AC Clamp Meters

MA430 400A AC Clamp Meter + NCV by Extech

Compact size allows measurements in tight locations and Built-in non-contact Voltage detector with LED alert. Three models to choose from with True RMS option and advanced multimeter functions.

Features

• Built-in non-contact Voltage detector with LED alert
• Backlit LCD display
• 1.2" (30mm) jaw size for conductors up to 350MCM
• True RMS models for MA430T/MA435T and multimeter functions included on all clamp meters
• CAT III - 600V rating
• Data Hold
• Low battery indication and Auto Power Off
• Complete with test leads, general purpose Type K bead wire temperature probe (for MA435T), 9V battery, and soft case

MA430T 400A True RMS AC Clamp Meter + NCV by Extech

Compact size allows measurements in tight locations and Built-in non-contact Voltage detector with LED alert. Three models to choose from with True RMS option and advanced multimeter functions.

Features

• Built-in non-contact Voltage detector with LED alert
• Backlit LCD display
• 1.2" (30mm) jaw size for conductors up to 350MCM
• True RMS models for MA430T/MA435T and multimeter functions included on all clamp meters
• CAT III - 600V rating
• Data Hold
• Low battery indication and Auto Power Off
• Complete with test leads, general purpose Type K bead wire temperature probe (for MA435T), 9V battery, and soft case

MA430T 400A True RMS AC Clamp Meter + NCV with NIST by Extech

Compact size allows measurements in tight locations and Built-in non-contact Voltage detector with LED alert. Three models to choose from with True RMS option and advanced multimeter functions.

Features

• Built-in non-contact Voltage detector with LED alert
• Backlit LCD display
• 1.2" (30mm) jaw size for conductors up to 350MCM
• True RMS models for MA430T/MA435T and multimeter functions included on all clamp meters
• CAT III - 600V rating
• Data Hold
• Low battery indication and Auto Power Off
• Complete with test leads, general purpose Type K bead wire temperature probe (for MA435T), 9V battery, and soft case

EX820 1000A True RMS AC Clamp Meter with IR Thermometer by Extech

Ideal for industrial applications the 800 series Full size 1000A clamps feature a built-in Infared thermometer and rugged double molded housing

Features

• Non-contact InfraRed Temperature measurements with laser pointer
• Models with True RMS Current and Voltage measurements
• Peak hold captures inrush currents and Transients
• MultiMeter functions include AC/DC Voltage, Resistance, Capacitance, Frequency, Type K Temperature (EX820/EX830), Diode, and Continuity
• 1.7" (43mm) jaw opening for conductors up to 750MCM or two 500MCM
• 4000 count backlit display
• Features include Data Hold and Min/Max
• Autoranging with manual range button
• Auto Power off
• Complete with test leads, 9V battery, general purpose Type K probe (EX820/EX830), and case
• AC Current
• True RMS
• Type K thermometer

EX820 1000A True RMS AC Clamp Meter with IR Thermometer with Limited NIST by Extech

Ideal for industrial applications the 800 series Full size 1000A clamps feature a built-in Infared thermometer and rugged double molded housing

Features

• Non-contact InfraRed Temperature measurements with laser pointer
• Models with True RMS Current and Voltage measurements
• Peak hold captures inrush currents and Transients
• MultiMeter functions include AC/DC Voltage, Resistance, Capacitance, Frequency, Type K Temperature (EX820/EX830), Diode, and Continuity
• 1.7" (43mm) jaw opening for conductors up to 750MCM or two 500MCM
• 4000 count backlit display
• Features include Data Hold and Min/Max
• Autoranging with manual range button
• Auto Power off
• Complete with test leads, 9V battery, general purpose Type K probe (EX820/EX830), and case
• AC Current
• True RMS
• Type K thermometer

EX810 1000A AC Clamp Meter with IR Thermometer by Extech

Ideal for industrial applications the 800 series Full size 1000A clamps feature a built-in Infared thermometer and rugged double molded housing

Features

• Non-contact InfraRed Temperature measurements with laser pointer
• Models with True RMS Current and Voltage measurements
• Peak hold captures inrush currents and Transients
• MultiMeter functions include AC/DC Voltage, Resistance, Capacitance, Frequency, Type K Temperature (EX820/EX830), Diode, and Continuity
• 1.7" (43mm) jaw opening for conductors up to 750MCM or two 500MCM
• 4000 count backlit display
• Features include Data Hold and Min/Max
• Autoranging with manual range button
• Auto Power off
• Complete with test leads, 9V battery, general purpose Type K probe (EX820/EX830), and case
• AC Current
• Average responding

EX810 1000A AC Clamp Meter with IR Thermometer with Limited NIST by Extech

Ideal for industrial applications the 800 series Full size 1000A clamps feature a built-in Infared thermometer and rugged double molded housing

Features

• Non-contact InfraRed Temperature measurements with laser pointer
• Models with True RMS Current and Voltage measurements
• Peak hold captures inrush currents and Transients
• MultiMeter functions include AC/DC Voltage, Resistance, Capacitance, Frequency, Type K Temperature (EX820/EX830), Diode, and Continuity
• 1.7" (43mm) jaw opening for conductors up to 750MCM or two 500MCM
• 4000 count backlit display
• Features include Data Hold and Min/Max
• Autoranging with manual range button
• Auto Power off
• Complete with test leads, 9V battery, general purpose Type K probe (EX820/EX830), and case
• AC Current
• Average responding

EX720 800A AC Clamp Meter by Extech

Features

• Models with AC/DC Current, AC/DC Voltage, Resistance, Frequency, Capacitance, Temperature, Diode, and Continuity
• True RMS Models (EX720, EX730)
• Peak function captures inrush currents and voltage transients
• Data Hold "freezes" data in display
• 1.2" (30mm) circular jaw opening for large cables (500MCM)
• Auto power off
• Complete with test leads, 9V battery, general purpose Type K bead wire probe and belt holster
• AC Current
• True RMS
• Type K Temperature °F/°C switchable

Includes

• Test leads
• 9V battery
• Belt holster
• General purpose Type K bead wire probe (EX720/EX730 only)

EX720 800A AC Clamp Meter with NIST by Extech

Features

• Models with AC/DC Current, AC/DC Voltage, Resistance, Frequency, Capacitance, Temperature, Diode, and Continuity
• True RMS Models (EX720, EX730)
• Peak function captures inrush currents and voltage transients
• Data Hold "freezes" data in display
• 1.2" (30mm) circular jaw opening for large cables (500MCM)
• Auto power off
• Complete with test leads, 9V battery, general purpose Type K bead wire probe and belt holster
• AC Current
• True RMS
• Type K Temperature °F/°C switchable

Includes

• Test leads
• 9V battery
• Belt holster
• General purpose Type K bead wire probe (EX720/EX730 only)

EX710 800A AC Clamp Meter by Extech

Features

• Models with AC/DC Current, AC/DC Voltage, Resistance, Frequency, Capacitance, Temperature, Diode, and Continuity
• True RMS Models (EX720, EX730)
• Peak function captures inrush currents and voltage transients
• Data Hold "freezes" data in display
• 1.2" (30mm) circular jaw opening for large cables (500MCM)
• Auto power off
• Complete with test leads, 9V battery, general purpose Type K bead wire probe and belt holster
• AC Current

Includes

• Test leads
• 9V battery
• Belt holster
• General purpose Type K bead wire probe (EX720/EX730 only)

EX710 800A AC Clamp Meter with NIST by Extech

Features

• Models with AC/DC Current, AC/DC Voltage, Resistance, Frequency, Capacitance, Temperature, Diode, and Continuity
• True RMS Models (EX720, EX730)
• Peak function captures inrush currents and voltage transients
• Data Hold "freezes" data in display
• 1.2" (30mm) circular jaw opening for large cables (500MCM)
• Auto power off
• Complete with test leads, 9V battery, general purpose Type K bead wire probe and belt holster
• AC Current

Includes

• Test leads
• 9V battery
• Belt holster
• General purpose Type K bead wire probe (EX720/EX730 only)

EX622 400A Dual Input AC Clamp Meter + NCV + IR Thermometer by Extech

Features

• True RMS measurements for accurate AC Voltage and Current measurements
• Dual type K thermocouple input with Differential Temperature function (T1, T2, T1-T2)
• Built-in non-contact Voltage detector with LED alert
• DC µA multimeter function for HVAC flame rod Current measurements
• Data Hold plus fast Peak Hold of current surges during motor startup
• 40,000 count multimeter functions for DC Voltage, Resistance, Capacitance, and Frequency for high resolution over wider ranges
• Measures motor capacitors to 40,000µF
• 1.25" (32mm) jaw opening for conductors up to 500MCM
• Rugged double molded housing
• Auto power off with audible alert and disable function
• Autoranging with manual override
• Complete with CAT III-600V, double molded test leads, 9V battery, two general purpose Type K bead wire probes and case
• Built-in non-contact IR Thermometer with laser pointer for locating hot spots
• 8 to 1 distance to target ratio

EX622 400A Dual Input AC Clamp Meter + NCV + IR Thermometer with Limited NIST by Extech

Features

• True RMS measurements for accurate AC Voltage and Current measurements
• Dual type K thermocouple input with Differential Temperature function (T1, T2, T1-T2)
• Built-in non-contact Voltage detector with LED alert
• DC µA multimeter function for HVAC flame rod Current measurements
• Data Hold plus fast Peak Hold of current surges during motor startup
• 40,000 count multimeter functions for DC Voltage, Resistance, Capacitance, and Frequency for high resolution over wider ranges
• Measures motor capacitors to 40,000µF
• 1.25" (32mm) jaw opening for conductors up to 500MCM
• Rugged double molded housing
• Auto power off with audible alert and disable function
• Autoranging with manual override
• Complete with CAT III-600V, double molded test leads, 9V battery, two general purpose Type K bead wire probes and case
• Built-in non-contact IR Thermometer with laser pointer for locating hot spots
• 8 to 1 distance to target ratio

MA620 600A True RMS AC Clamp Meter + NCV by Extech

Features

• True RMS for accurate readings of non-sinusoidal waveforms
• Built-in non-contact Voltage detector with LED alert
• 1.5" (40mm) jaw size for conductors up to 500MCM
• 6000 count, backlit LCD display
• Includes Multimeter functions
• Model MA640 measures DC Current
• Relative Mode for Capacitance Zero and Offset Adjustment
• Data Hold, MIN/MAX, and Auto Power Off
• Complete with test leads, general purpose Type K bead wire temperature probe, 9V battery and carrying case

MA620 600A True RMS AC Clamp Meter + NCV with NIST by Extech

Features

• True RMS for accurate readings of non-sinusoidal waveforms
• Built-in non-contact Voltage detector with LED alert
• 1.5" (40mm) jaw size for conductors up to 500MCM
• 6000 count, backlit LCD display
• Includes Multimeter functions
• Model MA640 measures DC Current
• Relative Mode for Capacitance Zero and Offset Adjustment
• Data Hold, MIN/MAX, and Auto Power Off
• Complete with test leads, general purpose Type K bead wire temperature probe, 9V battery and carrying case

MA410 400A AC Clamp Meter + NCV with NIST by Extech

Features

• Built-in non-contact Voltage detector with LED alert
• 4000 count, backlit LCD display
• 1.2" (30mm) jaw size for conductors up to 350MCM
• Includes Multimeter functions AC/DC Voltage, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode, and Continuity
• Relative Mode for Capacitance Zero and Offset Adjustment
• Data Hold
• Auto Power Off
• Complete with test leads, general purpose Type K bead wire temperature probe, two AAA batteries, and carrying case

AM300 300A AC Analog Clamp Meter by Extech

Features

• Single function/range switch for easy one-handed operation
• Jaw opens to 1.5" (38mm)
• AC/DC Voltage and Resistance measurement
• Pointer Lock function freezes the reading
• Zero adjust
• Complete with test leads, 1.5V battery, and carrying case

Applications

• Utility Company maintenance and installation
• Plant Maintenance
• Electrical installation and repair
• Automotive repair and testing
• Appliance insulation testing
• HVAC troubleshooting

AM300 300A AC Analog Clamp Meter with NIST by Extech

Features

• Single function/range switch for easy one-handed operation
• Jaw opens to 1.5" (38mm)
• AC/DC Voltage and Resistance measurement
• Pointer Lock function freezes the reading
• Zero adjust
• Complete with test leads, 1.5V battery, and carrying case

Applications

• Utility Company maintenance and installation
• Plant Maintenance
• Electrical installation and repair
• Automotive repair and testing
• Appliance insulation testing
• HVAC troubleshooting

MA250 200A AC Clamp Meter + NCV by Extech

Features

• Built-in non-contact Voltage detector with LED alert
• 1.2" (30mm) jaw size for conductors up to 500MCM
• 4000 count LCD display
• Multimeter functions include AC/DC Voltage, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode, and Continuity
• Relative Mode for Capacitance Zero and Offset Adjustment
• Data Hold freezes reading on display
• Auto Power Off
• Complete with test leads, general purpose Type K bead wire temperature probe, two AAA batteries, and carrying case

MA250 200A AC Clamp Meter + NCV with NIST by Extech

Features

• Built-in non-contact Voltage detector with LED alert
• 1.2" (30mm) jaw size for conductors up to 500MCM
• 4000 count LCD display
• Multimeter functions include AC/DC Voltage, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode, and Continuity
• Relative Mode for Capacitance Zero and Offset Adjustment
• Data Hold freezes reading on display
• Auto Power Off
• Complete with test leads, general purpose Type K bead wire temperature probe, two AAA batteries, and carrying case

MA200 400A AC Clamp Meter by Extech

Features

• Compact size allows measurements in tight locations
• High accuracy for Current measurements
• Autoranging with Auto Power Off
• 0.9" (23mm) jaw size accommodates conductors up to 300MCM
• Continuity beeper and Diode test
• Data Hold freezes current reading on display
• Overload protection for all ranges
• Overrange and low battery indicators
• Complete with test leads, case, and two AAA batteries
• 400A AC Current
• 2000 count LCD display
• Max Hold

MA200 400A AC Clamp Meter with NIST by Extech

Features

• Compact size allows measurements in tight locations
• High accuracy for Current measurements
• Autoranging with Auto Power Off
• 0.9" (23mm) jaw size accommodates conductors up to 300MCM
• Continuity beeper and Diode test
• Data Hold freezes current reading on display
• Overload protection for all ranges
• Overrange and low battery indicators
• Complete with test leads, case, and two AAA batteries
• 400A AC Current
• 2000 count LCD display
• Max Hold

MA150 200A Mini AC Clamp Meter + NCV Detector by Extech

Features

• Measures DC Current, AC/DC Voltage, and Resistance
• Diode and Continuity test
• Max hold function
• 0.7" (18mm) jaw opening; 300MCM cable size
• Built-in AC non-contact Voltage (NCV) detector (120/240VAC, 50/60Hz)
• LCD backlit display
• Built-in white LED flashlight
• Auto Power Off
• Complete with two AAA batteries and soft case

MA150 200A Mini AC Clamp Meter + NCV Detector with NIST by Extech

Features

• Measures DC Current, AC/DC Voltage, and Resistance
• Diode and Continuity test
• Max hold function
• 0.7" (18mm) jaw opening; 300MCM cable size
• Built-in AC non-contact Voltage (NCV) detector (120/240VAC, 50/60Hz)
• LCD backlit display
• Built-in white LED flashlight
• Auto Power Off
• Complete with two AAA batteries and soft case

380976-K Single Phase/Three Phase 1000A AC Power Clamp Meter Kit by Extech

Features

• Large dual LCD display (9999 count)
• Measures 1Φ/3Φ True Power (kW), Apparent Power (kVA), and Reactive Power (kVAR), plus Horsepower (HP), Power Factor, and Phase Angle with Lead/Lag indicator
• AC+DC μA current with 10nA resolution for flame rod tests
• Max/Min recording with elapsed time indication
• Auto Detect AC/DC Voltage measurements with simultaneous frequency display
• Capacitance to 7000μF with 0.001μF resolution
• High Resistance tests to 100MΩ
• Type K, °C/°F switchable, temperature to 1000°F
• Diode and Continuity tests
• Auto power off with disable feature
• 1.6" (40mm) clamp jaw opening
• Test Lead Kit includes: two CAT IV-600V 72" (1.8m) lead extensions with right angle and straight end shrouded banana plugs; two modular test probe handles with stainless steel tips; two plunger activated retractable jaw clips; two extra large alligator clips
• Complete with test lead kit, general purpose Type K thermocouple probe, carrying case, and 9V battery

Applications

• AC Power evaluation
• Motor/Generator installation and repair
• HVAC flame rod tests
• Capture max/min temperature or current values
• Category III rating for industrial measurements

380976-K Single Phase/Three Phase 1000A AC Power Clamp Meter Kit with NIST by Extech

Features

• Large dual LCD display (9999 count)
• Measures 1Φ/3Φ True Power (kW), Apparent Power (kVA), and Reactive Power (kVAR), plus Horsepower (HP), Power Factor, and Phase Angle with Lead/Lag indicator
• AC+DC μA current with 10nA resolution for flame rod tests
• Max/Min recording with elapsed time indication
• Auto Detect AC/DC Voltage measurements with simultaneous frequency display
• Capacitance to 7000μF with 0.001μF resolution
• High Resistance tests to 100MΩ
• Type K, °C/°F switchable, temperature to 1000°F
• Diode and Continuity tests
• Auto power off with disable feature
• 1.6" (40mm) clamp jaw opening
• Test Lead Kit includes: two CAT IV-600V 72" (1.8m) lead extensions with right angle and straight end shrouded banana plugs; two modular test probe handles with stainless steel tips; two plunger activated retractable jaw clips; two extra large alligator clips
• Complete with test lead kit, general purpose Type K thermocouple probe, carrying case, and 9V battery

Applications

• AC Power evaluation
• Motor/Generator installation and repair
• HVAC flame rod tests
• Capture max/min temperature or current values
• Category III rating for industrial measurements

382400 Flexible True RMS 3000A AC Current Clamp by Extech

Features

• AC Voltage to 600V
• Fast Peak capture (30μs)
• Selectable frequency (50/60Hz)
• Max/Min feature
• Simultaneously displays Frequency with Current or Voltage
• Large 4000 count LCD dual display
• Auto power off with disable feature
• Complete with 24" (61cm) flexible current probe, carrying case, and 2 AA batteries

382400 Flexible True RMS 3000A AC Current Clamp with NIST by Extech

Features

• AC Voltage to 600V
• Fast Peak capture (30μs)
• Selectable frequency (50/60Hz)
• Max/Min feature
• Simultaneously displays Frequency with Current or Voltage
• Large 4000 count LCD dual display
• Auto power off with disable feature
• Complete with 24" (61cm) flexible current probe, carrying case, and 2 AA batteries

38387 600A AC Clamp + MultiMeter by Extech

Features

• Maximum AC current of 600A
• Measure AC Current, AC/DC Voltage and Resistance
• Data Hold "freezes" data in display
• 1.25" (33mm) circular jaw opening for large cables (350MCM)
• Audible Continuity beeper
• Auto power off
• Complete with test leads, 9V battery, and belt holster
• AC current to 600A
• Large 2000 count LCD display

38387 600A AC Clamp + MultiMeter with NIST by Extech

Features

• Maximum AC current of 600A
• Measure AC Current, AC/DC Voltage and Resistance
• Data Hold "freezes" data in display
• 1.25" (33mm) circular jaw opening for large cables (350MCM)
• Audible Continuity beeper
• Auto power off
• Complete with test leads, 9V battery, and belt holster
• AC current to 600A
• Large 2000 count LCD display

MA410T 400A AC True RMS Clamp Meter + NCV by Extech

Features

• Built-in non-contact Voltage detector with LED alert
• 4000 count, backlit LCD display
• True RMS for accurate readings of non-sinusoidal waveforms
• 1.2" (30mm) jaw size for conductors up to 350MCM
• Includes Multimeter functions AC/DC Voltage, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode, and Continuity
• Relative Mode for Capacitance Zero and Offset Adjustment
• Data Hold
• Auto Power Off
• Complete with test leads, general purpose Type K bead wire temperature probe, two AAA batteries, and carrying case

EX650 600A True RMS AC Clamp Meter with NCV by Extech

Choice of AC Current (EX650) or fully loaded advanced AC/DC Current (EX655) model. Both meters feature True RMS providing accurate readings when measuring distorted or noisy waveforms and Low Impedance (LoZ) mode to eliminate false readings caused by ghost voltages. EX655 also features Low pass filter (LPF) which attenuates high frequencies to reduce noise for accurate readings and Inrush mode to capture current surges during motor startup.

Features

• True RMS for accurate AC measurements
• 1.18" (30mm) jaw size accommodates conductors up to 350MCM
• LoZ prevents false readings caused by ghost voltages
• μA function for HVAC flame rod Current measurements
• Built-in Non-contact AC Voltage Detector (NCV) with LED indicator
• 6000 count backlit LCD display
• Data Hold freezes the reading on the display
• Min/Max captures highest and lowest readings
• Relative function
• Convenient LED worklight for viewing in dimly lit area
• Auto Power Off conserves battery life
• 9 Functions including AC Current
• Complete with test leads and 3 AAA batteries

EX650 600A True RMS AC Clamp Meter with NCV, NIST by Extech

Choice of AC Current (EX650) or fully loaded advanced AC/DC Current (EX655) model. Both meters feature True RMS providing accurate readings when measuring distorted or noisy waveforms and Low Impedance (LoZ) mode to eliminate false readings caused by ghost voltages. EX655 also features Low pass filter (LPF) which attenuates high frequencies to reduce noise for accurate readings and Inrush mode to capture current surges during motor startup.

Features

• True RMS for accurate AC measurements
• 1.18" (30mm) jaw size accommodates conductors up to 350MCM
• LoZ prevents false readings caused by ghost voltages
• μA function for HVAC flame rod Current measurements
• Built-in Non-contact AC Voltage Detector (NCV) with LED indicator
• 6000 count backlit LCD display
• Data Hold freezes the reading on the display
• Min/Max captures highest and lowest readings
• Relative function
• Convenient LED worklight for viewing in dimly lit area
• Auto Power Off conserves battery life
• 9 Functions including AC Current
• Complete with test leads and 3 AAA batteries

MA61 60A True RMS AC Clamp Meter with NCV by Extech

Choice of AC Current or AC/DC Current model, both with high ±2% accuracy. Manual ranging clamp meters with three Current ranges. The 6000mA range allows for low current measurements that may be used in the automotive industry. Unique VFC (variable frequency control) mode helps troubleshoot and diagnose HVAC applications that are variable frequency driven.

Features

• True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
• AC Current and Relative function
• Compact 0.7" (17mm) jaw size allows measurements in tight locations
• Variable Frequency Control (VFC): Low pass filter for accurate measurement of variable frequency drive signals
• Built-in Non-Contact Voltage (NCV) detector
• Full range overload protection
• 6000 count backlit LCD display
• Data Hold freezes reading on display
• Low battery indicator and Auto Power Off feature
• CAT II-600V and CAT III-300V safety rating
• Complete with test leads, carrying case, and two AAA batteries

MA61 60A True RMS AC Clamp Meter with NIST by Extech

Choice of AC Current or AC/DC Current model, both with high ±2% accuracy. Manual ranging clamp meters with three Current ranges. The 6000mA range allows for low current measurements that may be used in the automotive industry. Unique VFC (variable frequency control) mode helps troubleshoot and diagnose HVAC applications that are variable frequency driven.

Features

• True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
• AC Current and Relative function
• Compact 0.7" (17mm) jaw size allows measurements in tight locations
• Variable Frequency Control (VFC): Low pass filter for accurate measurement of variable frequency drive signals
• Built-in Non-Contact Voltage (NCV) detector
• Full range overload protection
• 6000 count backlit LCD display
• Data Hold freezes reading on display
• Low battery indicator and Auto Power Off feature
• CAT II-600V and CAT III-300V safety rating
• Complete with test leads, carrying case, and two AAA batteries

MA140 True RMS 300A AC Mini Clamp Mete with NCV by Extech

Choice of AC Current or AC/DC Current model with 0.8" (22mm) jaw size and high accuracy. Smart Auto Sense feature enables the MA145 to recognize the input (within a given function) and automatically switch to the correct mode of operation (i.e. AC to DC Current measurement). Built-in Non-Contact Voltage (NCV) Detector allows for quick detection of live voltage.

Features

• True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
• AC Current
• Compact 0.8" (22mm) jaw size accommodates conductors up to 300MCM and allows measurements in tight locations
• Unique Smart Auto Sense feature
• Low Pass Filter (LPF) for accurate measurement of variable frequency drive signals
• Built-in Non-Contact Voltage (NCV) detector
• Inrush current measurement
• 6000 count backlit LCD display
• Smart Data Hold: Audiovisual alert when a new reading exceeds 50 digits of a held reading
• Low battery indicator and Auto Power Off feature
• CAT III-600V safety rating
• Complete with carrying case and two LR44 batteries

MA140 True RMS 300A AC Mini Clamp Mete with NIST by Extech

Choice of AC Current or AC/DC Current model with 0.8" (22mm) jaw size and high accuracy. Smart Auto Sense feature enables the MA145 to recognize the input (within a given function) and automatically switch to the correct mode of operation (i.e. AC to DC Current measurement). Built-in Non-Contact Voltage (NCV) Detector allows for quick detection of live voltage.

Features

• True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
• AC Current
• Compact 0.8" (22mm) jaw size accommodates conductors up to 300MCM and allows measurements in tight locations
• Unique Smart Auto Sense feature
• Low Pass Filter (LPF) for accurate measurement of variable frequency drive signals
• Built-in Non-Contact Voltage (NCV) detector
• Inrush current measurement
• 6000 count backlit LCD display
• Smart Data Hold: Audiovisual alert when a new reading exceeds 50 digits of a held reading
• Low battery indicator and Auto Power Off feature
• CAT III-600V safety rating
• Complete with carrying case and two LR44 batteries

MA260 True RMS 200A AC Open Jaw Clamp Meter with NCV by Extech

Easy-to-use, one button, Auto Sense technology allows meter to recognize the input being measured and will automatically switch to the correct mode of operation. Its convenient Open Jaw design provides quick measurements in tight locations. True RMS provides accurate readings.

Features

• Smart Auto Sensing technology enables the meter to recognize the input and automatically switch to the correct mode of operation
• For AC Voltage, Auto Sense feature evaluates input signal and adjusts Input Impedance to eliminate effects of ghost voltages
• 0.6" (16mm) open jaw size
• True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
• Built-in non-contact voltage detector with LED indicator
• 10,000 count backlit LCD display
• Smart Data Hold freezes the reading on the display and automatically changes if a new reading is larger than 50 counts
• Auto Power Off with disable
• Battery capacity (%) displayed on power-up
• Slim housing construction with built-in test lead holders
• Complete with test leads and two AAA batteries

MA440 400A AC Clamp Meter with NCV by Extech

Three models to choose from, with or without True RMS and AC or AC/DC Current functions. Choose True RMS model for accurate readings of non-sinusoidal waveforms, model with DC Current function for automotive applications, or model with Type K function when applications require Temperature measurements. The MA440 Series meters are fully loaded with multimeter functions and built-in non-contact voltage (NCV) detector to meet your application needs!

Features

• 1.2" (30mm) jaw size fit conductors up to 500MCM
• Built-in Non-Contact Voltage (NCV) detector
• MultiMeter functions include Resistance, Capacitance and Frequency
• Relative Mode for Capacitance
• Data Hold freezes reading on display
• Auto Power Off with disable and Low Battery indication
• Large backlit LCD display
• Complete with test leads, three AAA batteries, and pouch; MA443 and MA445 also includes a general purpose Type K Temperature probe
• AC Current

MA440 400A AC Clamp Meter with NIST by Extech

Three models to choose from, with or without True RMS and AC or AC/DC Current functions. Choose True RMS model for accurate readings of non-sinusoidal waveforms, model with DC Current function for automotive applications, or model with Type K function when applications require Temperature measurements. The MA440 Series meters are fully loaded with multimeter functions and built-in non-contact voltage (NCV) detector to meet your application needs!

Features

• 1.2" (30mm) jaw size fit conductors up to 500MCM
• Built-in Non-Contact Voltage (NCV) detector
• MultiMeter functions include Resistance, Capacitance and Frequency
• Relative Mode for Capacitance
• Data Hold freezes reading on display
• Auto Power Off with disable and Low Battery indication
• Large backlit LCD display
• Complete with test leads, three AAA batteries, and pouch; MA443 and MA445 also includes a general purpose Type K Temperature probe
• AC Current

MA443 400A True RMS AC Clamp Meter with NCV by Extech

Three models to choose from, with or without True RMS and AC or AC/DC Current functions. Choose True RMS model for accurate readings of non-sinusoidal waveforms, model with DC Current function for automotive applications, or model with Type K function when applications require Temperature measurements. The MA440 Series meters are fully loaded with multimeter functions and built-in non-contact voltage (NCV) detector to meet your application needs!

Features

• 1.2" (30mm) jaw size fit conductors up to 500MCM
• Built-in Non-Contact Voltage (NCV) detector
• MultiMeter functions include Resistance, Capacitance and Frequency
• Relative Mode for Capacitance
• Data Hold freezes reading on display
• Auto Power Off with disable and Low Battery indication
• Large backlit LCD display
• Complete with test leads, three AAA batteries, and pouch; MA443 and MA445 also includes a general purpose Type K Temperature probe
• True RMS
• AC Current
• Type K Temperature
• Built-in bright flashlight
• Max/Min

MA443 400A True RMS AC Clamp Meter with NIST by Extech

Three models to choose from, with or without True RMS and AC or AC/DC Current functions. Choose True RMS model for accurate readings of non-sinusoidal waveforms, model with DC Current function for automotive applications, or model with Type K function when applications require Temperature measurements. The MA440 Series meters are fully loaded with multimeter functions and built-in non-contact voltage (NCV) detector to meet your application needs!

Features

• 1.2" (30mm) jaw size fit conductors up to 500MCM
• Built-in Non-Contact Voltage (NCV) detector
• MultiMeter functions include Resistance, Capacitance and Frequency
• Relative Mode for Capacitance
• Data Hold freezes reading on display
• Auto Power Off with disable and Low Battery indication
• Large backlit LCD display
• Complete with test leads, three AAA batteries, and pouch; MA443 and MA445 also includes a general purpose Type K Temperature probe
• True RMS
• AC Current
• Type K Temperature
• Built-in bright flashlight
• Max/Min

MA610 600A AC Clamp Meter by Extech

The MA610 is a fully loaded clamp meter with multimeter functions including AC Current, AC/DC Voltage, Resistance, Frequency, and Capacitance. It also has a built-in non-contact voltage (NCV)detector to quickly check circuits and wires for live voltages.

Features

• 1.2" (30mm) jaw size fits conductors up to 500MCM
• Built-in Non-Contact Voltage (NCV) detector
• MultiMeter functions include Resistance, Capacitance and Frequency
• Relative Mode for Capacitance
• Data Hold freezes reading on display
• Auto Power Off with disable and Low Battery indication
• Large backlit LCD display
• Complete with test leads, three AAA batteries, and pouch

MA3010 10 In 3000A True RMS AC Flex Clamp Meter CAT IV by Extech

Flexible clamp jaw easily wraps around bus bars and cable bundles that may be difficult to access with regular clamp meters. The thin 7.5mm cable diameter easily fits into tight spaces. Choose between a 10" (25.4cm) or 18" (45.7cm) cable clamp length to accommodate your application needs.

Features

• True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
• Model MA3010 - 10" (25.4cm) flexible clamp cable Model MA3018 - 18" (45.7cm) flexible clamp cable
• 7.5mm cable diameter fits into tight spaces and around large conductors
• Measures True RMS AC Current in three ranges
• 3000 count backlit LCD display
• Over range and Low battery indicator
• Auto power off with disable
• CAT III-1000V, CAT IV-600V category safety rating
• Complete with two AAA batteries

MA3010 10 In 3000A True RMS AC Flex Clamp Meter CAT IV with NIST by Extech

Flexible clamp jaw easily wraps around bus bars and cable bundles that may be difficult to access with regular clamp meters. The thin 7.5mm cable diameter easily fits into tight spaces. Choose between a 10" (25.4cm) or 18" (45.7cm) cable clamp length to accommodate your application needs.

Features

• True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
• Model MA3010 - 10" (25.4cm) flexible clamp cable Model MA3018 - 18" (45.7cm) flexible clamp cable
• 7.5mm cable diameter fits into tight spaces and around large conductors
• Measures True RMS AC Current in three ranges
• 3000 count backlit LCD display
• Over range and Low battery indicator
• Auto power off with disable
• CAT III-1000V, CAT IV-600V category safety rating
• Complete with two AAA batteries

MA3018 18 In 3000A True RMS AC Flex Clamp Meter CAT IV by Extech

Flexible clamp jaw easily wraps around bus bars and cable bundles that may be difficult to access with regular clamp meters. The thin 7.5mm cable diameter easily fits into tight spaces. Choose between a 10" (25.4cm) or 18" (45.7cm) cable clamp length to accommodate your application needs.

Features

• True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
• Model MA3010 - 10" (25.4cm) flexible clamp cable Model MA3018 - 18" (45.7cm) flexible clamp cable
• 7.5mm cable diameter fits into tight spaces and around large conductors
• Measures True RMS AC Current in three ranges
• 3000 count backlit LCD display
• Over range and Low battery indicator
• Auto power off with disable
• CAT III-1000V, CAT IV-600V category safety rating
• Complete with two AAA batteries

MA3018 18 In 3000A True RMS AC Flex Clamp Meter CAT IV with NIST by Extech

Flexible clamp jaw easily wraps around bus bars and cable bundles that may be difficult to access with regular clamp meters. The thin 7.5mm cable diameter easily fits into tight spaces. Choose between a 10" (25.4cm) or 18" (45.7cm) cable clamp length to accommodate your application needs.

Features

• True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
• Model MA3010 - 10" (25.4cm) flexible clamp cable Model MA3018 - 18" (45.7cm) flexible clamp cable
• 7.5mm cable diameter fits into tight spaces and around large conductors
• Measures True RMS AC Current in three ranges
• 3000 count backlit LCD display
• Over range and Low battery indicator
• Auto power off with disable
• CAT III-1000V, CAT IV-600V category safety rating
• Complete with two AAA batteries

MA3110 3000A True RMS AC Flex Clamp Meter CAT IV by Extech

Flexible 11" (28cm) clamp jaw easily wraps around bus bars and cable bundles that may be difficult to access with regular clamp meters. The thin 8mm cable diameter easily fits into tight spaces. Includes test leads for multimeter functions measuring Voltage, Resistance, and Capacitance. True RMS and CAT IV rated allows for maximum accuracy and safety for your measurements.

Features

• True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
• Autoranging AC Current
• 8mm cable diameter fits into tight spaces and around large conductors
• 6000 count LCD display
• Data Hold freezes reading on display
• Over range and Low battery indicator
• Auto power off with disable
• CAT III-1000V, CAT IV-600V category safety rating
• Complete with test leads and two AAA batteries

MA3110 3000A True RMS AC Flex Clamp Meter CAT IV With NIST by Extech

Flexible 11" (28cm) clamp jaw easily wraps around bus bars and cable bundles that may be difficult to access with regular clamp meters. The thin 8mm cable diameter easily fits into tight spaces. Includes test leads for multimeter functions measuring Voltage, Resistance, and Capacitance. True RMS and CAT IV rated allows for maximum accuracy and safety for your measurements.

Features

• True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
• Autoranging AC Current
• 8mm cable diameter fits into tight spaces and around large conductors
• 6000 count LCD display
• Data Hold freezes reading on display
• Over range and Low battery indicator
• Auto power off with disable
• CAT III-1000V, CAT IV-600V category safety rating
• Complete with test leads and two AAA batteries