Extech EX840 1000A AC/DC True RMS Clamp/DMM + IR Thermometer

Item #:

EXT-EX840

Brand:

Extech

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Description

EX840 1000A AC/DC True RMS Clamp/DMM + IR Thermometer by Extech

Ideal for industrial applications, this full-size True RMS 1000A AC/DC Clamp features a built-in Infared Thermometer and rugged double molded housing.

Features

Built-in non-contact IR Thermometer with laser pointer
True RMS Current and Voltage measurements
Peak hold captures inrush currents and Transients
MultiMeter functions include AC/DC Voltage, Resistance, Capacitance, Frequency, 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 and Auto Power off
Autoranging with manual range button
Complete with CAT IV test leads, 9V battery, general purpose Type K probe, pouch case, and Professional Test Lead Set

Professional Test Lead Features

8-Piece Professional Test Lead set
Two 42" (1m) PVC lead extensions with shrouded banana plugs at both ends
Two modular 4" (102mm) Heavy Duty test probe handles with 0.16" (4mm) banana plug tip
Two standard size, alligator clips with insulated rubber boot
Two extra large, double-insulated, alligator clips with sharp teeth for piercing insulated wire. Jaws open to 0.8" (20mm)

Includes

Pouch case to store the meter
Temperature probe
Test leads

Specifications

General Specifications

Clamp jaw opening	43mm (1.7") approx.
Display	3-3/4 digits (4000 counts) backlit LCD
Continuity check	Threshold 40Ω; Test current < 0.5mA
Diode test	Test current of 0.3mA typical; Open circuit voltage < 3VDC typical
Low Battery indication	Battery symbol is displayed
Over-range indication	'OL' displayed
Measurement rate	2 readings per second, nominal
PEAK	Captures peaks >1ms
Thermocouple sensor	Type K thermocouple required
IR Spectral response	6 to 16µm
IR Emissivity	0.95 fixed
IR distance ratio	8:1
Input Impedance	10MΩ (VDC and VAC)
AC bandwidth	50 to 400Hz (AAC and VAC)
AC response	True rms (AAC and VAC)
Crest Factor	3.0 in 40A and 400A ranges, 1.4 in 1000A range (50/60Hz and 5% to 100% of range)
Operating Temperature	5°C to 40°C (41°F to 104°F)
Storage Temperature	-20°C to 60°C (-4°F to 140°F)
Operating Humidity	Max 80% up to 31°C (87°F) decreasing linearly to 50% at 40°C (104°F)
Storage Humidity	<80%
Operating Altitude	2000meters (7000ft) maximum.
Battery	One (1) 9V Battery (NEDA 1604)
Auto power OFF	After approx. 25 minutes
Dimensions & Weight	270x110x50mm (10.6x4.3x2"); 386g (13.6 oz)
Safety	For indoor use and in accordance with the requirements for double insulation to IEC1010-1 (2001): EN61010-1 (2001) Overvoltage Category IV 600V and Category III 1000V, Pollution Degree 2.
Patent notice	U.S. Patent 7163336

Range Specifications

Function	Range & Resolution	Accuracy (% of reading + digits)
AC Current 50/60 Hz	400.0 AAC	± (2.5% + 8d)
AC Current 50/60 Hz	1000 AAC	± (2.8% + 5d)
DC Current	400.0 ADC	± (2.5% + 5d)
DC Current	1000 ADC	± (2.8% + 5d)
AC Voltage 50/60Hz	400.0 mVAC	± (1.0% + 10d)
	4.000 VAC	± (1.5% + 5d)
	40.00 VAC
	400.0 VAC
	1000 VAC	± (2.0% + 5d)
DC Voltage	400.0 mVDC	± (0.8% + 2d)
	4.000 VDC	± (1.5% + 2d)
	40.00 VDC
	400.0 VDC
	1000 VDC	± (2.0% + 2d)
Resistance	400.0Ω	± (1.0% + 4d)
	4.000kΩ	± (1.5% + 2d)
	40.000kΩ
	400.0kΩ
	4.000MΩ	± (2.5% + 3d)
	40.00MΩ	± (3.5% + 5d)
Capacitance	4.000nF	± (5.0% + 30d)
	40.00nF	± (5.0% + 20d)
	400.0nF	± (3.0% + 5d)
	4.000µF
	40.00µF
	400.0µF	± (4.0% + 10d)
	4.000mF	± (10% + 10d)
	40.00mF	unspecified
Frequency	4.000kHz	± (1.5% + 2d)
Frequency	Sensitivity: 100V (<50Hz); 50V (50 to 400Hz); 5V (401Hz to 4000Hz)
Temperature (type-K)	-4 to 1400°F	± (3%rdg + 9°F)
Temperature (type-K)	-20 to 760°C	± (3%rdg + 5°C)
Temp (IR)	-58 to -4°F	± 9°F
	-4 to 518°F	±2.0% reading or ± 4°F whichever is >
	-50 to -20°C	±5°C
	-20 to 270°C	±2.0% reading or ±2°C whichever is >