Conductivity/TDS Indicators

HI993301-01 Gro'Chek EC/TDS/Temperature Monitor low range EC and TDS measurement, 115V by Hanna Instruments

Waterproof and chemically resistant, HI 993301 has been designed to meet the grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. At startup, HI 993301-01 performs a self-check to ensure proper working condition.

This monitor from HANNA has a backlit LCD and displays instantaneous readings of both EC or TDS and temperature—even from a distance.

This instrument features a stability indicator that prompts the user when to take the reading. For manual recording purposes, readings can be frozen on the LCD display by pressing the HOLD button.

Calibration and temperature compensation are automatic, while the EC/TDS conversion factor and temperature coefficient factor (?) are user adjustable for application specific measurements.

• Waterproof
• Measure in °C or °F
• HOLD function
• Adjustable TDS ratio
• Adjustable ?
• Stability indicator
• Backlit display
• 12 VDC power supply

Order Information:

HI 993301-01 (115V) and HI 993301-02 (230V) is supplied with HI 7630 conductivity probe, HI 70031 1413 µS/cm calibration solution sachet, 12 VDC adapter and Instructions.

HI993302-01 Gro'Chek EC/TDS/Temperature Monitor high range EC and TDS measurement, 115V by Hanna Instruments

Waterproof and chemically resistant, HI 993302-01 has been designed to meet the grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. At startup, HI 993302-01 performs a self-check to ensure proper working condition.

This monitor from HANNA has a backlit LCD and displays instantaneous readings of both EC or TDS and temperature—even from a distance.

This instrument features a stability indicator that prompts the user when to take the reading. For manual recording purposes, readings can be frozen on the LCD display by pressing the HOLD button.

Calibration and temperature compensation are automatic, while the EC/TDS conversion factor and temperature coefficient factor (?) are user adjustable for application specific measurements.

• Waterproof
• Measure in °C or °F
• HOLD function
• Adjustable TDS ratio
• Adjustable ?
• Stability indicator
• Backlit display
• 12 VDC power supply

Order Information:

HI 993302-01 (115V) and HI 993302-02 (230V) is supplied with HI 7630 conductivity probe, HI 70030 12.88 mS/cm calibration solution sachet, 12 VDC adapter and Instructions.

HI981404N-01 pH & TDS Continuous Indicator with LCD, pH/TDS probes, 12VDC US Plug, buffers by Hanna Instruments

HI 981404N-01 is ideal for agricultural, horticultural and hydroponics applications where pH and TDS levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCD's.

The HI 1286 gel filled pH electrode is replaceable and the BNC connector is protected behind a waterproof sleeve. The unique design of the electrode guarantees greater clogging resistance in fertilizer solutions with high concentrations of phosphate, nitrate, etc. TDS measurements are performed using the 4-4-2 conversion factor of 0.7 so you do not need to convert the readings.

This model is equipped with a grounding bar to ensure highly accurate pH readings and longer electrode life.

The HI 981404N-01 is compact and easy to install and use making it ideal for all continuous monitoring applications.

• Two parameters with a single instrument
• Advanced electrode technology
• Simple operation and maintenance
• Supplied complete and ready to use

Order Information:

HI 981404N-01 (115V) and HI 981404N-02 (230V) are supplied complete with HI 1286 pH electrode, HI 7634 TDS probe, HI 1283 grounding bar, calibration solutions, screwdriver for calibration, 12 VDC adapter and instructions.

HI981405N-01 pH & EC Continuous Indicator with LCD Probes, 12VDC US style Plug, buffers by Hanna Instruments

HI 981405N-01 is ideal for agricultural, horticultural and hydroponics applications where pH and EC levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCD's.

The HI 1286 gel filled pH electrode is replaceable and the BNC connector is protected behind a waterproof sleeve. The unique design of the electrode guarantees greater clogging resistance in fertilizer solutions with high concentrations of phosphate, nitrate, etc.

This model is equipped with a grounding bar to ensure highly accurate pH readings and longer electrode life.

The HI 981405N-01 is compact and easy to install and use making it ideal for all continuous monitoring applications.

• Two parameters with a single instrument
• Advanced electrode technology
• Simple operation and maintenance
• Supplied complete and ready to use

Order Information:

HI 981405N-01 (115V) and HI 981405N-02 (230V) are supplied complete with HI 1286 pH electrode, HI 7632 EC probe, HI 1283 grounding bar, calibration solutions, screwdriver for calibration, 12 VDC adapter and instructions.

HI983301N-01 Gro'Chek TDS Meter with 0.7 TDS Conversion Factor, 115V by Hanna Instruments

This meter has been engineered with a host of features suited for the aggressive environments commonly found in agricultural applications. Housings and cable connections have been sealed against vapor and humidity.

This TDS meter comes with a probe specifically made for horticulture and hydroponics applications. The probe compensates for temperature variations automatically, is easy to clean, is very stable and needs little maintenance.

The 12 VDC power supply included with the meter eliminates low battery failures.

• Water resistant
• Low maintenance probes
• Hang right above the samples
• Probes designed for horticulture and hydroponics applications

Order Information:

HI 983301N-01 (115V) and HI 983301N-02 (230V) is supplied with HI 7634 probe, 12 VDC adapter, 1500 ppm calibration solution (20 mL), calibration screwdriver and instructions.

HI983302N-01 Gro'Chek EC Meter with 0.01 mS/cm resolution, 115V by Hanna Instruments

This meter has been engineered with a host of features suited for the aggressive environments commonly found in agricultural applications. Housings and cable connections have been sealed against vapor and humidity.

This EC meter comes with a probe specifically made for horticulture and hydroponics applications. The probe compensates for temperature variations automatically, is easy to clean, is very stable and needs little maintenance.

The 12 VDC power supply included with the meter eliminates low battery failures.

• Water resistant
• Low maintenance probes
• Hang right above the samples
• Probes designed for horticulture and hydroponics applications

Order Information:

HI 983302N-01 (115V) and HI 983302N-02 (230V) is supplied with HI 7632 probe, 12 VDC adapter, 1413 mS/cm calibration solution (20 mL), calibration screwdriver and instructions.

HI983304-01 Pronto EC Meter, Range 0.00 to 19.99 µS/cm, 115V by Hanna Instruments

HI 983304-01 is specifically designed for use in demineralized and deionized water.

When placed at the output of any demineralization system, the visual alarm will be activated once the demineralizing equipment is exhausted. This exclusive feature will ensure maximum system efficiency with minimum investment.

This meter is supplied with an HI 7631/2 direct 2-pin probe with 2 m (6.6') cable and a ½" thread for flow-thru mounting. This probe is also equipped with a temperature sensor to automatically compensate measurements against temperature changes from 5 to 50°C (41 to 122°F).

When operating in the measurement mode, HI 983304-01’s red LED will alert the user as soon as the reading is 1 µS/cm over the setpoint.

• Specifically designed for demineralization and deionization applications
• Water resistant enclosure
• External 12 VDC power supply for continuous monitoring
• Selectable setpoint and LED alarm
• Automatic Temperature Compensation
• Molded hook for easy installation

Order Information:

HI 983304-01 (115V) and HI 983304-02 (230V) are supplied with HI 7631/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI983305-01 Conductivity Meter for Demineralized Water with manual calibration, 115V by Hanna Instruments

HI 983305-01 is specifically designed for use in demineralized and deionized water.

When placed at the output of any demineralization system, the visual alarm will be activated once the demineralizing equipment is exhausted. This exclusive feature will ensure maximum system efficiency with minimum investment.

This meter measures 0 to 19.99?µS/cm and comes with an alarm relay.

HI 983305-01 is supplied with an HI 7631/2 direct 2-pin probe with 2 m (6.6') cable and a ½" thread for flow-thru mounting. This probe is also equipped with a temperature sensor to automatically compensate measurements against temperature changes from 5 to 50°C (41 to 122°F).

When operating in the measurement mode, HI 983305-01’s red LED will alert the user as soon as the reading is 1 µS/cm over the setpoint and it can be connected to any external device.

• Specifically designed for demineralization and deionization applications
• Water resistant enclosure
• External 12 VDC power supply for continuous monitoring
• Selectable setpoint and LED alarm
• Automatic Temperature Compensation
• Molded hook for easy installation

Order Information:

HI 983305-01 (115V) and HI 983305-01 (230V) are supplied with HI 7631/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI983303-01 Pronto EC Meter 10 µS/cm resolution, 115V by Hanna Instruments

This water resistant conductivity meter is the result of customer requests for accurate, affordable process monitoring with low maintenance.

HI 983303-01 is supplied with a direct 2-pin probe and 2 m (6.6') cable with a ½" thread for flow-thru mounting. The probe has a temperature sensor to automatically compensate against temperature changes from 5 to 50°C (41 to 122°F) with a ? of 2% per degree.

In the measurement mode, a red LED will warn the user in the event the reading is outside of the alarm interval. A front trimmer allows manual calibration at 1 point. The electrical circuitry is tightly sealed inside the water resistant enclosure. This meter can be installed anywhere quickly and easily with the casings molded eye. The casing has been specially designed to sit out of the way and will not roll off a table. The 12 VDC power supply allows continuous monitoring over extended periods of time.

• Water resistant
• Continuous EC monitoring
• Visual LED alarms

Order Information:

HI 983303-01 (115V) and HI 983303-02 (230V) is supplied with HI 7634/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI983306-01 Pronto TDS Meter 10 mg/L resolution, 115V by Hanna Instruments

This water resistant TDS meter is the result of customer requests for accurate, affordable process monitoring with low maintenance.

HI 983306-01 is supplied with a direct 2-pin probe and 2 m (6.6') cable with a ½" thread for flow-thru mounting. The probe has a temperature sensor to automatically compensate against temperature changes from 5 to 50°C (41 to 122°F) with a ? of 2% per degree.

In the measurement mode, a red LED will warn the user in the event the reading is outside of the alarm interval. A front trimmer allows manual calibration at 1 point. The electrical circuitry is tightly sealed inside the water resistant enclosure. This meter can be installed anywhere quickly and easily with the casings molded eye. The casing has been specially designed to sit out of the way and will not roll off a table. The 12 VDC power supply allows continuous monitoring over extended periods of time.

• Water resistant
• Continuous EC monitoring
• Visual LED alarms

Order Information:

HI 983306-01 (115V) and HI 983306-02 (230V) is supplied with HI 7634/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI983307-01 Pronto EC Meter 0.01 mS/cm resolution, 115V by Hanna Instruments

This water resistant conductivity meter is the result of customer requests for accurate, affordable process monitoring with low maintenance.

HI 983307-02 is supplied with a direct 2-pin probe and 2 m (6.6') cable with a ½" thread for flow-thru mounting. The probe has a temperature sensor to automatically compensate against temperature changes from 5 to 50°C (41 to 122°F) with a ? of 2% per degree.

In the measurement mode, a red LED will warn the user in the event the reading is outside of the alarm interval. A front trimmer allows manual calibration at 1 point. The electrical circuitry is tightly sealed inside the water resistant enclosure. This meter can be installed anywhere quickly and easily with the casings molded eye. The casing has been specially designed to sit out of the way and will not roll off a table. The 12 VDC power supply allows continuous monitoring over extended periods of time.

• Water resistant
• Continuous EC monitoring
• Visual LED alarms

Order Information:

HI 983307-01 (115V) and HI 983307-02 (230V) are supplied with HI 7632/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI983308-01 Pronto TDS Meter 0.01 g/L (ppt) resolution, 115V by Hanna Instruments

This water resistant TDS meter is the result of customer requests for accurate, affordable process monitoring with low maintenance.

HI 983308-01 is supplied with a direct 2-pin probe and 2 m (6.6') cable with a ½" thread for flow-thru mounting. The probe has a temperature sensor to automatically compensate against temperature changes from 5 to 50°C (41 to 122°F) with a ? of 2% per degree.

In the measurement mode, a red LED will warn the user in the event the reading is outside of the alarm interval. A front trimmer allows manual calibration at 1 point. The electrical circuitry is tightly sealed inside the water resistant enclosure. This meter can be installed anywhere quickly and easily with the casings molded eye. The casing has been specially designed to sit out of the way and will not roll off a table. The 12 VDC power supply allows continuous monitoring over extended periods of time.

• Water resistant
• Continuous TDS monitoring
• Visual LED alarms

Order Information:

HI 983308-01 (115V) and HI 983308-02 (230V) are supplied with HI 7632/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI983309-01 Pronto TDS Meter 1 ppm (mg/L) resolution, 115V by Hanna Instruments

This water resistant TDS meter is the result of customer requests for accurate, affordable process monitoring with low maintenance.

HI 983309-01 is supplied with a direct 2-pin probe and 2 m (6.6') cable with a ½" thread for flow-thru mounting. The probe has a temperature sensor to automatically compensate against temperature changes from 5 to 50°C (41 to 122°F) with a ? of 2% per degree.

In the measurement mode, a red LED will warn the user in the event the reading is outside of the alarm interval. A front trimmer allows manual calibration at 1 point. The electrical circuitry is tightly sealed inside the water resistant enclosure. This meter can be installed anywhere quickly and easily with the casings molded eye. The casing has been specially designed to sit out of the way and will not roll off a table. The 12 VDC power supply allows continuous monitoring over extended periods of time.

• Water resistant
• Continuous TDS monitoring
• Visual LED alarms

Order Information:

HI 983309-01 (115V) and HI 983309-02 (230V) are supplied with HI 7634/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI981404N-02 pH & TDS Continuous Indicator with LCD, pH/TDS probes, 12VDC US Plug, buffers by Hanna Instruments

HI 981404N-02 is ideal for agricultural, horticultural and hydroponics applications where pH and TDS levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCD's.

The HI 1286 gel filled pH electrode is replaceable and the BNC connector is protected behind a waterproof sleeve. The unique design of the electrode guarantees greater clogging resistance in fertilizer solutions with high concentrations of phosphate, nitrate, etc. TDS measurements are performed using the 4-4-2 conversion factor of 0.7 so you do not need to convert the readings.

This model is equipped with a grounding bar to ensure highly accurate pH readings and longer electrode life.

The HI 981404N-01 is compact and easy to install and use making it ideal for all continuous monitoring applications.

• Two parameters with a single instrument
• Advanced electrode technology
• Simple operation and maintenance
• Supplied complete and ready to use

Order Information:

HI 981404N-01 (115V) and HI 981404N-02 (230V) are supplied complete with HI 1286 pH electrode, HI 7634 TDS probe, HI 1283 grounding bar, calibration solutions, screwdriver for calibration, 12 VDC adapter and instructions.

HI981405N-02 pH & EC Continuous Indicator with LCD Probes, 12VDC EU style Plug, buffers by Hanna Instruments

HI 981405N-02 is ideal for agricultural, horticultural and hydroponics applications where pH and EC levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCD's.

The HI 1286 gel filled pH electrode is replaceable and the BNC connector is protected behind a waterproof sleeve. The unique design of the electrode guarantees greater clogging resistance in fertilizer solutions with high concentrations of phosphate, nitrate, etc.

This model is equipped with a grounding bar to ensure highly accurate pH readings and longer electrode life.

The HI 981405N-01 is compact and easy to install and use making it ideal for all continuous monitoring applications.

• Two parameters with a single instrument
• Advanced electrode technology
• Simple operation and maintenance
• Supplied complete and ready to use

Order Information:

HI 981405N-01 (115V) and HI 981405N-02 (230V) are supplied complete with HI 1286 pH electrode, HI 7632 EC probe, HI 1283 grounding bar, calibration solutions, screwdriver for calibration, 12 VDC adapter and instructions.

HI983301N-02 Gro'Chek TDS Meter with 0.7 TDS Conversion Factor, 230V by Hanna Instruments

This meter has been engineered with a host of features suited for the aggressive environments commonly found in agricultural applications. Housings and cable connections have been sealed against vapor and humidity.

This TDS meter comes with a probe specifically made for horticulture and hydroponics applications. The probe compensates for temperature variations automatically, is easy to clean, is very stable and needs little maintenance.

The 12 VDC power supply included with the meter eliminates low battery failures.

• Water resistant
• Low maintenance probes
• Hang right above the samples
• Probes designed for horticulture and hydroponics applications

Order Information:

HI 983301N-01 (115V) and HI 983301N-02 (230V) is supplied with HI 7634 probe, 12 VDC adapter, 1500 ppm calibration solution (20 mL), calibration screwdriver and instructions.

HI983302N-02 Gro'Chek EC Meter with 0.01 mS/cm resolution, 230V by Hanna Instruments

This meter has been engineered with a host of features suited for the aggressive environments commonly found in agricultural applications. Housings and cable connections have been sealed against vapor and humidity.

This EC meter comes with a probe specifically made for horticulture and hydroponics applications. The probe compensates for temperature variations automatically, is easy to clean, is very stable and needs little maintenance.

The 12 VDC power supply included with the meter eliminates low battery failures.

• Water resistant
• Low maintenance probes
• Hang right above the samples
• Probes designed for horticulture and hydroponics applications

Order Information:

HI 983302N-01 (115V) and HI 983302N-02 (230V) is supplied with HI 7632 probe, 12 VDC adapter, 1413 mS/cm calibration solution (20 mL), calibration screwdriver and instructions.

HI983303-02 Pronto EC Meter 10 µS/cm resolution, 230V by Hanna Instruments

This water resistant conductivity meter is the result of customer requests for accurate, affordable process monitoring with low maintenance.

HI 983303-02 is supplied with a direct 2-pin probe and 2 m (6.6') cable with a ½" thread for flow-thru mounting. The probe has a temperature sensor to automatically compensate against temperature changes from 5 to 50°C (41 to 122°F) with a ? of 2% per degree.

In the measurement mode, a red LED will warn the user in the event the reading is outside of the alarm interval. A front trimmer allows manual calibration at 1 point. The electrical circuitry is tightly sealed inside the water resistant enclosure. This meter can be installed anywhere quickly and easily with the casings molded eye. The casing has been specially designed to sit out of the way and will not roll off a table. The 12 VDC power supply allows continuous monitoring over extended periods of time.

• Water resistant
• Continuous EC monitoring
• Visual LED alarms

Order Information:

HI 983303-01 (115V) and HI 983303-02 (230V) is supplied with HI 7634/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI983304-02 Pronto EC Meter, Range 0.00 to 19.99 µS/cm, 230V by Hanna Instruments

HI 983304-02 is specifically designed for use in demineralized and deionized water.

When placed at the output of any demineralization system, the visual alarm will be activated once the demineralizing equipment is exhausted. This exclusive feature will ensure maximum system efficiency with minimum investment.

This meter is supplied with an HI 7631/2 direct 2-pin probe with 2 m (6.6') cable and a ½" thread for flow-thru mounting. This probe is also equipped with a temperature sensor to automatically compensate measurements against temperature changes from 5 to 50°C (41 to 122°F).

When operating in the measurement mode, HI 983304-01’s red LED will alert the user as soon as the reading is 1 µS/cm over the setpoint.

• Specifically designed for demineralization and deionization applications
• Water resistant enclosure
• External 12 VDC power supply for continuous monitoring
• Selectable setpoint and LED alarm
• Automatic Temperature Compensation
• Molded hook for easy installation

Order Information:

HI 983304-01 (115V) and HI 983304-02 (230V) are supplied with HI 7631/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI983305-02 Conductivity Meter for Demineralized Water with manual calibration, 230V by Hanna Instruments

HI 983305-02 is specifically designed for use in demineralized and deionized water.

When placed at the output of any demineralization system, the visual alarm will be activated once the demineralizing equipment is exhausted. This exclusive feature will ensure maximum system efficiency with minimum investment.

This meter measures 0 to 19.99?µS/cm and comes with an alarm relay.

HI 983305-01 is supplied with an HI 7631/2 direct 2-pin probe with 2 m (6.6') cable and a ½" thread for flow-thru mounting. This probe is also equipped with a temperature sensor to automatically compensate measurements against temperature changes from 5 to 50°C (41 to 122°F).

When operating in the measurement mode, HI 983305-01’s red LED will alert the user as soon as the reading is 1 µS/cm over the setpoint and it can be connected to any external device.

• Specifically designed for demineralization and deionization applications
• Water resistant enclosure
• External 12 VDC power supply for continuous monitoring
• Selectable setpoint and LED alarm
• Automatic Temperature Compensation
• Molded hook for easy installation

Order Information:

HI 983305-01 (115V) and HI 983305-01 (230V) are supplied with HI 7631/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI983306-02 Pronto TDS Meter 10 mg/L resolution, 230V by Hanna Instruments

This water resistant TDS meter is the result of customer requests for accurate, affordable process monitoring with low maintenance.

HI 983306-02 is supplied with a direct 2-pin probe and 2 m (6.6') cable with a ½" thread for flow-thru mounting. The probe has a temperature sensor to automatically compensate against temperature changes from 5 to 50°C (41 to 122°F) with a ? of 2% per degree.

In the measurement mode, a red LED will warn the user in the event the reading is outside of the alarm interval. A front trimmer allows manual calibration at 1 point. The electrical circuitry is tightly sealed inside the water resistant enclosure. This meter can be installed anywhere quickly and easily with the casings molded eye. The casing has been specially designed to sit out of the way and will not roll off a table. The 12 VDC power supply allows continuous monitoring over extended periods of time.

• Water resistant
• Continuous EC monitoring
• Visual LED alarms

Order Information:

HI 983306-01 (115V) and HI 983306-02 (230V) is supplied with HI 7634/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI983307-02 Pronto EC Meter 0.01 mS/cm resolution, 230V by Hanna Instruments

This water resistant conductivity meter is the result of customer requests for accurate, affordable process monitoring with low maintenance.

HI 983307-02 is supplied with a direct 2-pin probe and 2 m (6.6') cable with a ½" thread for flow-thru mounting. The probe has a temperature sensor to automatically compensate against temperature changes from 5 to 50°C (41 to 122°F) with a ? of 2% per degree.

In the measurement mode, a red LED will warn the user in the event the reading is outside of the alarm interval. A front trimmer allows manual calibration at 1 point. The electrical circuitry is tightly sealed inside the water resistant enclosure. This meter can be installed anywhere quickly and easily with the casings molded eye. The casing has been specially designed to sit out of the way and will not roll off a table. The 12 VDC power supply allows continuous monitoring over extended periods of time.

• Water resistant
• Continuous EC monitoring
• Visual LED alarms

Order Information:

HI 983307-01 (115V) and HI 983307-02 (230V) are supplied with HI 7632/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI983308-02 Pronto TDS Meter 0.01 g/L (ppt) resolution, 230V by Hanna Instruments

This water resistant TDS meter is the result of customer requests for accurate, affordable process monitoring with low maintenance.

HI 983308-02 is supplied with a direct 2-pin probe and 2 m (6.6') cable with a ½" thread for flow-thru mounting. The probe has a temperature sensor to automatically compensate against temperature changes from 5 to 50°C (41 to 122°F) with a ? of 2% per degree.

In the measurement mode, a red LED will warn the user in the event the reading is outside of the alarm interval. A front trimmer allows manual calibration at 1 point. The electrical circuitry is tightly sealed inside the water resistant enclosure. This meter can be installed anywhere quickly and easily with the casings molded eye. The casing has been specially designed to sit out of the way and will not roll off a table. The 12 VDC power supply allows continuous monitoring over extended periods of time.

• Water resistant
• Continuous TDS monitoring
• Visual LED alarms

Order Information:

HI 983308-01 (115V) and HI 983308-02 (230V) are supplied with HI 7632/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI983309-02 Pronto TDS Meter 1 ppm (mg/L) resolution, 230V by Hanna Instruments

This water resistant TDS meter is the result of customer requests for accurate, affordable process monitoring with low maintenance.

HI 983309-02 is supplied with a direct 2-pin probe and 2 m (6.6') cable with a ½" thread for flow-thru mounting. The probe has a temperature sensor to automatically compensate against temperature changes from 5 to 50°C (41 to 122°F) with a ? of 2% per degree.

In the measurement mode, a red LED will warn the user in the event the reading is outside of the alarm interval. A front trimmer allows manual calibration at 1 point. The electrical circuitry is tightly sealed inside the water resistant enclosure. This meter can be installed anywhere quickly and easily with the casings molded eye. The casing has been specially designed to sit out of the way and will not roll off a table. The 12 VDC power supply allows continuous monitoring over extended periods of time.

• Water resistant
• Continuous TDS monitoring
• Visual LED alarms

Order Information:

HI 983309-01 (115V) and HI 983309-02 (230V) are supplied with HI 7634/2 EC/TDS probe, calibration screwdriver, 12 VDC adapter and instructions.

HI993301-02 Gro'Chek EC/TDS/Temperature Monitor low range EC and TDS measurement, 230V by Hanna Instruments

Waterproof and chemically resistant, HI 993301 has been designed to meet the grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. At startup, HI 993301-02 performs a self-check to ensure proper working condition.

This monitor from HANNA has a backlit LCD and displays instantaneous readings of both EC or TDS and temperature—even from a distance.

This instrument features a stability indicator that prompts the user when to take the reading. For manual recording purposes, readings can be frozen on the LCD display by pressing the HOLD button.

Calibration and temperature compensation are automatic, while the EC/TDS conversion factor and temperature coefficient factor (?) are user adjustable for application specific measurements.

• Waterproof
• Measure in °C or °F
• HOLD function
• Adjustable TDS ratio
• Adjustable ?
• Stability indicator
• Backlit display
• 12 VDC power supply

Order Information:

HI 993301-01 (115V) and HI 993301-02 (230V) is supplied with HI 7630 conductivity probe, HI 70031 1413 µS/cm calibration solution sachet, 12 VDC adapter and Instructions.

HI993302-02 Gro'Chek EC/TDS/Temperature Monitor high range EC and TDS measurement, 230V by Hanna Instruments

Waterproof and chemically resistant, HI 993302-02 has been designed to meet the grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. At startup, HI 993302-02 performs a self-check to ensure proper working condition.

This monitor from HANNA has a backlit LCD and displays instantaneous readings of both EC or TDS and temperature—even from a distance.

This instrument features a stability indicator that prompts the user when to take the reading. For manual recording purposes, readings can be frozen on the LCD display by pressing the HOLD button.

Calibration and temperature compensation are automatic, while the EC/TDS conversion factor and temperature coefficient factor (?) are user adjustable for application specific measurements.

• Waterproof
• Measure in °C or °F
• HOLD function
• Adjustable TDS ratio
• Adjustable ?
• Stability indicator
• Backlit display
• 12 VDC power supply

Order Information:

HI 993302-01 (115V) and HI 993302-02 (230V) is supplied with HI 7630 conductivity probe, HI 70030 12.88 mS/cm calibration solution sachet, 12 VDC adapter and Instructions.