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HM Digital ORP-200 ORP Meter Water Tester w/ Temp.


HM Digital ORP-200 ORP Meter Water Tester w/ Temp.
as low as $92.99 /ea
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Retail: $108.95
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Product Information

The HM Digital ORP-200 ORP Meter Water Tester with Temperature Gauge is a water tester used to test the Oxidation Reduction Potential (ORP) in your water supply. It also tests the temperature of water, and features Automatic Temperature Compensation (ATC).

Useful for both consumers and hobbyists, it can be used to test your drinking water, pools, spas, jacuzzis, aquariums, hydroponic systems, various water purification applications, water for alcohol brewing, ionizers, agriculture, environmental testing, fruit and vegetable washing, metal finishing, ozone system monitoring, pharmaceutical and medical applications, and other applications where you need to test the ORP and/or temperature of water. The HM Digital OPR-200 water tester is useful for all ORP testing, including anti-oxidant measurement.

The HM Digital ORP-200 has a multitude of advanced water quality testing features. It measures potentially harmful oxidation reduction potential in the range of -999 to +1000 mV. It also measures water temperature and has an automatic temperature compensation (ATC) feature. The ORP-200 meter is factory calibrated to +200 mV. Calibration of the ORP-200 is simple because it comes equipped with push button digital calibration. The meter can be recalibrated with digital calibration using the push buttons instead of a screwdriver.

HM Digital ORP-200 ORP Meter Water Tester with Temperature Gauge Specifications:

  • Weight: 3.4 oz
  • Accuracy: 0.5% (+/- 2mV)
  • ORP Range: -999 to +1000 mV
  • Temperature Range: 32 - 176 F
  • Dimensions: 7.3" x 1.3" x 1.3"
  • Replaceable Sensor: HM Digital Model SP-O2
  • Resolution: 1 mV; Temperature resolution is 0.1 F
  • Calibration: Digital calibration by push button
  • Housing: Waterproof Plastic (submersible; floats)
  • Power source: 3 x 1.5V button cell batteries (included)
  • Electrode: Replaceable glass sensor and reference tube electrodes

The housing of this digital HM Digital ORP tester is waterproof, and it has an auto shut-off function, data-hold function, and low-battery indicator. The LCD screen display is extra large and simple to read, and it features simultaneous temperature reading. It comes equipped with a cap and batteries, and a lanyard for easy carrying.

Full instructions for use of the HM Digital ORP-200 are included with the packaging.


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" Thanks for the fast service. All items were included in the order and arrived in good condition. " - Tom, Temperance, MI
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