Waterproof ORP Meter ORP-200

Ideal for all ORP testing, including anti-oxidant measurement or water purification applications.

in stock 5 pcs
Delivery by 29.7.2024
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Product description

HM digital ORP-200

Ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, aquariums & aquaculture, chlorine monitoring, cooling tower disinfection, environmental testing, fruit & vegetable washing, hydroponics, metal finishing, ozone system monitoring, pharmaceutical & medical applications, pools & spas, pulp bleaching, vineyards & wineries and water treatment.

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Oxidation reduction potencial (ORP)

ORP-200 measures the oxidation reduction potential (ORP) and temperature of your drinking water. This stylish, lightweight device is waterproof. It has a large and clear LCD display that shows the ORP value and temperature. The instrument is calibrated at the factory prior to 92 mV and this value can be easily recalibrated using the buttons.

The package contains cap, battery, calibration solution, and lanyard.

Waterproof ORP Meter ORP-200


  • Measures Oxidation Reduction Potential (Redox) and Temperature
  • Auto-ranging calibration with digital fine tuning
  • Includes storage solution in a sponge embedded in a clear cap
  • Waterproof housing (IP-67 rating)
  • Simultaneous temperature display
  • Digital Calibration (push button)
  • Auto-off function, data-hold function and low-battery indicator.
  • Display: large and easy-to-read LCD screen includes simultaneous temperature reading
  • Replaceable Sensor (model SP-O2)
  • Factory Calibrated: The ORP-200 meter is factory calibrated to +92 mV The meter can be easily recalibrated with digital calibration using the push buttons, rather than a screwdriver.
  • Includes cap, batteries, and lanyard

Click here for instructions on how to clean your ORP sensor, in order to obtain better results in negative ORP water. You can check user manual for better idea about this tester.


HM Digital
Country of origin
ORP range
-999 to +1000 mV
Temperature range
1 - 80 °C
185 x 34 x 34 cm
0,096 kg
Warranty (months)
24 months
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