Elite ORP pocket tester

The Elite ORP pocket tester features a simultaneous display of the redox measurement with temperature (manual input). Oxidation-Reduction Potential (ORP) or Redox potential measurements are used to monitor chemical reactions,
to quantify ion activity, or to determine the oxidizing or reducing properties of a solution. Ideal for applications such
as hydroponics, food and beverage, environmental, drinking water, wastewater, agriculture, aquaculture and aquariums, pools and spas, education, and industrial (cooling towers).

Includes batteries, lanyard and soft carry case.


  • Display: graphic, dot matrix 80 x 100 pixel
  • Backlight: yes, selectable (30 sec from the last key press)
  • Auto shutoff: 8.5 min (from last key press)
  • Reset: user, factory
  • Power requirements: 4 AAA batteries
  • Battery life: >250 hr (pH, ORP, pH spear), >150 hr (CTS, PCTS)
  • Operating temperature: 5 to 45ºC
  • Relative humidity: 5 to 85% non-condensing
  • IP67 waterproof
  • Certifications: CE, FCC


  • Range: -1000 to 1000 mV
  • Resolution: ±1 mV
  • Relative accuracy: ±3 mV
  • Calibration point: one
  • Calibration window: ±200 mV
  • Calibration type: offset


  • Range: 0 to 60.0°C (32.0 to 140.0ºF)
  • Resolution: 0.1ºC (0.1ºF)
  • Input window: 0 to 60.0°C (32.0 to 140.0ºF)

Manufacturer : Thermo Orion Inc

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Cat.#Mfg.#PriceQuantityEstimated Availability
642-507-02ELITEORP$346.49 EA  
Ships within one week

Parts & Accessories:

Cat.#DescriptionMfg.#PriceQuantityEstimated Availability
642-600-14Storage solution for pH sensor, 475 mL bottle910001$109.54 EA  
Ships from stock
642-700-24Replacement sensor for Elite ORP pocket tester01X001524$136.82 EA  
Ships within one week

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