Lab equipments – STARTER PEN METERS (ORP ST20R)

$140.00$150.00 (-7%)

In stock

Meter Type ORP
Measurement Range (Temperature) 0 °C – 99 °C
Measurement Range -1000 – 1000 mV;  0.0 – 99.0 °C
Display LCD
Temperature Compensation Automatic
Accuracy ± (mV) 2 mV
Accuracy ± (Temperature) 0.5 °C
Automatic Shutdown Yes, After 6 minutes of non-use
Battery Life 200 Hours with Disposable Batteries
Calibration NA
Net Weight 3.88 oz (110 g)
Accuracy ± 2 mV / ± 0.5 °C
Number of Buttons 2
Power 4 AG13 Batteries (Included)
Protection Rating IP67
Temperature Display Yes
Temperature Range 0 °C – 99 °C
Dimensions (LxW) 1.5 in x 7.28 in x 1.77 in (38 mm x 185 mm x 45 mm)
Working Environment 50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85%RH, non-condensing)

Standard features

Durably Constructed to Withstand Wear and Tear Resulting from Repetitive Use

With durable plastic housing, a protective cap that safeguards the sensor and an automatic
shutdown feature to preserve battery life, the Starter pen meters can endure consistent use
in rugged environments.

Waterproof Housing Protects the Meters in their Working Environment—

Equipped with a wrist strap that helps to prevent unintentional dropping, Starter pen
meters are constructed with an IP67 waterproof design that can prevent water
damage when accidentally dropped into liquid.


After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in a line of pen meters that provide accurate measurement of pH, oxidation-reduction potential (ORP), conductivity, salinity, and total dissolved solids (TDS).


pH, oxidation-reduction potential (ORP), conductivity, dissolved oxygen (DO), salinity, total dissolved solids (TDS), temperature measurement

Additional information

Weight 0.11 kg
Dimensions 3.8 × 4.5 × 18.5 cm

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Lab equipments - STARTER PEN METERS (ORP ST20R)

$140.00$150.00 (-7%)

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