Ohaus 30073976 ST20C-B Conductivity Starter Pen Meter


Price $139.00
FREE SHIPPING | Estimated delivery in 1-2 weeks after ordering
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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). Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement without restriction.
pH, oxidation-reduction potential (ORP), conductivity, dissolved oxygen (DO), salinity, total dissolved solids (TDS), temperature measurement
Liquid crystal display (LCD) display with secondary information line (on select models)
4 1.5V batteries (included)
ABS housing
Design Features
Easily replaceable electrodes, automatic shut off feature
Meter Type Conductivity 
Measurement Range 0 – 1999 μs/cm;  0.0 – 99.0 °C 
Accuracy ±0.1 pH 
Measurement Resolution 1μs/cm 
Display LCD 
ATC Yes 
Temperature Compensation Automatic 
Accuracy ± (Temperature) 0.5 °C 
Automatic Shutdown Yes, After 6 minutes of non-use 
Battery Life 200 Hours with Disposable Batteries 
Calibration 1 Point 
Conductivity accuracy 1.5 % 
Conductivity measuring range 0 – 1999 µS/cm 
Dimensions (HxLxW) 7.28 in x 1.5 in x 1.77 in (185 mm x 38 mm x 45 mm) 
Measurement Range (Temperature) 0 °C – 99 °C 
Net Weight 110 g 
Number of Buttons
Power 4 AG13 Batteries (Included) 
Protection Rating IP67 
Temperature Display Yes 
Temperature Range 0 °C – 99 °C 
Temperature Sensor 50 KΩ NTC 
Working Environment 50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85%RH, non-condensing) 
Wrist Strap Yes

Product Manual

Instruction Manual

 Ohaus 30073976 ST20C-B Conductivity Starter Pen Meter

Ohaus 30073976 ST20C-B Conductivity Starter Pen Meter