Ohaus ST20C-A Starter Pen Meters

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OhausSKU: 30073975
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Sale price$89.38 Regular price$143.00

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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.


accuracy 1 mV
brand Starter Series Pen Meters
dimensions 3.07 in x 6.89 in x 8.66 in (78 mm x 175 mm x 220 mm)
electrode ST310 (Included);STCON3 (Included)
in-use-cover Included
list-price 143.00
Manual ST20C-A_Manual.pdf
manufacturer-part-number 30073975
measurement-range 00.0 μS/cm – 199.9 mS/cm;-5 °C – 110 °C;-2.00 – 20.00 pH;-1999 – 1999 mV;0-20 MΩ•cm
measurement-resolution 0.01 μS/cm;0.1 °C;0.01 pH;1 mV;0.01 Ω•cm
model ST20C-A
net-weight 2.09 lb (0.95 kg)
part-number 30073975
ph-accuracy 0.01
ph-measuring-range -2 – 20
ph-resolution 0.01
power 100 - 240 V
Spec Sheet ST20C-A_Spec_Sheet.pdf
temperature-compensation Automatic
temperature-range -5 °C – 110 °C
temperature-resolution 0.1 °C
temperature-sensor 30 KΩ NTC
working-environment 14°F – 104°F, 85%RH, non-condensing (-5°C – 40°C, 85%RH, non-condensing)


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