Ohaus ST20C-A Starter Pen Meters

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.

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 with no 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	ST_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	STpen_meters_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)