Ohaus ST20 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	0.5 °C
atc	Yes
battery	TDS
brand	Starter Series Pen Meters
dimensions	7.28 in x 1.5 in x 1.77 in (185 mm x 38 mm x 45 mm)
list-price	126.00
Manual	ST20_Manual.pdf
manufacturer-part-number	30073971
measurement-range	0.0 – 100.0 mg/L;0.0 – 99.0 °C
measurement-resolution	0.1 mg/L
meter-type	TDS
model	ST20
net-weight	3.88 oz (110 g)
part-number	30073971
power	4 AG13 Batteries (Included)
protection-rating	IP67
Spec Sheet	STpen_meters_Spec_Sheet.pdf
temperature-compensation	Automatic
temperature-display	Yes
temperature-sensor	50 KΩ NTC
working-environment	50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85%RH, non-condensing)