Starter Pen Meters

Compact Design for Fast, Convenient Electrochemistry Measurement At Your Fingertips

ST20

Measurement Range	0.0 – 99.0 °C;0.00 – 14 pH
Measurement Resolution	0.01 pH
Calibration	3 Point
Item Number:	30073971

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Overview
Specs
Accessories
Documents

Overview

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.

Applications

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

Display

Liquid crystal display (LCD) display with secondary information line (on select models)

Operation

4 1.5V batteries (included)

Communication

N/A

Construction

ABS Housing

Design Features

Easily replaceable electrodes, automatic shut off feature

Specifications

Measurement Range	0.0 – 99.0 °C;0.00 – 14 pH
Measurement Resolution	0.01 pH
Calibration	3 Point
Temperature compensation	Automatic
Display	LCD
Working Environment	50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Net Weight	3.88 oz (110 g)
Meter Type	pH
ATC	Yes
Temperature Display	Yes
Dimensions	1.5 in x 7.28 in x 1.77 in (38 mm x 185 mm x 45 mm) (LxHxW)
Battery Life	200 Hours with Disposable Batteries
Protection Rating	IP67
Power	4 AG13 Batteries (Included)
pH accuracy (±)	0.05
Wrist Strap	Yes
Number of Buttons	3
pH measuring range	0 – 14
Automatic Shutdown	Yes, After 6 minutes of non-use
Accuracy	± 0.05 pH / ± 0.5 °C
Width (Shipping)	6.3 cm
Height (Shipping)	5 cm
Length (Shipping)	22.3 cm
Gross Weight (Shipping)	0.25 kg