Ohaus Starter™ Pen Meters — Water Quality Meter

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SKU · OH-30073970Authorized distributor

Ohaus Starter™ Pen Meters— Water Quality Meter

Meter Type: Conductivity; pH; Salinity Measurement Range: 0.0 – 10.0 ppt; 0.0 – 99.0 °C; 0.00 – 14 pH; 0.00 – 19.99 ms/cm Accuracy: ±2.0 % F.S.; ± 0.05 pH / ± 0.5 °C Each

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ERE Specialist Team

Senior product specialist · EN / FR

30+ years

Serving North America

In-house cal.

Certified calibration

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Brand distributor

18,000+ customers

Trusted since 1994

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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.

Part Number	Model	Meter Type	Measurement Range	Accuracy
OH-30073970	ST10	pH	0.00 - 14 pH	+0.1 pH
OH-30073972	ST10C-A	Conductivity	0.00 - 199.9 μs/cm	+2.5% FS
OH-30073973	ST10C-B	Conductivity	0.00 -1999 μs/cm	+2.5% FS
OH-30073974	ST10C-C	Conductivity	0.00 - 19.99 μs/cm	+2.5% FS
OH-30073984	ST10R	ORP	-1000 - 1000 mV	2mV
OH-30073982	ST10S	Salinity	0.0 - 10.0 ppt	+2.5% FS
OH-30073978	ST10T-A	TDS	0.0 - 100.0 mg/L	+2.5% FS
OH-30073979	ST10T-B	TDS	0.0 - 1000 mg/L	+10mm
OH-30073971	ST20	pH	0.0 - 99.0 °C ; 0.00 - 14 pH	+0.05 pH / +0.5 °C
OH-30073975	ST20C-A	Conductivity	0.00 - 199.9 μs/cm ; 0.0 - 99.0 °C	+1.5% / +0.5% °C
OH-30073976	ST20C-B	Conductivity	0.0 - 99.0 °C ; 0 - 1999 μs/cm	+0.1 pH
OH-30073977	ST20C-C	Conductivity	0.0 - 99.0 °C ; 0.00 - 19.99 ms/cm	+1.5% / +0.5 °C
OH-30073986	ST20D	Dissolved Oxygen	0.0 -19.9 mg/L	+0.5% °C
OH-30393199	ST20M-B	TDS ; Conductivity ; pH	0.0 - 1000 mg/L ; 0.0 - 99.0 °C ; 0.00 - 14 pH ; 0 – 1999 μs/cm	+2.0 % F.S.;+ 0.05 pH / + 0.5 °C
OH-30393200	ST20M-C	Conductivity ; pH ; Salinity	0.00 - 10.0 ppt ; 0.0 - 99.0 °C ; 0.00 -14 pH ; 19.99 ms/cm	+2.0 % F.S.;+ 0.05 pH / + 0.5 °C
OH-30073985	ST20R	ORP	-1000 - 1000mV ; 0.0 - 99.0 °C	+ 2 mV / + 0.5 °C
OH-30073983	ST20S	Salinity	0.00 -80.0 ppt ; 0.0 - 99.0 °C	+ 1.5% / + 0.5 °C
OH-30073980	ST20T-A	TDS	0.0 – 100.0 mg/L;0.0 – 99.0 °C	+ 1.5% / + 0.5 °C
OH-30073981	ST20T-B	TDS	0.0 – 1000 mg/L;0.0 – 99.0 °C	+ 1.5% / + 0.5 °C

Starter Pen Meters Datasheet

In-house service

Calibration & bump testing

Every instrument we ship is calibrated, sensor-bumped and stress-tested before it leaves our Montreal facility.

Calibration certificates included
OEM parts only — no aftermarket
Factory-trained technicians
Pickup available in Greater Montréal

Compliance

Certifications maintained

We hold the manufacturer relationships and lab equipment to keep your compliance certifications current.

CSA C22.2

ATEX

IECEx Ex ia

Calibration certificates

Comparable models

Calibration & bump testing

Certifications maintained

Related equipment we stock

Ohaus Starter™ 400M pH & Conductivity Portable

Ohaus Starter™ 400D Dissolved Oxygen Portable

Ohaus Starter™ 400 pH Portable

Ohaus Starter™ 300D Dissolved Oxygen Portable