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Explore Ohaus Starter Ph & Conductivity St3100m-b, -2.00 – 20.00 Ph X ±0.01ph Markdown: -35% [MJgtzRS8]

$42.99 $137.99 -69%

DetailsspecificationOverviewSave time, space and money with the Starter 3100M Bench Meter, which combines all your pH, ORP, conductivity, TDS, salinity, resistivity and temperature measurements - in one smart device. Ideal for a wide range of lab app

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Explore Ohaus Starter Ph & Conductivity St3100m-b, -2.00 – 20.00 Ph X ±0.01ph Markdown: -35% [MJgtzRS8]

  • Overview
    Save time, space and money with the Starter 3100M Bench Meter, which combines all your pH, ORP, conductivity, TDS, salinity, resistivity and temperature measurements - in one smart device. Ideal for a wide range of lab applications, the ST3100M is incredibly easy to use. Equipped with software to ensure the reliability of your readings, and RS232 connectivity to store and transfer data conveniently, the ST3100M is a great addition to your lab.
    Applications
    pH, Oxidation-Reduction Potential (ORP), Conductivity, Total Dissolved Solids (TDS), Salinity, Resistivity and Temperature Measurements
    Display
    Backlit Liquid Crystal Display (LCD)
    Operation
    AC adapter (included)
    Communication
    RS232 (included)
    Construction
    ABS housing, in-use cover, mechanical keys
    Design Features
    Three point calibration (pH), electrode condition icon, parameter toggle button, compact design
  • 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
    Accuracy ± 0.5 % F.S.;±0.01 pH;±0.3 °C;±1 mV
    Measurement Resolution 0.01 μS/cm;0.1 °C;0.01 pH;1 mV;0.01 Ω•cm
    Display LCD, backlight
    Electrode ST310 (Included);STCON3 (Included)
    Accuracy ± (mV) 1 mV
    Accuracy ± (Temperature) 0.3 °C
    Battery Life Not Applicable
    Conductivity accuracy 0.5 %
    Conductivity measuring range 0.0 – 199.9 µS/cm
    Dimensions (HxLxW) 3.07 in x 6.89 in x 8.66 in (78 mm x 175 mm x 220 mm)
    In-use cover Included
    Measurement Range (Temperature) -5 °C – 110 °C
    Measurement Range -1,999 mV – 1,999 mV
    Net Weight 2.09 lb (0.95 kg)
    pH accuracy (±) 0.01
    pH measuring range -2 – 20
    pH resolution 0.01
    Power 100 - 240 V
    Resolution Cond. (Variable) 0.01 – 200
    Resolution (Voltage) 1 mV
    Temperature Compensation Automatic
    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)

What Our Customers Say

February 6, 2026

Absolutely no complaints!

An outstanding tool. Very solid.

- Llywelyn K..

February 6, 2026

Absolutely no complaints!

It’s a very clever and reliable tool.

- Jocosa Y..

February 6, 2026

Absolutely no complaints!

An excellent gadget. Very solid.

- Taliesin C..

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