Ohaus ST3100M-F Starter PH & Conductivity Bench Meter

SKU: ST3100M-F
Ohaus ST3100M-F Starter PH & Conductivity Bench  Meter

Ohaus ST3100M-F Starter PH & Conductivity Bench Meter

SKU: ST3100M-F
Regular price $1,066.00 CAD Sale price $775.00 CAD Save $291 CAD
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Ohaus ST3100M-F Starter PH & Conductivity Bench  Meter

Ohaus ST3100M-F pH & Conductivity Meter is ideal for a wide range of lab applications, and 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.

Standard Features Include:
• Equipped with Software to Ensure the Reliability and Accuracy of Your Readings Auto temperature compensation, auto buffer recognition, six pH buffer groups, five conductivity standards and automatic/manual endpoints ensure accurate and stable measurement.

•User-Friendly Features Offer Ease of Operation and Versatility An adjustable electrode holder, a large backlit LCD for optimal viewing of results, and a Quick Guide with set-up and navigation info combine to make ST3100M a truly userfriendly experience.

• Store and Transfer Data Conveniently with RS232 Connectivity Documenting data is made efficient with a 99-item memory for pH and conductivity measurements. RS232 interface allows you to connect to an external device such as a printer to store or transfer data


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


± 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


LCD, backlight


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


3.07 in x 6.89 in x 8.66 in (78 mm x 175 mm x 220 mm) (HxLxW)

In-use cover


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 (±)


pH measuring range

-2 – 20

pH resolution



100 - 240 V

Resistivity measuring range

0 MOhm – 20 MOhm

Resistivity resolution

0.01 MOhm

Resolution Cond. (Variable)

0.01 – 200

Resolution (Voltage)

1 mV

Temperature Compensation


Temperature Resolution

0.1 °C

Temperature Sensor


Working Environment

14°F – 104°F, 85%RH, non-condensing (-5°C – 40°C, 85%RH, non-condensing)

Ohaus ST3100-F Datasheet 
Ohaus ST3100-F  Manual  

For Additional Information please see the links below 

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