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 benchtop pH meters. Starter 3100 has many smart features that make it as intuitive as it is accurate for standard pH measurement.
![](https://asiapacific.ohaus.com/Ohaus/media/Products/Instruments/Water%20Analysis%20Meters%20and%20Electrodes/Starter%203100%20pH%20Bench/Family%20Images/Starter-3100-pH-Bench-USP1.jpg?ext=.jpg)
Auto buffer recognition with three different buffer groups makes it easy to avoid errors during the calibration process.
![](https://asiapacific.ohaus.com/Ohaus/media/Products/Instruments/Water%20Analysis%20Meters%20and%20Electrodes/Starter%203100%20pH%20Bench/Family%20Images/Starter-3100-pH-Bench-USP2.jpg?ext=.jpg)
A user-friendly bench meter with an innovative design, including an adjustable standalone electrode holder and large backlit LCD display.
![](https://asiapacific.ohaus.com/Ohaus/media/Products/Instruments/Water%20Analysis%20Meters%20and%20Electrodes/Starter%203100%20pH%20Bench/Family%20Images/Starter-3100-pH-Bench-USP3.jpg?ext=.jpg)
A 99-item memory for pH and/or conductivity measurements makes for efficient data documentation. RS232 interface allows for connection to external devices for data storage or transfer.
Speciafications
Models #: ST3100-B
Measurement Range: -5 °C – 110 °C;-2.00 – 16.00 pH;-1999 – 1999 mV
Accuracy: ±0.5 °C;±1 mV;±0.01 pH
Measurement Resolution: 0.1 °C;0.01 pH;1 mV
Models #: ST3100-F
Measurement Range: -5 °C – 110 °C;-2.00 – 16.00 pH;-1999 – 1999 mV
Accuracy: ±0.5 °C;±1 mV;±0.01 pH
Measurement Resolution: 0.1 °C;0.01 pH;1 mV
Details
Applications
pH, oxidation-reduction potential (ORP) measurement
Display
Backlit liquid crystal display (LCD)
Operation
AC adapter (included)
Communication
RS232 (included)
Construction
ABS housing, standalone electrode holder, replaceable in-use cover
Design Features
99 measurement memory, automatic and manual endpoint functions, automatic and manual temperature compensation, quick reference guide