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Ohaus Starter ST3100-B Bench pH Meter, -2.00 – 16.00 pH, (w/o Electrode), 30057497

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Ohaus Starter ST3100-B Bench pH Meter, -2.00 – 16.00 pH, (w/o Electrode), 30057497
BrandOhaus Corporation
Product CodeOHS-30057497
AvailabilityContact us for availability
ConditionBrand New
MSRP : $0.00
*This product has been discontinued and replaced with part number 30589826. Please email us for pricing
Out of Stock

Product Description

Ohaus Starter ST3100-B Bench pH Meter, -2.00 – 16.00 pH, (w/o Electrode), 30057497

Ohaus Starter ST3100-B Bench pH Meter, -2.00 – 16.00 pH, (w/o Electrode), 30057497. 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. Starter 3100's intuitive software includes three point calibration, three buffer groups, automatic and manual endpoint functions, as well as a 99 item library. Among Starter 3100's user-friendly features that support ease-of-use are an adjustable standalone electrode holder and large backlit LCD display. Documenting measurement data is made simple through the RS232 which can be used to connect peripheral devices such as printers or computers to the meter.

    • 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; 99 measurement memory, automatic and manual endpoint functions, automatic and manual temperature compensation, quick reference guide

    Models Measurement Range Measurement Resolution Calibration Electrode
    ST3100-B -2.00 – 16.00 pH;-1999 – 1999 mV;-5 °C – 110 °C 0.01 pH;1 mV;0.1 °C 3 Point Not included
    ST3100-F -2.00 – 16.00 pH;-1999 – 1999 mV;-5 °C – 110 °C 0.01 pH;1 mV;0.1 °C 3 Point ST310 (Included)

    NOTE:We are an authorized distributor of Ohaus Corporation. We carry the entire product line of Ohaus Scales and Balances for different industries such Laboratory & Scientific Research, Retail industry, Medical Field, Jewelry and Pharmaceutical. We are located in Long Island New York. If you can not find any Ohaus products or replacement parts and accessories on our website, please contact us for pricing and availability. Our phone numbers are toll free 1-888-822 3336 or 631-803 2694. You can also send us an email to or simply click on the "Ask Question" button on every product detail page. We will reply your inquiries as quickly as possible...


  • Intuitive Software that Powers the Starter Series—Intuitive software and a well-organized display work in tandem to make operating the Starter Series a simple and straightforward task.
  • Functional Design for Easy Operability—With five clearly marked input keys and built-in or stand-alone electrode holders, operating the Starter bench meters is a convenient process.
  • Reliable Calibration for Accurate Results—Starter bench meters track the accuracy of the calibration process right on the display, so that you can measure with peace-of-mind, knowing that your results will be highly precise.


Measurement Range -2.00 – 16.00 pH;-1999 – 1999 mV;-5 °C – 110 °C
Measurement Resolution 0.01 pH;1 mV;0.1 °C
Calibration 3 Point
Temperature Compensation Yes
Display LCD with backlight
Working Environment 41°F – 104°F, 80%RH, non-condensing (5°C – 40°C, 80%RH, non-condensing)
Net Weight 1.65 lb (0.75 kg)
Accuracy ±0.01 pH;±1 mV;±0.5 °C
Electrode ST310 (Not included)
Measurement Range (Temperature) -5 °C – 110 °C
Measurement Range -1,999 mV – 1,999 mV
Parameter pH / ORP
pH measuring range -2 – 16
pH resolution 0.01
Resolution (Voltage) 1 mV
Temperature resolution 0.1 °C
Accuracy ± (Temperature) 0.5 °C
Battery Life Not Applicable
Dimensions (HxLxW) 3.07 in x 8.66 in x 6.89 in (78 mm x 220 mm x 175 mm)
In-use cover Available as an Accessory
pH accuracy (±) 0.01
Power AC Adapter (Included)
Temperature Sensor 30 KΩ NTC

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