

Ohaus® Starter 3100 pH Bench Meters
Image | SKU | Description | Included | Measurement Resolution | Measurement Accuracy | Measurement Range | Quantity | Price | Add to Cart |
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30058489 | Ohaus® ST3100-F pH Bench Meter | ST310 electrode, In-use cover | 0.01 pH; 1 mV; 0.1 ° C | ± 0.01 pH; ± 1 mV; ± 0.5 ° C | -2.00 to 16.00 pH; -1999 to 1999 mV; -5 ° C to 110 ° C | 1 Each |
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30057497 | Ohaus® ST3100-B pH Bench Meter | - | 0.01 pH; 1 mV; 0.1 ° C | ± 0.01 pH; ± 1 mV; ± 0.5 ° C | -2.00 to 16.00 pH; -1999 to 1999 mV; -5 ° C to 110 ° C | 1 Each |
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Description
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 Features
99 measurement memory, automatic and manual endpoint functions, automatic and manual temperature compensation, quick reference guide
Specifications
Model | ST3100-B | ST3100-F |
Part # | 30057497 | 30058489 |
Measurement Range | -2.00 - 16.00 pH; -1999 - 1999 mV; -5 °C - 110 °C | -2.00 - 16.00 pH; -1999 - 1999 mV; -5 °C - 110 °C |
Accuracy | ±0.01 pH; ±1 mV; ±0.5 °C | ±0.01 pH; ±1 mV; ±0.5 °C |
Measurement Resolution | 0.01 pH; 1 mV; 0.1 °C | 0.01 pH; 1 mV; 0.1 °C |
Display | LCD with backlight | LCD with backlight |
Electrode | ST310 (Available as an accessory) | ST310 (Included) |
Accuracy ± (Temperature) | 0.5 °C | 0.5 °C |
Battery Life | Not Applicable | Not Applicable |
Calibration | 3 Point | 3 Point |
Dimensions (HxLxW) | 78 mm x 220 mm x 175 mm | 78 mm x 220 mm x 175 mm |
In-use cover | Available as an Accessory | Included |
Measurement Range (Temperature) | -5 °C - 110 °C | -5 °C - 110 °C |
Measurement Range | -1,999 mV - 1,999 mV | -1,999 mV - 1,999 mV |
Net Weight | 0.75 kg | 0.75 kg |
Parameter | pH / ORP | pH / ORP |
pH accuracy (±) | 0.01 | 0.01 |
pH measuring range | -2 - 16 | -2 - 16 |
pH resolution | 0.01 | 0.01 |
Power | AC Adapter (Included) | AC Adapter (Included) |
Resolution (Voltage) | 1 mV | 1 mV |
Temperature Compensation | Yes | Yes |
Temperature resolution | 0.1 °C | 0.1 °C |
Temperature Sensor | 30 KΩ NTC | 30 KΩ NTC |
Working Environment | 41°F - 104°F, 80%RH, non-condensing (5°C - 40°C, 80%RH, non-condensing) | 41°F - 104°F, 80%RH, non-condensing (5°C - 40°C, 80%RH, non-condensing) |