Starter 3100m pH & conductivity bench

Ohaus - ST3100M-F

Ideal for a wide range of lab applications

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It 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

Measurements of pH, redox potential (ORP),conductivity, total dissolved solids (TDS),salinity, resistivity, and temperature.

Display

Backlit liquid crystal display (LCD)

Operation

AC adapter (included)

Communication

RS232 (included)

Construction

ABS case, user cover, mechanical keys

Design features

Three-point calibration (pH),electrode status icon, parameter toggle button, compact design.

Starter 3100m pH & conductivity bench with a great price

Software helps ensure reliable readings
RS-232 interface supports data storage and transfer to compatible devices
Backlit LCD for easy viewing in low lighting
Durable housing protects sensitive components
Mechanical keys make operation easy
3-point pH calibration supports precise readings
Electrode condition icon offers status information at a glance
Parameter toggle button provides quick control over settings
Compact design offers flexible placement options
0 to 20 MΩ resistivity measuring range with 0.01 MΩ resolution and 1 mV voltage resolution
0.1mg/1 to 199.9 g/1 (rDS) TDS measurement range with 0.01 mg/L auto-range resolution
0 to 100 psu salinity measurement range with 0.01 psu resolution
Stores up to 99 sets of pH and conductivity data readings and last calibration data
30 KΩ temperature sensor with automatic compensation for exact readings

Combining all of the features from the benchtop pH and conductivity meter into one multi-meter, makes testing pH, ORP, conductivity, salinity, TDS, resistivity, temperature a seamless process.

A user-friendly bench meter with an innovative design, including an adjustable standalone electrode holder and large backlit LCD display.

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.

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
Measurement Resolution	0.01 μS/cm; 0.1 °C; 0.01 pH; 1 mV; 0.01 Ω•cm
Accuracy	± 0.5 % F.S.; ±0.01 pH; ±0.3 °C; ±1 mV
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	3.07 in x 6.89 in x 8.66 in (78 mm x 175 mm x 220 mm) (HxLxW)
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
Resistivity measuring range	0 MOhm – 20 MOhm
Resistivity resolution	0.01 MOhm
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)