Ohaus ST400M Portable pH and Conductivity Meter

Ohaus ST400M Portable pH and Conductivity MeterOhaus ST400M Portable pH and Conductivity Meter Starter 400M Portable Water Analysis Meters are robust, lightweight, and battery operated units with a waterproof housing. They are ideal for prolonged use in wet environments. A rechargeable lithium battery ensures hours of trouble free testing in the field while intuitive software and an easy to view LCD allow for simple operation. They are equipped with a large storage capacity and the ability to

Ohaus ST400M Portable pH and Conductivity Meter

Starter 400M Portable Water Analysis Meters are robust, lightweight, and battery-operated units with a waterproof housing.  They are ideal for prolonged use in wet environments. 

A rechargeable lithium battery ensures hours of trouble-free testing in the field while intuitive software and an easy-to-view LCD allow for simple operation.  They are equipped with a large storage capacity and the ability to transfer data easily via USB. 

Specifications:

• Measurement Range: -2.00 – 16.00 pH;  -1999 – 1999 mV;  00.0 μS/cm – 199.9 mS/cm;  0.1 mg/L – 199.9 g/L (TDS);  0-99.9 psu;  0-20 MΩ•cm;  -5 °C – 110 °C
• Measurement Resolution: 01 pH;  1 mV;  0.1 μs/cm;  0.01 mg/L;  0.01 psu;  0.01 Ω•cm;  0.1 °C
• Accuracy ±: ±0.01 pH;  ±1 mV;  ± 0.5 % F.S.;  ±0.3 °C
• Display: LCD Backlit Display
• Probe: ST320 IP67 3m (Not Included in ST400M-B);  STCON3 IP67 3m (Not Included in ST400M-B)
• Accuracy ± (mV): 1 mV
• Accuracy ± (Temperature): 3 °C
• Battery Life: 40 hours with Disposable Batteries
• Conductivity Accuracy (±): 5 %
• Conductivity Measuring Range: 01 μS/cm-199.9 mS/cm
• Dimensions: 57 in x 9.05 in x 3.94 in (40 mm x 230 mm x 100 mm) (HxLxW)
• Measurement Range (Temperature): -5 °C ;  110 °C
• Measurement Range: -1,999 mV -  1,999 mV
• Net Weight: 77 lb (0.35 kg)
• pH Accuracy: 01
• pH Measuring Range: -2 - 16
• pH Resolution: 01
• Resistivity Measurement Range: 0 MOhm – 20 MOhm
• Resistivity Resolution: 01 MOhm
• Resolution (Voltage): 1 mV
• Temperature Compensation: Automatic
• Temperature Resolution: 1 °C
• Temperature Sensor: 30 KΩ NTC
• Working Environment: 41°F – 104°F, 80%RH, non-condensing (5°C – 40°C, 80%RH, non-condensing)

ST400M Compatible Probes:

• pH electrode, IP67, 3m cable – ST320
• Conductivity Probe, IP67, 3m cable – STCON3

Starter Series Data Sheet
ST400M Manual