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A conductivity and temperature sensor for use with HOBO MX800 Series Water Loggers
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The conductivity sensor is an interchangeable sensor that works with HOBO MX800 Series Water Loggers to measure conductivity and temperature. With this sensor attached to a HOBO MX800 Series Water Logger, the logger can also calculate specific conductance, salinity, and total dissolved solids (TDS).
The conductivity sensor can be attached directly to the fully submersible MX801 model, or attached via cable to the direct read MX802 model, which doesn’t require having to pull the sensor out of the water to download data.
Features
| Conductivity Measurements | |
| Measurement Range | Electrical conductivity and specific conductance: 0 to 100,000 µS/cm Salinity using PSS-78: 2 to 42 PSU Total Dissolved Solids (TDS): 0 to 100,000 mg/L |
| Calibration Range | Electrical conductivity: 50 to 80,000 µS/cm | 5° to 35°C (41° to 95°F) |
| Accuracy | Conductivity: +/-2% or 15 µS/cm whichever is greater Salinity: +/-2% of reading or 0.1 PSU, whichever is greater |
| Resolution | Conductivity: 0.1 µS/cm from 0 to 1,000 µS/cm 1 µS/cm from 1,000 to 10,000 µS/cm 10 µS/cm from 10,000 to 100,000 µS/cm Salinity: 0.01 PSU TDS: 0.1 mg/L |
| Response Time | 1 second to 90% at a stable temperature |
| Temperature Measurements | |
| Range | -20° to 50°C (-40° to 122°F), non-freezing water |
| Accuracy | ±0.15°C (±0.27°F) from 0° to 50°C (32° to 122°F) |
| Resolution | 0.01°C at 25°C (0.018°F at 77°F) |
| Response Time | 3 minutes to 90% in water (typical) |
| Drift | <0.1°C (0.18°F) per year |
| Sensor | |
| Dimensions | 2.5 cm (1 inch) diameter, 15 cm (6 inches) length |
| Wetted Materials | Passivated 316 Stainless steel housing rated for use in saltwater, Viton and Buna-N O-rings, PET sensor connector Conductivity sensor: PET, platinum plating on electrodes Note: Sensor should be mounted so that it is not in contact with other metals |
| Environmental Rating | IP68; Waterproof to 100m |
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