The CS547A measures temperature with a thermistor. Electrical conductivity (EC) is measured with three cylindrical stainless-steel electrodes mounted in an epoxy housing. The electrode configuration eliminates ground loop problems associated with sensors in electrical contact with earth ground. The electrodes are ac coupled, and the datalogger applies a bipolar excitation. This process reduces electrochemical reactions, minimizes corrosion, and extends the probe’s life.
The CS547A is easy to clean and resistant to corrosion. It has rounded ends to facilitate installation and removal. The CS547A is shipped with a cell constant calibrated in a 0.01 molal KCl solution at 25°C. The solution has an EC of 1.408 mS cm-1.
Benefits & Features
Compatible with most Campbell Scientific dataloggers
Easy to clean
Rounded ends facilitate installation and removal
Compatible with AM16/32-series multiplexers allowing measurement of multiple sensors
Weighted option available for stand-alone submersion
Conductivity Measurement Range: ~0.005 to 7 mS/cm
Temperature Measurement Range: 0° to 50°C
Conductivity Accuracy: The EC accuracy is in a KCl and Na2SO4, NaHCO3, and NaCl Standard Solutions @ 25°C.
Thermistor Interchangeability: Typically < 0.2°C (over 0° to 50°C)
pH Operating Range: Solution pH of less than 3.0 or greater than 9.0 may damage the stainless-steel housing.
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