Conductivity

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Conductivity sensors are measuring devices that measure the ability of a measuring medium to conduct electric current between two electrodes. The current flows by ion transport. This means that measuring media with a higher number of ions conduct the current…  Read more

Brochure
Measurement technology Conductivity
Measurement principle Conductivity with two graphite electrodes
     
Parameter Conductivity
Measurement range 0.00 µS… 20000 µS
Measurement accuracy ±0.5 µS at 20 µS ± 5 µS at 200 µS ± 50 µS at 2000 µS ± 500 µS at 20000 µS
Response time T90 < 60s
Temperature compensation Via NTC
     
Housing material PVC housing, graphite electrodes
Dimensions (L x Ø) 220 mm x 33 mm ~ 8.7“ x 1.3“
     
Interface RS485 (Modbus RTU)
Power supply 12…24 VDC
Connection 8-pin M12 connector, cable length 2 m or 10 m
Maintenance interval 2 years
System compatibility Modbus RTU
Warranty 1 year (EU & US: 2 years) on electronics; wear parts are excluded from the warranty
     
Process pressure 10 bar ~ 145 psig
Calibration method One-point calibration with standard measuring solution
     
Process temperature 0…50°C ~ +32 °F to +122 °F

Conductivity sensors are measuring devices that measure the ability of a measuring medium to conduct electric current between two electrodes. The current flows by ion transport. This means that measuring media with a higher number of ions conduct the current better.
A conductivity detector is used for digital measurements of conductivity in pure or process water.