Appendix; 10.1 Technical Data - Endress+Hauser Liquisys CUM 252 Operating Instructions Manual

Appendix

10 Appendix

10.1 Technical data

Turbidity and solids concentration measurement with sensor CUS 31, CUS 41
Display and measuring range
Sensor CUS 31 . . . . . . . . . . . . 0 ... 9999 FNU, 0 ... 3000 ppm, 0 ... 3 g/l, 0 ... 200%
Sensor CUS 41 . . . . . . . . . . . 0 ... 9999 FNU, 0 ... 9999 ppm, 0 ... 300 g/l, 0 ... 200%
Measured value resolution
Sensor CUS 31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . auto range
Sensor CUS 41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . auto range
1)
Measurement deviation , display
1)
Reproducibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 0.2% of MR
TU signal input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . digital
TU signal output
Current range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 / 4 ... 20 mA
Measurement deviation
Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 500 Ω
Output range . . . . . . . . . . . . . . . adjustable, ∆ 0.1 FNU, ∆ 1g/l, ∆ 0.1%, ∆ 10 ppm
Temperature measurement
Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . NTC, 30 kΩ at 25 °C
Display range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –5.0 ... +70 °C
Measured value resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1 °C
1)
Measurement deviation , display
Temperature signal output (optional)
Current range . . . . . . . . . . . . . . . . . . . . . 0 / 4 ... 20 mA, galvanically separated
Measurement deviation
Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 500 Ω
Output range . . . . . . . . . . . . . . . . . . . . . .
Limit contactor
Limit adjustment range . . . . . . . . 0 ... 9999 FNU, 0 ... 9999 ppm, 0 ... 300 g/l, 0 ... 200%
Switching hysteresis . . . 0.00 ... 99.99 FNU, 0.00 ... 99.99 ppm, 0.0 ... 99.9 g/l, 0.0 ...99.9%
Pickup / dropout delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 ... 2000 s
Contact type (switchable) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MIN / MAX
1)
acc. to DIN IEC 746 part 1, for nominal operating conditions
44
. . . . . . . . . . . . . . . . . . . . . . max. 0.5% of MR
. . . . . . . . . . . . . . . . . . . . . . . . . max. 0.75% of MR
. . . . . . . . . . . . . . . . . . . . . . . . . 1.0% of MR
1)
. . . . . . . . . . . . . . . . . . . . . . . . . max. 1.25% of URV
liquisys CUM 252
adjustable, ∆ 10 ... ∆ 100% of URV
Endress+Hauser