10
Appendix
10.1
Technical data
1)
acc. to DIN IEC 746 part 1, for nominal operating conditions
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
Measurement deviation
1)
, display
. . . . . . . . . . . . . . . . . . . . . . max. 0.5% of MR
Reproducibility
1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 0.2% of MR
TU signal input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . digital
TU signal output
Current range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 / 4 ... 20 mA
Measurement deviation
. . . . . . . . . . . . . . . . . . . . . . . . . max. 0.75% of MR
Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 500
Ω
Output range . . . . . . . . . . . . . . . adjustable,
∆
0.1 FNU,
∆
1g/l,
∆
0.1%,
∆
10 ppm
Temperature measurement
Temperature sensor
. . . . . . . . . . . . . . . . . . . . . . . . . . . NTC, 30 k
Ω
at 25 °C
Display range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –5.0 ... +70 °C
Measured value resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1 °C
Measurement deviation
1)
, display
. . . . . . . . . . . . . . . . . . . . . . . . . 1.0% of MR
Temperature signal output (optional)
Current range . . . . . . . . . . . . . . . . . . . . . 0 / 4 ... 20 mA, galvanically separated
Measurement deviation
1)
. . . . . . . . . . . . . . . . . . . . . . . . . max. 1.25% of URV
Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 500
Ω
Output range . . . . . . . . . . . . . . . . . . . . . .
adjustable,
∆
10 ...
∆
100% of URV
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
Appendix
liquisys CUM 252
44
Hauser