Accuracy
Turbidity measurement with CUS 31
Measured value resolution
0.001 FNU, 0.01 ppm, 0.01 g/l, 0.01 %
Display deviation
1
±2 % of measured value (at least 0.02 FNU)
Repeatability
1
±1 % of measured value (at least 0.01 FNU)
Measurement deviation
1
turbidity signal output
1 % of current output range (at least 0.02 FNU)
Solids content measurement with CUS 41
Measured value resolution
0.01 FNU, 0.01 ppm, 0.01 g/l, 0.01 %
Display deviatoin
1
±2 % of measured value (at least 0.02 FNU)
Repeatability
1
±1 % of measured value (at least 0.01 FNU)
Measurement deviation
1
, solids concentration
signal output
1 % of current output range (at least 0.02 FNU)
Temperature measurement
Measured value resolution
0,1 °C
Display deviation
1
max. 1.0 % of measuring range
Measurement deviation
1
temperature signal output
max. 1.25% of current output range
Ambient conditions
Ambient temperature (nominal operating conditions)
–10 ... +55 °C
Ambient temperature (limit operating conditions)
–20 ... +60 °C
Storage and transportation temperature
–25 ... +65 °C
Relative humidity (nominal operating conditions)
10 ... 95 %, non-condensing
Ingress protection of panel-mounted instrument
IP 54 (front panel), IP 30 (enclosure)
Ingress protection of field instrument
IP 65
Pollution degree
2 acc. to IEC 61010-1
Installation category
II
Maximum altitude
2000 m above sea level
Electromagnetic compatibility
Interference emission and immunity acc. to
EN 61326: 1997/ A1: 1998
Mechanical construction
Dimensions of panel-mounted instrument (H × W × D)
96 × 96 × 139 mm
Installation depth
approx. 165 mm
Dimensions of field instrument (H × W × D)
247 × 170 × 115 mm
Weight of panel-mounted unit
max. 0.7 kg
Weight of field instrument
max. 2.3 kg
Measured value display
LC display, 2-line, 5- and 9-digit with status displays
Materials
Housing of panel-mounted unit
Polycarbonate
Front membrane
Polyester, UV-resistant
Field housing
standard version
CSA GP version
ABS PC Fr
Polycarbonate
Power supply
Supply voltage
100 / 115 / 230 V AC +10 / –15 %, 48 ... 62 Hz
24 V AC/DC +20 / –15 %
Power consumption
max. 7.5 VA
Mains fuse
Microfuse, medium slow 250 V / 3.15 A
1
According to IEC 746-1, for nominal operating conditions
Subject to modifications.
%
Ω
°C
UM253E10.CHP
Liquisys M CUM 223 / 253
Technical data
Hauser
75
