Accuracy
Conductivity measurement
Display deviation
1
max. 0.5 % of meas. value ± 4 digits
Repeatability
max. 0.2 % of meas. value ± 2 digits
Measurement deviation
1
, conductivity signal output
0.75 % of current output range
Resistance measurement
Display deviation
1
max. 0.5 % of meas. value ± 4 digits
Repeatability
max. 0.2 % of meas. value ± 2 digits
Measurement deviation
1
, resistance signal output
0.75 % of current output range
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 (nom. operating conditions)
–10 ... +55 °C
Ambient temperature (limit operating conditions)
–20 ... +60 °C
Storage and transport temperature
–25 ... +65 °C
Relative humidity (nom. operating conditions)
10 ... 95 %,non-condensing
Protection class of panel-mounted unit
IP 54 (front), IP 30 (housing)
Protection class of field housing
IP 65
Electromagnetic compatibility
interference emission and interference immunity
acc. to EN 61326-1:1998
Physical data
Dimensions of panel-mounted unit (H × W × D)
96 × 96 × 145 mm
Installation depth
approx. 165 mm
Dimensions of field housing (H × W × D)
247 × 170 × 115 mm
Weight of panel-mounted unit
max. 0.7 kg
Weight with field housing
max. 2.3 kg
Measured value display
LC display, two lines, five and nine digits, with status
indicators
Materials
Housing of panel-mounted unit
polycarbonate
Front membrane
polyester, UV-resistant
Field housing
ABS PC Fr
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
fine-wire fuse, medium time-lag, 250 V / 3.15 A
1
According to IEC 746-1, for nom. operating conditions
Subject to modifications.
%
Ω
°C
LM253E11.CHP
Liquisys M CLM 223 / 253
Technical data
Hauser
71
