Liquisys M CLM223/253 Technical data
Endress+Hauser 113
12.4 Performance characteristics
Reference operating
conditions
Reference temperature: 25 ˚C (77 ˚F)
Measured value resolution
Conductivity Depends on measured value; 0.001 μS/cm up to a
measured value of 1.999 μS/cm and k ≤ 0.5 cm
-1
Temperature 0.1 °C
Maximum measured error Display
Conductivity Max. 0.5 % of measured value ± 4 digits
Resistance Max. 0.5 % of measured value ± 4 digits
Temperature Max. 1.0 % of measuring range
Signal output
Conductivity Max. 0.75 % of current output range
Resistance Max. 0.75 % of current output range
Temperature Max. 1.25 % of measuring range
Measured errors in accordance with DIN IEC 746 Part 1, at rated operating conditions
Repeatability Max. 0.2% of measured value ± 2 digits
Temperature compensation Range -35 to +250 °C (-30 to 480 °F)
Types of compensation Uncompensated, linear, NaCl, table
Conductive only: ultrapure water NaCl, ultrapure
water HCl
Offset Temperature ±5 °C for adjusting the temperature display
12.5 Environment
Ambient temperature
range
-10 to +55 °C (+10 to +130 °F)
Storage temperature –25 to +65 °C (-10 to +150 °F)
Electromagnetic
compatibility
Interference emission and interference immunity as per EN 61326-1:2006, EN
61326-2-3:2006
Degree of protection Field device IP 65 / integrity according to NEMA 4X
Panel-mounted device IP 54 (front), IP 30 (housing)
Electrical safety As per EN/IEC 61010-1:2010, overvoltage category II for installations up to
2000 m (6500 ft) above MSL
CSA Device versions with CSA General Purpose approval are certified for indoor use.