Endress+Hauser Liquisys M CLM253 - Technical Data; Input

Technical data Liquisys M CLM223/253
108 Endress+Hauser
12 Technical data
12.1 Input
Measured variables Conductivity
Resistivity
Temperature
Measuring range Conductivity (conductive) 0 to 600 mS/cm (uncompensated)
Conductivity (inductive) 0 to 2000 mS/cm (uncompensated)
Resistance 0 to 200 MΩcm
Concentration 0 to 9999 (%, ppm, mg/l, TDS)
Temperature -35 to +250 °C (can also be displayed in °F)
Cell constant
Configurable cell constant k = 0.0025 to 99.99 cm
-1
Connectable temperature
sensors
Pt 100, Pt 1000, NTC 30K
Measuring frequency Conductivity, resistance (conductive) 170 Hz to 2 kHz
Conductivity (inductive) 2 kHz
Binary inputs
Voltage 10 to 50 V
Current consumption Max. 10 mA
Current input 4 to 20 mA, galvanically isolated
Load: 260 Ω for 20 mA (voltage drop 5.2 V)
12.2 Output
Output signal
HART
Signal encoding Frequency Shift Keying (FSK) + 0.5 mA via current output signal
Data transmission rate 1200 baud
Galvanic isolation Yes
PROFIBUS PA
Signal encoding Manchester Bus Powered (MBP)
Data transmission rate 31.25 kBit/s, voltage mode
Galvanic isolation Yes (IO modules)