Technical specification

 Supply voltage

 HLM–25S–_ _ _ _–I

 HLM–25S–_ _ _ _–U

 12 ... 36 V DC

 16 ... 36 V DC

 Current output 

 Voltage output

 HLM–25S–_ _ _ _–I

 HLM–25S–_ _ _ _–U

 4 ... 20 mA 

 0 ... 10 V

 Power consumption (off-load)

 HLM–25S–_ _ _ _–U

 Max. 8 mA

 Pressure permissible overload

 1.5x range

 Basic error – accuracy (hysteresis, repeatability, non-linearity)

 Typ. 0.5% of range 

 Max. 0.7% of range

 Long-term stability

 0.3 % / Year

 Temperature error 

 (for 0 ... +50°C)

 Range 1 ... 5 m H2O

 Range 5 ... 10 m H2O

 Range 10 ... 100 m H2O

 Max. 0.04% / K

 Max. 0.03% / K

 Max. 0.02% / K

 Compensated temperature range

 0 ... +50°C

 Ambient temperature range (medium temperature)

 -20 ... +70 °C

 Maximal load resistance for current output (U = 24 V DC)

 Rmax= 600 Ω

 Minimal load resistance for voltage output

 Rmin= 1 kΩ

 Protection class

 IP68

 Used materials

 Probe housing 

 Membrane

 Pressure transducer cap 

 Cable sheath

 Cable gland

 St. steel W.Nr. 1.4305 (AISI 303) 

 St. steel W.Nr. 1.4435 (AISI 316L) 

 Plastic HDPE

 Plastic PE 

 silicone

 Weight

 Sensor 

 Cable (1 m)

 190 g 

 60 g