Industrial Hydraulics

Bosch Rexroth AG Industrial Hydraulics 121
Electronic components
Pressure transducers
< For measuring steady-state or dynamic pressures and for converting the measured signals
into electrical signals
< Sensor in thin-film technology
< Integrated voltage regulator with reverse polarity and overvoltage protection
< Measuring amplifier with voltage or current output
< Various plug-in variants
Types HM 17, HM 18
Technical data HM 17 HM 18
Operating voltage UB V 19 to 36 14 to 28
Accuracy class 0.5 0.5
Output signal (alternative) U V 0 to 5; 0.1 to 10 0 to 5; 0 to 10; 1 to 6
I mA 4 to 20 4 to 20
Pressure range p bar 50 to 600 60 to 350
Operating temperature range ϑ °C – 10 to + 80 – 10 to + 80
Programmable electronic pressure switches
< Suitable for measuring pressures and converting the measured values into electrical signal
variables and displaying them
< Programming options (hysteresis/window; make-contact/break-contact; pick-up, drop-out
delay; display unit; two switching or one analogue and one switching output
< 4-digit alphanumerical display
< Due to EMC also suitable for critical applications
< Sensor ceramic/capacitive
< 4-pin M12 plug-in connector on housing
< G 1/4 connection thread
Type HEDE 10
Technical data
Operating voltage UB V 18 to 36
Accuracy class 1.0
Switching output I mA 250 (current carrying capacity)
Output signal U VDC 0 to 10
I mA 4 to 20
Pressure range p bar 100 to 600
Medium temperature range ϑ °C – 20 to + 80
Detailed information:
– Type HM 17: RE 30269
– Type HM 18: RE 30271
Detailed information:
RE 30275