Rexroth Pressure transducer HM20 R901466598

Features

▶ Measuring pressures in hydraulic systems

▶ 8 measurement ranges up to 630 bar

▶ Sensor with thin film measuring cell

▶ Components that are in contact with the media are made of stainless steel

▶ Operational safety due to high bursting pressure,reversed polarity, overvoltage and short-circuit protection

▶ Characteristic curve deviation <0.5%

▶ Non-repeatability <±0.05%

▶ Ambient temperature range –40 … +85 °C

▶ Marine approval DNV for all variants with current output

Technical data

Weight kg 0.06

Nominal temperature range °C –25 ... +80

Ambient temperature range °C –40 ... +85

Storage temperature range °C –40 ... +80

Medium temperature range °C –40 ... +90

Sine test according to DIN EN 60068-2-6 10 ... 2000 Hz/maximum of 10 g/10 cycles/3 axes

Noise test according to DIN EN 60068-2-64 20 … 2000 Hz / 14 gRMS / 24 h / 3 axes

Transport shock according to DIN EN 60068-2-27 15 g / 11 ms / 3 axes

Pressure port 1) G1/4 threaded port according to DIN 3852 form E 

Housing materials V4A (1.4404), PEI, HNBR

Material process interface with measuring cell 1.4542 (17-4 PH / 630); seal ring NBR

Throttle material 1.4305

Throttle element In the pressure channel of the process interface. It corresponds 

to a nozzle of 0.3 mm and reduces the risk of damage during 

highly dynamic effects such as pressure peaks or cavitation.

Pressure media HL, HLP, HFC, nitrogen 2), others upon request

Tightening torque ▶ Hydraulic connection <400 bar Nm 20 … 25

≥400 bar Nm 25 … 30

▶ Mating connector Nm 0.6 … 1.5 3)

Electrical connection Device connector, 4-pole, M12 x 1 at the housing 4)

Protection class according to EN 60529 IP65/IP67 (if suitable and correctly mounted mating 

connectors are used)

Life cycle 60 million load cycles or 60000 h

Conformity ▶ CE according to the EMC directive

▶ UKCA according to "UK EMC Regulations"

Approvals cULus-listed

DNV marine certification

(For marine applications within the scope of marine approval, 

additional surge protection is required! Based on 

IACS-Unified Requirements E 10)