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Description
- Component series 2X
- Maximum operating pressure 630bar
- Pressure ratings 10, 50, 100, 160, 250, 315, 400 and 630 bar
- cULus-listed
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
- Accuracy class 0.5
- Excellent non-repeatability < 0.05 %
- Wide operating temperature range –40 ... +85 °C
- Marine approval DNV-GL for all variants with current output
Product description
Pressure transducers are used to monitor and control hydraulic pressures. They transform the measured pressure into a normalized, linear, electrical output signal.
Type code
| 01 | 02 | 03 | 04 | 05 | 06 | ||||
| HM20 | – | 2X | / | – | – | K35 |
| 01 | Pressure transducer | HM20 |
| 02 | Component series 20 ... 29 (20 ... 29: unchanged installation dimensions and pin assignments) | 2X |
| 03 | 10 bar | 10 |
| 50 bar | 50 | |
| 100 bar | 100 | |
| 160 bar | 160 | |
| 250 bar | 250 | |
| 315 bar | 315 | |
| 400 bar | 400 | |
| 630 bar1) | 630 | |
| 04 | Current output 4 to 20 mA 2) | C |
| Voltage output 0.1 to 10 V | H | |
| 05 | Connector, 4-pole, M12x1 | K35 |
| 06 | Without throttle element | ohne Bez. |
| Throttle element (corresponds to 0.3 mm nozzle) 3), 4) | N |
| 1) | Only available with throttle element |
| 2) | With marine approval DNV-GL |
| 3) | Only available for versions with 250, 315, 400 and 630 bar |
| 4) | Highly dynamic effects in like pressure peaks or cavitation in hydraulic systems may damage the measuring cell. For these applications, devices with integrated throttle element [version "-N"] in the process interface have to be used. |
| Replacement seal ring | |
| Designation | Material number |
| Seal ring NBR | R900012467 |
Cable sets or mating connectors are not included in the scope of delivery; please order separately.
Technical data
General
| Component series | 2X |
Eingangsgrößen
| Operating voltage 1) | US | 16 … 36 VDC | ||||||||
| Residual ripple | UPP | 2.5 V (40 to 400 Hz) | ||||||||
| Maximum current consumption 2) | Imax | mA | ≤ 12 | |||||||
| Isolation resistance | R | MΩ | > 100 (500 VDC) | |||||||
| Pressure measuring ranges | pN | bar | 10 | 50 | 100 | 160 | 250 | 315 | 400 | 630 |
| 1) | With cULus: max. of 30 VDC is admissible |
| 2) | With voltage output |
Output parameters
| Output signal | admissible load | Current | ISig | 4 … 20 mA, RA = (US - 8.5 V) / 0.0215 A with RA in Ω and US in V | |
| Voltage | USig | 0.1 … 10 V, RA > 2 kΩ | |||
| Setting time (10 ... 90 %) | t | ms | < 1 | ||
| Accuracy class 1) | % | < 0.5 | |||
| Temperature coefficient | Zero point and range | < 0.1 % / 10 K | |||
| Hysteresis 2) | % | < 0.15 | |||
| Long-term drift (1 year) under reference conditions | % | < 0.1 | |||
| 1) | Related to the complete measurement range, including non-linearity, hysteresis, zero point and end value deviation (corresponds to the measuring deviation according to IEC 61298-2) |
| 2) | Related to the temperature range -20 … 80 °C |
Ambient conditions
| Ambient temperature range | ϑ | °C | -40 … +85 |
| Storage temperature range | ϑ | °C | -40 … +100 |
| Hydraulic fluid temperature range | ϑ | °C | -40 … +90 |
Other characteristics
| Pressure port 1) | G1/4 according to DIN 3852 form E, seal ring according to DIN 3869-14 | |||
| Material | Throttle | 1.4305 | ||
| Housing | V4A (1.4404), PEI, HNB | |||
| in contact with the medium | 1.4542, 1.4305, NBR | |||
| Pressure media 2) | HL, HLP, HFC, nitrogen, others upon request | |||
| Tightening torque range | Measurement ranges > 400 bar | MA | Nm | 20 … 25 |
| Measurement ranges ≥ 400 bar | MA | Nm | 25 … 30 | |
| Anschlussart 3) | 4-pole M12 connector at the housing | |||
| Protection class according to EN 60529 | IP65 / IP67 with mating connector correctly mounted and locked | |||
| Weight | m | kg | 0.06 | |
| Life cycle | 60 million load cycles or 60000 h | |||
| Admissible shock and vibration loads according to DIN EN 60068-2-27 | 15 g / 11 ms / 3 axes | |||
| Sine test according to DIN EN 60068-2-6:2008 | 10 ... 2000 Hz / maximum 10 g / 10 cycles / 3 axes | |||
| Noise test according to DIN EN 60068-2-64 | 20 … 2000 Hz / 14 g RMS / 42 g peak / 24 h / 3 axes | |||
| Electro-magnetic compatibility | EMC EN 61000-4-2 ESD | 4 kV CD / 8 kV AD with BWK B | ||
| EMC EN 61000-4-3 HF radiated | 10 V / m (80 ... 2700 MHz) with BWK A | |||
| EMC EN 61000-4-4 Burst | 2 kV with BWK B | |||
| EMC EN 61000-4-5 Surge | 1 kV / 42 Ω with BWK B | |||
| EMC EN 61000-4-6 HF line-bound | 10 Veff (150 kHz ... 80 MHz) with BWK A | |||
| EMC EN 61000-4-8 Magnetic field 50/60 Hz | 100 A/m with BWK A | |||
| EMC EN 61000-4-9 Magnetic field pulsed | 1000 A/m with BWK A | |||
| EMC EN 55016-2-1 Interference voltage | 0.15 ... 30 MHz, class A, EN 55022 | |||
| EMC EN 55016-2-3 Radio interference field strength | 30 ... 1000 MHz, class B, EN 55022 | |||
| Conformity | CE according to the EMC directive | |||
| Further tests | cULus-listed | |||
| 1) | Thorough bleeding must be ensured |
| 2) | Maximum of 300 bar is admissible |
| 3) | Recommendation: Use of shielded connection cable, see accessories |
(For applications outside these values, please consult us!)
Electrical connection
| Voltage | Current (two-wire system) |
Values for US, RA and USig, see Technical data | Values for US, RA and USig, see Technical data |
Dimensions
Dimensions in mm
| 1 | Pressure port G1/4 male thread |
| 2 | Seal ring |
| 3 | 4-pole M12 connector |
Accessories
Mating connectors for sensors and valves with connector “K24”, “K35” and “K72”, M12 x 1, with assembled connection line, cable shielded
4P M12 +
Mating connectors for sensors and valves with connector “K24”, “K35” and “K72”, M12 x 1, with assembled connection line, cable shielded
4P M12 +
- For sensors and valves with connector “K24”, “K35” and “K72”
- Cable sets M12, 4-pole, line cross-section 0.34 mm2
Ordering codes
HM20-2X/--K35Result count18 von18Display results listSeriesComponent series 20 ... 29(20 ... 29: unchanged installation dimensions and pin assignments)2XComponent series 20 ... 29Measurement range – Pressure rating maximum [bar]100160250315400Only available with throttle element630Current / Voltage outputWith marine approval DNV-GLCCurrent output 4 to 20 mAHVoltage output 0.1 to 10 VConnectorConnector, 4-pole, M12x1Cable sets or mating connectors are not included in the scope of delivery; please order separatelyK35Connector, 4-pole, M12x1Throttle elementWithout throttle element(corresponds to 0.3 mm nozzle) Only available for versions with 250, 315, 400 and 630 bar.NThrottle elementYou have successfully finished your selection.DocumentationAdd to basketProduct descriptionData sheetRequest CADProduct description
Type code:HM20-2X/--K35
Material number:| The following data were selected. | ||
|---|---|---|
| Series | 2X | Component series 20 ... 29 |
| Connector | K35 | Connector, 4-pole, M12x1 |
Downloads
 | Pressure transducer for hydraulic applications Data Sheet | RE30272 | 2022-02-01 | English | PDF | 354k Product Groups: Pressure sensors Type HM20 |
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