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M01

Pressure sensor

The Pressure Transmitter M01 has been developed especially for use in commercial vehicles and mobile machines. It is based on a thin-film measurement cell made from stainless steel which is welded together with the pressure sensor and thus guarantees high media compatibility.

TECHNOLOGIES

The mechanical and electronic characteristics of the M01 series have been especially designed for applications in adverse ambient conditions; in the same way value is placed on high resistance to aggressive media. Furthermore, the modular principle of the M01 series permits a large number of combinations of pressure connection, pressure range, electrical output signal and electrical connection, meaning that the right pressure transmitter can be found for almost any application. Over and above this, we also offer the possibility of producing and supplying OEM versions.

Silicon measurement cells are used for low pressure ranges from 0.25 bar to 4.0 bar. These can be used at media temperatures from −40 °C to +85 °C. For pressure ranges from 10 bar to 2000 bar, which are frequently required for use on mobile machines, welded stainless steel measurement cells are used which are suitable for media temperatures from −40 °C to +150 °C.

Depending on the type of measurement cell and the material coming into contact with the media, the M01 Pressure Transmitters are resistant to aggressive or non-aggressive gases and liquids. On request, versions in 316L design for use in hydrogen pressure measurements are available. In addition to CE and UL certificates, every product in the M01 series with a 1.4542 stainless steel measurement cell possesses an E1 approval verifying its suitability for use in vehicles.

Statements
M01 is a product of
Sensor-Technik Wiedemann GmbH
All rights are reserved.

Specifications

Pressure range, gauge0 … 0.25 bar to 0 … 2000 bar, other ranges available
Pressure referencerelative R (gauge G) / absolute Arelative R (gauge G)
Standard pressure range 0.25 bar 0.4 bar 1 bar 1.6 bar 4 bar 10 bar 0 bar 25 bar 50 bar 100 bar 250 bar 400 bar 800 bar 1200 bar 2000 bar*
Overload pressure
(per DIN EN 60770-1)
0.63 bar 1 bar 2.5 bar 2.5 bar 10 bar 20 bar 40 bar 40 bar 100 bar 200 bar 500 bar 800 bar 1000 bar 1600 bar 2200 bar
Bursting pressure
(per DIN EN 60770-1)
0.75 bar 1.2 bar 3 bar 3 bar 12 bar 30 bar 70 bar 70 bar 500 bar 1000 bar 2500 bar 4000 bar > 4000 bar > 4000 bar > 4000 bar
Media temperature−40 … +85 °C / -40 ... +185 °F−40 … +150 °C / -40 ... +302 °F
Operating and storage temperature−40 … +85 °C / -40 ... +185 °F−40 … +125 °C (-25 … +85 °C at cable output)
−40 … +257 °F (-13 … +185 °F at cable output)
Material with medium contactStainless Steel AISI 630 (DIN 1.4542)
and Silicon (For applications with non-aggressive gases and fluids or substances
which do not react with glass or silicon)
Stainless Steel
AISI 630 (DIN 1.4542),
AISI 316 L (DIN 1.4435) on request
Overall accuracy at operating temperature≤ 1.0 %FS (0 ... +85 °C) / (32 ... +185 °F)
≤ 2.5 %FS (−40 ... 0 °C) / (−40 ... +32 °F)
≤ 0.5 %FS (0 … +105 °C) / (32 … +221 °F)
≤ 1.5 %FS (−40 … 0 °C and +105 … +125 °C) / (−40 … +32 °F and +221 … +257 °F)
Thereof linearity, pressure hysteresis and repeatability
(Linearization with limit point setting)
< 0.25 %FS
Material wetted parts and housingStainless steel, AISI 304 (DIN 1.4301)
Material connectorglass-fiber reinforced plastic (PBT) or AISI 304 (DIN 1.4301)
Installation torquemax. 35 Nm
Long-run stability< 0.2 %FS p.a.
Voltage supply (DC)U VCC : 9 … 36 V
U VCC : 14 … 36 V (for transmitter with 0 … 10 V voltage output)
U VCC : 5 V ± 10 % (for transmitter with ratiometric output)
allowable ripple at 50 Hz: 10 %
CANSampling Rate
Digital Filter
Output protocol
Electrical connection
1000 Samples/s (max.)
averaging adjustable
STW-CAN, CANopen, SAE J1939
M12 connector, DIN Bayonet (per DIN 72585), DT04 4-pole, cable output
AnalogOutput signal4 … 20 mA (2-wire technique), 0/4 … 20 mA (3-wire technique), 0 … 10 V, 0 … 5 V, 1 … 6 V, 10 … 90 %VCC (ratiometric output)
Other output signals on request
Electrical connectionM12 connector, DIN bayonet (per DIN 72585); DT04 4-pole; DT04 3-pole, AMP-SuperSeal 1.5; cable output
Other connectors on request
Electrical protectionShort circuit protected, signal on GND/VCC and inverse polarity protection (not at ratiometric output)
Pressure connectionG 1/4, 1/4 NPT, G 1/4 with manometer pin, SAE04 (7/16-20UNF), SAE06 (9/16-18UNF),
other pressure connectors on request, possible limitations of the pressure range
Protection classIP6K7 or IP6K9K (depends on the electrical connection)#colspan##colspan#
* For common-rail applications
Functional safety
Pressure switch M01 (analog and CAN)Acc. DIN EN ISO 13849-1: Performance Level b
Cat. = B
MTTFd = High
DC = None
CCF = Not relevant
  • Optional software package for CAN interface setting parameters

Code: 1140203000200 PRESSURE SENSOR M01 G¼ M12

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