PTM pressure-sensor module
For system integration
The pressure-transmitter module (PTM) takes into account the general trend towards miniaturisation and cost effectiveness. Thanks to their optimised size, PTM-series sensors can be used easily and flexibly in applications where installation space is critical.
In addition, the modular design – which features numerous possibilities for electrical and mechanical interfaces – also permits simple integration into existing customer systems.
The use of a high-precision evaluation circuit directly on the ceramic pressure cell makes it possible to output a temperature-compensated analogue or digital signal. Stable and accurate measurements are achieved over a wide temperature range, even under harsh conditions.
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- Integration into control units for
- Braking systems
- Clutches
- Mobile hydraulics
- Pneumatic systems
Compact size
- Cost effective
- Can be integrated into applications where space is critical
Integrated evaluation electronics
- Stable and accurate measured values over a wide temperature range
- Customer-specific output signal, temperature-compensated (analogue, LIN)
- Diagnostic and protective functions
Variety of electrical and mechanical connections available
- Easy adaptation into existing systems
Ceramic measuring element
- Very good fluid compatibility
Measurement range | |
Nominal pressure | 10–100 bar |
Over pressure | 2× nominal pressure |
Burst pressure | 3× nominal pressure |
Electrical characteristics | |
Supply voltage | 5 V |
Output signal | 0.5–4.5 V (ratiometric) LIN PWM |
Overvoltage protection | up to 33 V |
Polarity-reversal resistance | up to 33 V |
Mechanical characteristics | |
Measuring element | Ceramic cell with resistive measuring bridge |
Pressure connection | As per customer requirements |
Electrical connection | Flex conductor connection, stranded wire, solder contacts 1) |
Installation position | Any |
Weight | approx. 5 g |
Accuracy | |
Total error 2) |
± 0.5 % FS (25 °C) ± 1 % FS (0–90 °C) ± 3 % FS (–40–125 °C) |
Environmental conditions | |
Operating temperature range | –40–125 °C |
Media temperature range | –40–125 °C |
Media compatibility | Hydraulic oils, ATF, exhaust gas, brake fluid |
1) Other connections available on request 2) Includes repeatability, hysteresis, non-linearity (TBL), calibration and temperature effects |
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