Keller M8cool HB miniature pressure transmitter

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The M8cool HB is a high-speed miniature pressure transmitter from Keller designed to measure both static and dynamic pressure. The M8cool features an M8 pressure connection and is designed for media compatibility, as well as supporting measurements carried out at temperatures up to 1000°C when equipped with appropriate cooling.

The sensor features an analog signal path that is readjusted in real time using a high-precision digital compensation circuit. This is to maintain the full dynamic range of the sensor and the accuracy of the measurement signal across 0–50 kHz bandwidth. The series M8cool HB also features a stable silicon sensor backside-soldered to a supporting element that makes it suitable for measurements in fluid dynamics. The dynamic range of 0–50 kHz exhibited by the sensor is supported by a practically flush connection to the measurement media. The micromechanical design delivers absolute measuring ranges of 3, 10 and 30 bar and overpressure protection of up to five times measurement range, while effectively isolating the mounting forces.

The M8cool HB pressure transmitters are suitable for use in high-temperature and hostile environments such as engine test benches, due to their broad operating temperature range. The sensor is insensitive to shock and vibrations and the sensor head can withstand up to 200°C or up to 1000°C cooling. The unit is provided with a Teflon FEP cable with an IP67 ferrule.