IMP-LR – Low Pressure Transmitter from 25mbar

The IMP-LR pressure transmitter has been designed for applications where the IMP standard industrial pressure transmitter cannot cater for the pressure ranges. The IMP is limited to 500mbar as it uses a ceramic based piezo-resistive pressure sensor but the NEW IMP-LR offers pressure ranges from as low as 25mbar through to 1000mbar gauge, absolute ranges also available on request.

Based on an Oil filled isolated diaphragm silicon pressure sensor the IMP-LR can offer accuracy of <0.25% as standard with the option of linearity correcting to <0.1% FS BFSL if required. Being an isolated diaphragm silicon pressure sensor the transmitter can be used on both liquids and gases. The sensor is installed in the stainless steel housing and sealed on an O ring which means by selecting the correct material these pressure transmitters be used on a wide variety of applications and medias.

The pressure transmitter is built in our factory in Aldermaston in a modular format so when required it is taken from stock pre-assembled. We then calibrate the sensor using the automated calibration system via the ASIC based digital electronics. This means there are no internal pots giving a very stable output with good long term stability. The transmitter build is finished by simply selecting the correct electrical connector and issuing the calibration certificate which comes as standard with every sensor. The choice of electrical connections include both small and large Hirschmann style plug & sockets, M12 and binder connectors, IP66 and IP68 cable glands and MIL-Spec connectors also.

Available outputs include the standard 4-20mA current and a variety of voltages both ratiometric and non-ratiometric all of which are temperature compensated as standard. The IMP-LR is also suitable for all types of installation and complies to the latest standards in CE, EMC and RFI protection.

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