0~30bar Low Range Accurate 4~20mADC 1~5VDC Water Liquids Oil
Differential Pressure TransmitterDescriptionMDM490 uses
piezoresistive sensor as the sensing element, silicon oil is filled
between the die and two diaphragms. When the measured differential
pressure is added on the two diaphragms, the pressure could be
transferred onto the die through silicon oil. The sensor die
connects with an amplifier circuit through wires, uses the
semiconductor's piezoresistive effect to transform the differential
pressure signal into the electric signal. Since the signal output
of the Wheatstone bridge on the die has a good linear relationship
with the differential pressure, the differential pressure can be
accurately measured.Features• Intrinsic safety product, Ex ia IIC
T6 Ga• Laser welding, full-sealed structure• Temperature
compensation and aging, stable and reliable performance• Zero and
span adjustable outside• CE, RoHS and CCS
approved Application• Petroleum industry• Chemical industry•
Electricity industry• HydrologyCertificates• CE;• RoHS;•
ISO SpecificationOrder GuideMDM490Piezoresistive Differential
Pressure Transmitter CodePressure range: kPa or
MPa X[0~X]kPa or MPaCodePressure
rangekPaoverpressurekPaCodePressureRange
MPaOverpressure
MPa+-+-0A0~357035090~0.71.40.7020~7015070100~1.02.01.0030~100200100120~2.04.01.007 0~200400200130~3.57.01.0080~350700350 CodeOutput
signalE4~20mADCF1~5VDCJ0~5VDCQ0~10mADCU0~20mADCV0~10VDC CodeConstruction
material DiaphragmPressure portHousing 22SS
316LSSSS 24SS 316LSS 316LSS
316L CodeOthers C4G1/4 female B1Plug
connection B2Cable connection Default
length: 1.5m M331/2LCD digital indicator(only
4~20mADC) M431/2LED digital indicator (only
4~20mADC) iIntrinsic safe version ExiaIICT6(>35kPa)
/ExiaIIBT6Ga(
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