SenTec

PMD260 micro pressure sensor

PMD260 series micro pressure sensor adopts silicon MEMS micro-pressure chip, after temperature compensation, linear compensation, signal amplification, V/I conversion, surge discharge, reverse polarity protection and other transmission circuit signal processing, output industry standard 4 ~20mA signal. All digital calibration, no movable potentiometer, temperature drift performance and stability are improved.

PMD260 series micro pressure sensor adopts silicon MEMS micro-pressure chip, after temperature compensation, linear compensation, signal amplification, V/I conversion, surge discharge, reverse polarity protection and other transmission circuit signal processing, output industry standard 4 ~20mA signal. All digital calibration, no movable potentiometer, temperature drift performance and stability are improved.

This series of products adopts two kinds of isolation methods of chips. For products with a range of less than 5kPa, the chip is protected by elastic silicone gel, which is mainly used for differential pressure measurement of non-corrosive gases of silicon and silicone gel; the range of 5kPa and above, the chip is protected by a 316L stainless steel isolation diaphragm, filled with silicone oil, It is suitable for medium measurement without corrosion to stainless steel.

Parameters

Items

Parameter

Range0Pa~200Pa…100kPa
Overload capability≤ 3 times full scale
Pressure TypeD (differential pressure)
Accuracy0.2% (custom), 0.5% (typical), 1.0% (maximum)
Long-term stability±0.2%FS/year (typical), ±0.5%FS/year (maximum)
Zero temperature drift±0.02%FS/°C, ±0.03%FS/°C
Sensitivity temperature drift±0.02%FS/°C, ±0.03%FS/°C
Compensation temperature0°C~50°C
Medium temperature-30°C~70°C
Power supply12 ~ 30VDC
Output Signal4mA~20mA

0V~10V (output range can be customized)

Load ResistanceCurrent type: ≤ (U-12) / 0.02 (Ω)
Protection levelIP65

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