Complete white differential pressure sensor with two blue-marked pressure ports in three-quarter view

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差動圧力センサー

A compact low-range sensor that detects the pressure difference between a cleanroom and reference space for control, display or alarm input.

Low-Range MEMS Measurement
Dual Reference Ports
Fast Room Response
Zero Adjustment Access

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商品紹介

This differential pressure sensor uses a silicon MEMS element to measure the small pressure differences found across cleanroom doors, walls, filters and airflow devices. Separate high and low ports accept clean tubing from the monitored and reference sides. The compact module can mount inside a room controller or protected enclosure, keeping the sensitive element away from direct handling. Temperature compensation and accessible zero adjustment support stable readings near zero where room-pressure decisions are made.

主要な特徴

Low full-scale ranges provide useful resolution for cleanroom pressure cascades.

Barbed high and low ports keep the reference direction physically clear.

Temperature-compensated MEMS sensing reduces drift across normal indoor conditions.

Compact board or enclosure formats integrate into displays, controllers and transmitters.

お客様の製品に関する懸念事項

Near-zero differential pressure is easily distorted by tubing errors, sensor drift and excessive measurement range.

A high-range sensor shows little change across the cleanroom operating band.A low-range MEMS element provides finer resolution around the required pressure setpoint.

Reversed tubing makes positive rooms appear negative.Clearly marked high and low ports preserve the intended reference direction.

Small zero drift creates false alarms when the room is stable.Accessible zero adjustment and temperature compensation reduce offset near zero.

Direct exposure to cleaning activity damages the sensing element.Remote pressure tubing allows the sensor module to remain in a protected enclosure.

典型的な用途

Room-to-corridor pressure sensingAirlock differential measurementHEPA filter pressure monitoringLow-pressure airflow devices

技術的なパラメータ

Typical materials and dimensions for a cleanroom low-range differential pressure sensor are listed below.

コア材料	Silicon MEMS sensing die with glass-filled polymer body and nickel-plated brass pressure ports
パネルの厚さ	18-35 mm sensor body depth
有効幅	35-80 mm housing width
最大長さ	Up to 120 mm housing length
鋼鉄の厚さを直面する	0 mm; non-metallic sensor housing
コア密度	1350-1550 kg/m³ for glass-filled polymer housing
熱伝導率	0.25-0.40 W/(m·K) for reinforced polymer housing
表面仕上げ	Smooth white or light-gray polymer housing with blue high-low port markings
ジョイントタイプ	Dual barbed pressure ports with board connector or pluggable electrical terminal
カスタマイズ	意図したアプリケーションと動作環境に基づいて利用できます。

利用可能なオプション

Positive, negative or bidirectional rangeBoard-mount or enclosed formatAnalog or digital outputAutomatic zero function

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