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トランスデューサー Ashcroft GC30のPDF クイック・スタート・マニュアルをオンラインで閲覧またはダウンロードできます。Ashcroft GC30 7 ページ。 Ultra-compact digital differential pressure transducer
Ashcroft GC30 にも：インストールとメンテナンスの説明書 (20 ページ)

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Product Information Page

HVAC Filter Monitoring Application:

This example uses a GC30 differential pressure transmitter with 0 to 1.00 IWC range with two NPN

switches. The transmitter shall be programmed to activate the audible alarm when differential pressure

reaches 0.500 IWC with output 1 switch and to shut down the system if differential pressure reaches

0.750 IWC with output 2 switch by using external relays with normally open contacts for the audible

alarm and normally closed for the heating/cooling system. The outputs will reset at 0.200 IWC after the

filter is cleaned or replaced.

Installation:

Connect transmitter, relays, audible alarm and heating/cooling shutdown system per application,

diagrams below and manual instructions.

All specifications are subject to change without notice.

All sales subject to standard terms and conditions.

Figure 3 – Switch Schematic

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Rev. A 02/17, Page 2 of 7