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廈門市哈德沃克電子科技有限公司專業(yè)銷售美國(guó)摩菲壓力表、溫度表、液位儀表、傳感器、控制閥、振動(dòng)開關(guān)全系列產(chǎn)品。

A20PE和A25PE系列型
-除帶微動(dòng)開關(guān)與20P/25P類似
-工廠設(shè)定開關(guān)點(diǎn)

A25PE和A25PE系列型
-除帶微動(dòng)開關(guān)外與20P/25P類似
-工廠設(shè)定開關(guān)點(diǎn)
-A25PE是CBS標(biāo)準(zhǔn)標(biāo)定的非危險(xiǎn)場(chǎng)地使用的
-A25PE-EX是CSA標(biāo)準(zhǔn)標(biāo)定的用于Class I，Div.1
Group C&D的危險(xiǎn)場(chǎng)地

A20PE and A25PE Swichgage
A20PE (was A20EO) and A25PE (was A25EO). Features internal snap-acting SPDT switches, instead of the single pole/pointer contacts. When the switch closes on falling pressure, it becomes set, as pressure rises the switch resets (refer to wiring diagram).
Model A25PE is CSA listed for non-hazardous areas.
Model A25PE-EX is CSA listed for Class I, Division 1, Groups C and D hazardous areas.

Murphy A20 Series Pressure Swichgages

A20P-50 (05704515): 2" Pressure Swichgage with Polycarbonate Case
A20P-75 (05704254): 2" Pressure Swichgage with Polycarbonate Case
A20P-100 (05704255): 2" Pressure Swichgage with Polycarbonate Case
A20P-150 (05704256): 2" Pressure Swichgage with Polycarbonate Case
A20P-200 (05704257): 2" Pressure Swichgage with Polycarbonate Case
A20P-300 (05704258): 2" Pressure Swichgage with Polycarbonate Case
A20P-400 (05702525): 2" Pressure Swichgage with Polycarbonate Case
Murphy A25 Series Pressure & Vacuum Swichgages
A25P-100 (05704337): 2.5" Pressure Swichgage? with Polycarbonate Case