Welcome: A.YITE GROUP ZHOU ENSI LTD
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the left diagram is for Mechanical Differential Pressure Switch
The right diagram is for Electronic Differential Pressure Switch
Mechanical DPS only could output a SPDT signal, but Electronic DPS could output 2 DPS, but it need power supply.
Contact: Mr. Chou
Phone: 13166369204 微信同号
Tel: 请直接联系业务经理手机
Email: shanghai@ayite.net
Add: 17 &22, No.2928, Chuan Zhou Highway, Shanghai, 201319, China