Dwyer Instruments 1640-0 Switch

Floating Contact Null Switch, .01"w.c. to 0.2"w.c. Range, 0.01-0.03 Adjustable Null Span, High and Low Actuation, Visual Setpoint Adjustment, Air and Non Combustible Gases, 10 Psig Pressure Limit, 1/8" Female NPT Connections

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