Dwyer Series A3000 Pressure Switch/Gage: Measures and controls positive, negative or differential pressures of air and compatible gases. GAGE SPECIFICATIONS Service: Air and non-combustible, compatible gases.
Series 1640 Floating Contact Null Switch for High and Low Actuation Visual Set Point Adjustment...Adjustable Null Zone The unique electric switch design in the 1640 is another Dwyer Instruments, Inc. innovation. The Dwyer Model 1640 Differential Pressure Switch resembles the Series 1630 switches described on the previous page.
SQUARE D 9001 KA2 Finger Safe Contact Block, QTY 80.....Brand New! ...Re-sell them Re-use them etc.....This auction is for 80 of them! Shipping is free with buy it now.
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