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1640-2
Floating contact null switch, range 1.0-4.0" w.c., adj. null span, .03 min. set, .12 max. Set.
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Measurement Pressure, Max
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Product Specs
<< See all Product Models| Brand |
 |
| Deadband | 0.03 to 0.12 inH2O |
| Electrical Connection | Screw Terminal |
| GrossWeightValue | 5.25 |
| Materials, Wetted | Consult Factory |
| Measurement Pressure Type | Differential |
| Measurement Pressure, Max | 4 inH₂O |
| Measurement Pressure, Min | 1 inH₂O |
| Media Compatibility | Clean dry air / inert gas, HVAC / room air, Inert / non-reactive gases, Helium, Nitrogen, Non-Corrosive Dry Gases |
| Mounting Orientation | Vertical Diaphragm |
| Operating Temperature, Max | 110 °F |
| Operating Temperature, Min | -30 °F |
| Process Connection Size | 1/8 in |
| Process Connection Type | NPT Female |
| Proof Pressure | Up to 10 psi |
| Series ID | Series-1640 |
| Set Point Adjustment | Internal Screw |
| Switch Note | SPDT floating contact (not snap action), Non-inductive — 2.5A @ 110 VAC; 1.5 A @ 220 VAC; 1 A @ 24 VDC; 0.5 A @ 110 VAC; Inductive — 1 A @ 110 VAC; 0.5 A @ 220 VAC; 0.5 A @ 24 VDC (de-rate 70-80% for very slow pressure changes) |
| Switch Rating | Non-inductive: 2.5A @ 110 Vac, 1.5 A @ 220 Vac, 1 A @ 24 Vdc, 0.5 A @ 110 Vac; Inductive: 1 A @ 110 Vac, 0.5 A @ 220 Vac, 0.5 A @ 24 Vdc |
| Switch Type | SPDT NO/NC, Selectable |
| Weight | 2.18 kg |
| Country of Origin | United States |
| See All Specs | |
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