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Other Instrumentation, Equipments
Mô tả sản phẩm
Mô tả sản phẩm
Công Tắc Chênh Áp Series H3
| Model | : | SERIES H3 |
| Manufacturer | : | DWYER |
| Origin | : | USA |
| Wetted Materials | : | See pressure chamber and diaphragm material in model chart. |
| Temperature Limit | : | -4 to 220°F (-20 to 104°C), ATEX: -20 to 90°C (-4 to 194°F). |
| Pressure Limit | : | 1500 psig (103 bar). |
| Enclosure Rating | : | Standard meets NEMA 4X (IP56), drain option meets NEMA 3 (IP54). For hazardous use see the hazardous location ratings chart. |
| Switch Type | : | SPDT or DPDT snap switch. |
| Electrical Rating | : | 5A @ 125/250 VAC, 30 VDC. |
| Electrical Connections | : | See model chart. |
| Conduit Connection | : | 3/4" female NPT. |
| Process Connection | : | 1/8" female NPT. |
| Mounting Orientation |
: | Vertical. |
| Set Point Adjustment | : | Internal screw. |
| Weight | : | 4 lb, 2 oz (2 kg). |
| Deadband | : | Approximately 5% of range. |
| Agency Approvals | : | UL, CSA, CE, and ATEX see ratings chart |
| Example | H3 | S | 2 | S | C | MV | H3S-2SC-MV Differential Pressure Control; 316 SS pressure chamber and Fluoroelastomer diaphragm; weatherproof and ATEX; SPDT snap action switch with gold contacts; fixed deadband, automatic reset; adjustable range 0.5-15 psid |
| Construction | H3 | Series designator, weatherproof and explosion-proof | |||||
| Pressure Chamber & Diaphragm Material (Wetted) |
A S |
Aluminum chamber with Nitrile diaphragm 316 SS chamber with Fluoroelastomer diaphragm | |||||
| Adjustable Operating Range |
1 2 3 4 |
Adjustable range 10-180 in. w.c. (2.48-44.78 kPa) Adjustable range 0.5-15 psid (0.03-1 bar) Adjustable range 5-70 psid (.34-4.8 bar) Adjustable range 10-200 psid (.7-13.8 bar) |
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| Circuit (Switch) Options |
S D |
SPDT snap action switch rated 5A @ 125/250 VAC, 30 VDC DPDT snap action switch rated 5A @ 125/250 VAC, 30 VDC |
|||||
| Electrical Connection Options |
L T C |
18 AWG x 18 inch lead wires UL, CSA approved internal terminal block ATEX approved internal terminal block |
|||||
| DRAIN MV VIT |
Housing with drain - allows condensate to be drained from inside enclosure (meets NEMA 3 instead of 4X) Gold contacts on snap switch for dry circuits rated 1A @ 125 VAC, 1A resistive or 0.5 A inductive @ 30 VDC Fluoroelastomer diaphragm option where not standard |
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