| 品牌 | 美國德威爾 | 型號 | H3 |
設定點范圍2.5KPa-13.8Bar, 耐壓到103Bar
用途：爆設計，適用于工業精密測控
可調壓差范圍：2.44-44.78KPa,3.44-103KPa,34.4-482KPa,68.9-1379KPa
區：可調范圍的5%
壓力腔材質：鋁，銅或不銹鋼可選
連接：1/8"NPT
耐壓：1500PSIG
溫度：105°C
輸出：SPDT/DPDT可選
重量：2Kg
尺寸：76.2X136.53mm
選型表：
型號 壓力腔材質 膜盒材質(Wetted) 可調范圍 開關(Switch) H3A-1SL Aluminum Nitrile 10-180" w.c. (2.48-44.78 kPa) SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC H3A-2SL Aluminum Nitrile 0.5-15 psid (0.3-1 bar) SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC H3A-3SL Aluminum Nitrile 5-70 psid (.34-4.8 bar) SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC H3S-1SL 316 SS Viton® 10-180" w.c. (2.48-44.78 kPa) SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC H3S-2SL 316 SS Viton® 0.5-15 psid (0.3-1 bar) SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC H3S-3SL 316 SS Viton® 5-70 psid (.34-4.8 bar) SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC
| 舉例 | H3 | S | 2 | S | C | MV | H3S-2SC-MV Differential Pressure Control; 316SS pressure chamber and Viton® diaphragm, weatherproof and ATEX, SPDT snap action switch with gold contacts; fixed deadband; automatic reset; adjustable range 0.5-15 psid. |
| 結構 | H3 | Series designator, weatherproof and explosion-proof | |||||
| 壓力腔& 膜盒材質(Wetted) | A | Aluminum chamber with Nitrile diaphragm | |||||
| S | 316SS chamber with Viton® diaphragm | ||||||
| 可調范圍 | 1 | Adjustable range 10-180" w.c. (2.48-44.78 kPa) | |||||
| 2 | Adjustable range 0.5-15 psid (0.03-1 bar) | ||||||
| 3 | Adjustable range 5-70 psid (.34-4.8 bar) | ||||||
| 4 | Adjustable range 10-200 psid (.7-13.8 bar) | ||||||
| 開關(Switch) | S | SPDT snap action switch rated 5A @ 125/250VAC, 30 VDC | |||||
| D | DPDT snap action switch rated 5A @ 125/250VAC, 30 VDC | ||||||
| 電氣連接 | L | 18 AWG x 18 inch lead wires | |||||
| T | UL, CSA approved internal terminal block | ||||||
| C | ATEX approved internal terminal block | ||||||
| 可選項 | DRAIN | Housing with drain - allows condensate to be drained from inside enclosure (meets NEMA 3 instead of 4X) | |||||
| MV | Gold contacts on snap switch for dry circuits rated 1A @ 125VAC, 1A resistive or 0.5A inductive @ 30VDC | ||||||
| VIT | Viton® diaphragm option where not standard |
