產(chǎn)品名稱: H3系列氣液兩用防爆壓差開關(guān)
產(chǎn)品型號(hào): H3
設(shè)定點(diǎn)范圍2.5KPa-13.8Bar, 耐壓到103Bar
用途:防爆設(shè)計(jì),適用于工業(yè)精密測(cè)控
可調(diào)壓差范圍:2.44-44.78KPa,3.44-103KPa,34.4-482KPa,68.9-1379KPa
死區(qū):可調(diào)范圍的5%
壓力腔材質(zhì):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(hào) 壓力腔材質(zhì) 膜盒材質(zhì)(Wetted) 可調(diào)范圍 開關(guān)(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(jié)構(gòu) | H3 | Series designator, weatherproof and explosion-proof | |||||
壓力腔& 膜盒材質(zhì)(Wetted) | A | Aluminum chamber with Nitrile diaphragm | |||||
S | 316SS chamber with Viton® diaphragm | ||||||
可調(diào)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(guān)(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(xiàng) | 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 |