DWYER H3系列气液两用防爆压差开关详细信息：
产品名称: H3系列气液两用防爆压差开关
产品型号: H3
设定点范围2.5KPa-13.8Bar, 耐压到103Bar
用途：防爆设计，适用于工业精密测控
可调压差范围：2.44-44.78KPa,3.44-103KPa,34.4-482KPa,68.9-1379KPa
死区：可调范围的5%
压力腔材质：铝，铜或不锈钢可选
连接：1/8"NPT
耐压：1500PSIG
温度：105°C
输出：SPDT/**DT可选
重量：2Kg
尺寸：76.2X136.53mm
DWYER H3系列气液两用防爆压差开关
选型表：
型号 压力腔材质 膜盒材质(Wetted) 可调范围 开关(Switch)
H3A-1SL Aluminum Nitrile 10-180" w.c. (2.48-44.78 kPa) SPDTSnap Action Switch, Rated 5 A ** 125/250 VAC, 30 VDC
H3A-2SL Aluminum Nitrile 0.5-15 psid (0.3-1 bar) SPDT SnapAction Switch, Rated 5 A ** 125/250 VAC, 30 VDC
H3A-3SL Aluminum Nitrile 5-70 psid (.34-4.8 bar) SPDT SnapAction Switch, Rated 5 A ** 125/250 VAC, 30 VDC
H3S-1SL 316 SS Viton® 10-180" w.c. (2.48-44.78 kPa) SPDT SnapAction Switch, Rated 5 A ** 125/250 VAC, 30 VDC
H3S-2SL 316 SS Viton® 0.5-15 psid (0.3-1 bar) SPDT SnapAction Switch, Rated 5 A ** 125/250 VAC, 30 VDC
H3S-3SL 316 SS Viton® 5-70 psid (.34-4.8 bar) SPDT SnapAction Switch, Rated 5 A ** 125/250 VAC, 30 VDC
举例 H3 S 2 S C MV H3S-2SC-MV Differential Pressure Co**ol; 316SSpressure chamber and Viton® diaphragm, weatherproof and ATEX, SPDTsnap action switch with gold contacts; fixed deadband; automaticreset; adjustable range 0.5-15 psid.
结构 H3 Series designator, weatherproof andexplosion-proof
压力腔& 膜盒材质(Wetted) A Aluminum chamber with Nitrilediaphragm
S 316SS chamber with Viton® diaphragm
可调范围 1 Adjustable range 10-180" w.c. (2.48-44.78kPa)
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)
开关(Switch) S SPDT snap action switch rated ** **125/250VAC, 30 VDC
D **DT snap action switch rated ** ** 125/250VAC, 30 VDC
电气连接 L 18 AWG x 18 inch lead wires
T UL, CSA approved internal terminal block
C ATEX approved internal terminal block
可选项 DRAIN Housing with drain - allows condensate to bedrai** 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.** inductive ** 30VDC
VIT Viton® diaphragm option where not standard