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Dwyer H3系列气液两用防爆压差开关
来自：深圳市德威达科技有限公司
1人民币
发布时间：2012-5-24
关注次数：358
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商品详情
产品名称: H3系列 气液两用防爆压差开关
产品型号: H3
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
最大耐压：1500PSIG
最大温度：105°C
输出：SPDT/DPDT可选
重量：2Kg
尺寸：76.2X136.53mm
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)
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
| 举例 | 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. |
| 结构 | H3 | Series designator, weatherproof and explosion-proof | |||||
| 压力腔& 膜盒材质(Wetted) | A | Aluminum chamber with Nitrile diaphragm | |||||
| S | 316SS chamber with Viton® diaphragm | ||||||
| 可调范围 | 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) | ||||||
| 开关(Switch) | S | SPDT snap action switch rated 5A @ 125/250VAC, 30 VDC | |||||
| D | DPDT snap action switch rated 5A @ 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 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 |
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