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
| 型号 | 压力腔材质 | 膜盒材质(Wetted) | 可调范围 | 开关(Switch) | 单价 | 备注 |
| 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 | 标准 | |
| H3A-2SL | Aluminum | Nitrile | 0.5-15 psid (0.3-1 bar) | SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC | 标准 | |
| H3A-3SL | Aluminum | Nitrile | 5-70 psid (.34-4.8 bar) | SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC | 标准 | |
| 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 | 标准 | |
| 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 | 标准 | |
| H3S-3SL | 316 SS | Viton® | 5-70 psid (.34-4.8 bar) | SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC | 标准 |
公司介绍宜昌慧诚自动化设备有限责任公司销售的HYW-CEx防爆差压控制器,防爆差压开关,防爆压差开关,过用防爆差压开关,防爆压差控制器,隔爆压差开关,隔爆压差控制器,防爆差压继电器,隔爆差压继电器适用于业工业过程控制场所。本产品采用高精度材料感压元件。高、低压容室对称设计,具有测压范围宽,稳定性能好等优点。本产品带有设定值指示针指示刻度,设定量程和上下限可任意调节。| 量程序号 | 设定值调节范围(MPa) | 切换差值(MPa) | 使用压力(MPa) |
| 不可调G | |||
| 1 | 0~0.1 | ≤0.006 | 1.0 |
| 2 | 0~0.16 | ≤0.01 | 1.0 |
| 3 | 0~0.25 | ≤0.015 | 1.0 |
| 4 | 0.02~0.4 | ≤0.02 | 1.6 |
| 5 | 0.03~0.6 | ≤0.025 | 1.6 |
| 6 | 0.05~1.0 | ≤0.03 | 1.6 |
| 7 | 0.08~1.6 | ≤0.08 | 3.2 |
| 8 | 0.12~3.0 | ≤0.1 | 5.0 |
| 9 | 3.0以上 | 定做 | 定做 |

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:
| 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 |
产品名称: H2系列双设定防爆压差开关产品型号: H2
防爆型,全天候防护外壳
用途:防爆防水设计,用于液体或气体上、下限开关点可调,安装位置任意,不受振动影响输出:2个SPDT开关,5A@125/250VAC连接管:3/4"NPT死区:设定范围的10%认证:CE,UL,CSA尺寸:66.68X127mm
认证:CE,UL,CSA
选型表:
| 型号 | 下限设定- psig (bar) | 上限设定- psig (bar) |
| H2A-1 | 3-40 (0.21-2.76) | 5-75 (0.35-5.17) |
| H2A-2 | 25-250 (1.72-17.2) | 30-400 (2.07-27.6) |
| H2A-3 | 100-1000 (6.89-68.9) | 150-1500 (10.3-103) |
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 |
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
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 Control; 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 NitrilediaphragmS 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 5A @125/250VAC, 30 VDCD DPDT snap action switch rated 5A @ 125/250VAC, 30 VDC电气连接 L 18 AWG x 18 inch lead wiresT UL, CSA approved internal terminal blockC ATEX approved internal terminal block可选项 DRAIN Housing with drain - allows condensate to bedrained 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 @ 30VDCVIT Viton® diaphragm option where not standard