简要说明：设定点范围2.5KPa-13.8Bar, 耐压到103Bar

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：

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