產(chǎn)品名稱:H3系列 氣液兩用防爆壓差開關(guān)產(chǎn)品型號: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)測控可調(diào)

美國德威爾(Dwyer)儀器儀表授權(quán)中國代理——深圳市德威達(dá)科技有限公司

深圳市德威達(dá)科技有限公司 (Shenzhen Deweida Technology Co., Ltd.)是從事自動控制系統(tǒng)開發(fā)和儀器儀表等機(jī)電產(chǎn)品銷售的高科技專業(yè)公司。 公司人員有著多年的工業(yè)自動控制和樓宇自動控制經(jīng)驗(yàn) ,技術(shù)力量雄厚。公司代理品牌有 美國 DWYER、ANDERSON、MERCOID、ITT、德國BECK、新加坡TELASIA等，產(chǎn)品涉及壓力、流量、液位物位、風(fēng)速、溫濕度、閥門、氣體檢測、燃燒、數(shù)據(jù)采集等，廣泛應(yīng)用于工業(yè)自動化、暖通空調(diào)、樓宇自控、電廠、石油、化工、水處理，鍋爐、壓縮機(jī)、冷凍制冷設(shè)備、食品、醫(yī)藥、紡織、造紙、電子、環(huán)保、潔凈工程等領(lǐng)域。

產(chǎn)品名稱:  H3系列 氣液兩用防爆壓差開關(guān)
產(chǎn)品型號:  H3

型號	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

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