DWYER H3系列氣液兩用防爆壓差開關詳細信息：
產品名稱: H3系列氣液兩用防爆壓差開關
產品型號: H3
設定點范圍2.5KPa-13.8Bar, 耐壓到103Bar
用途：防爆設計，適用于工業精密測控
可調壓差范圍：2.44-44.78KPa,3.44-103KPa,34.4-482KPa,68.9-1379KPa
死區：可調范圍的5%
壓力腔材質：鋁，銅或不銹鋼可選
連接：1/8"NPT
zui大耐壓：1500PSIG
zui大溫度：105°C
輸出：SPDT/DPDT可選
重量：2Kg
尺寸：76.2X136.53mm
DWYER H3系列氣液兩用防爆壓差開關
選型表：
型號 壓力腔材質 膜盒材質(Wetted) 可調范圍 開關(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
舉例 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.
結構 H3 Series designator, weatherproof andexplosion-proof
壓力腔& 膜盒材質(Wetted) A Aluminum chamber with Nitrilediaphragm
S 316SS chamber with Viton® diaphragm
可調范圍 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)
開關(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 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 @ 30VDC
VIT Viton® diaphragm option where not standard
