產(chǎn)品名稱: PG系列 氣用微壓/微差壓開關(guān)
產(chǎn)品型號(hào): PG
可調(diào)可視設(shè)定點(diǎn)刻度
特點(diǎn)：大膜盒，高靈敏度，外部可視刻度可調(diào)，快動(dòng)或水銀密封開關(guān)，被列入UL，FM和CSA清單
介質(zhì)：空氣及相容氣體
可調(diào)范圍：250-7500Pa ～ 3.5-35 KPa
工作溫度：0-82.2 ℃
額定壓力：不能過的可調(diào)工作壓力范圍
接點(diǎn)容量：SPDT為4A/120VAC, 2A/240VAC,SPST為6A /120VAC, 3A/240VAC
安裝方式：垂直
尺寸：177.8X101.6mm
重量：3.4Kg
選型表：
| 型號(hào) | 范圍 | 區(qū) | 開關(guān)類型 |
| PG-153-P1 | 1-30" water (.25-7.47 kPa) | 1.9" w.c. (0.47 kPa) | SPDT Mercury |
| PG-153-P2 | 0.5-5 psid (.03-3.45 bar) | 0.4 psid (0.38 bar) | SPDT Mercury |
| PG-3-P1 | 1-30" water (.25-7.47 kPa) | 1.3" w.c. (0.32 kPa) | SPST Mercury1 |
| PG-3-P2 | 0.5-5 psid (.03-3.45 bar) | 0.3 psid (0.21 kPa) | SPST Mercury1 |
| PG-7000-153-P1 | 1-30" water (.25-7.47 kPa) | 4" w.c. (1.0 kPa) | SPDT Snap |
| PG-7000-153-P2 | 0.5-5 psid (.03-3.45 bar) | .5 psid (.035 bar) | SPDT Snap |
| PG-7000-153HS-P1 | 1-30" water (.25-7.47 kPa) | 4" w.c. (1.0 kPa) | SPDT Hermetically Sealed Silver Snap |
| PG-7000-153HG-P1 | 1-30" water (.25-7.47 kPa) | 4" w.c. (1.0 kPa) | SPDT Hermetically Sealed Gold Snap |
| 舉例 | PG | 153 | P1 | PG-153-P1 (Vacuum) (Pressure) (Differential Pressure) Control, fixed deadband, automatic reset, SPDT mercury switch, adjustable range 1.0-30" w.c. (25-760 bar). | UL | FM | CSA | ||
| 結(jié)構(gòu) | PG | General purpose enclosure, NEMA-1 (standard) | UL | FM | CSA | ||||
| 復(fù)位操作 | PR | Manual reset, operates on pressure increase automatically, resets on decrease1 | UL | FM | CSA | ||||
| PRL | Manual reset, operates on pressure decrease automatically, resets on increase1 | UL | FM | CSA | |||||
| 封裝選項(xiàng) | W | Weather-resistant enclosure, NEMA-2, 3R | FM | CSA | |||||
| E | Explosion-proof enclosure, NEMA-7, 9, Cl I, Groups C & D; Cl II, Groups E, F & G, includes drain, specify if for pressure, vacuum or differential pressure. | ||||||||
| 電路(開關(guān)) 選項(xiàng) (For Electrical Codes see Chart Below) | 2 | SPST mercury switch, elect. code K?, opens on vacuum, pressure or differential pressure increase | UL | FM | CSA | ||||
| 2P | SPST mercury switch, elect. code L?, opens on vacuum, pressure or differential pressure increase | UL | FM | CSA | |||||
| 3 | SPST mercury switch, elect. code K?, closes on vacuum, pressure or differential pressure increase | UL | FM | CSA | |||||
| SPST mercury switch, elect. code L?, closes on vacuum, pressure or differential pressure increase | UL | FM | CSA | ||||||
| 153 | SPDT mercury switch, elect. code M? | UL | FM | CSA | |||||
| 103 | DPST, two SPST mercury switches, elect. code L?, both close on increase, FM approved, PG, PGW only | UL | FM | CSA | |||||
| 105 | DPST, two SPST mercury switches, one elect. code L?, one elect. code N, both open on decrease | UL | FM | CSA | |||||
| 127 | DPST, two SPST mercury switches, elect. code L?, both open on increase | UL | FM | CSA | |||||
| 129 | DPST, two SPST mercury switches, one elect. code L?, one elect. code N, both open on increase | UL | FM | CSA | |||||
| 158 | SPDT, two SPST mercury switches, one elect. code L? - opens on increase, one elect. code N - closes on increase | UL | FM | CSA | |||||
| 161 | SPDT, two SPST mercury switches, one elect. code L? - opens on decrease, one elect. code N - closes on decrease | UL | FM | CSA | |||||
| 156 | SPDT, two SPST mercury switches, elect. code L?, one- opens on increase, one closes on increase | UL | FM | CSA | |||||
| 804 | DPDT, two SPDT mercury switches, elect. code M? | ||||||||
| (__) | Other circuits available, consult factory | ||||||||
| 7000 | 153 | SPDT, snap acting switch, rated 15A at 120 VAC, 8A at 240 VAC, 0.5A at 120 VDC, .25A at 240 VDC (1) | |||||||
| 153HS | SPDT, Hermetically sealed snap switch, rated 5A at 125/250 VAC, 5A resistive at 30 VDC | UL | |||||||
| 153HG | SPDT, Hermetically sealed gold contact snap switch, rated 1A at 125 VAC, 1A resistive at 30 VDC | UL | |||||||
| 7200 | 804 | DPDT, two SPDT snap acting switches, rated 5A at 120/240 VAC, 30 VDC resistive (1) | |||||||
可調(diào)壓差范圍 | P1 | Adjustable range 1.0-30" w.c. (25-760 bar), maximum sustained pressure 2 psig* (0.14 bar) | UL | FM | CSA | ||||
| P2 | Adjustable range 0.5-5 psig (.03-.35 bar), maximum sustained pressure 10 psig* (0.69 bar) | UL | FM | CSA |
