Mercoid PG系列差压开关

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产品名称: PG系列 气用微压/微差压开关
产品型号: PG

可调可视设定点刻度
特点：大膜盒，高灵敏度，外部可视刻度可调，快动或水银密封开关，被列入UL，FM和CSA清单
介质：空气及相容气体
可调范围：250-7500Pa ～ 3.5-35 KPa
工作温度：0-82.2 ℃
额定压力：不能超过最大的可调工作压力范围
接点容量：SPDT为4A/120VAC, 2A/240VAC,SPST为6A /120VAC, 3A/240VAC
安装方式：垂直
尺寸：177.8X101.6mm
重量：3.4Kg
选型表：
型号 范围 最大死区 开关类型
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

举例 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
结构 PG General purpose enclosure, NEMA-1 (standard) UL FM CSA
复位操作 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
封装选项 W Weather-resistant enclosure, NEMA-2, 3R FM CSA
E Explosion-proof enclosure, NEMA-7, 9, Class I, Groups C & D; Class II, Groups E, F & G, includes drain, specify if for pressure, vacuum or differential pressure.
电路(开关)
选项
(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 switc