介质：空气，非腐蚀性气体
可调范围：0-0.025/0.025-0.25/0.025-1.5/0.25-7.5Kpa
工作温度：-23.3-+82.2℃
接点容量：SPST水银开关，0.15A/240VAC
连接：1/8"NPT
安装：垂直
其它功能：防水防爆可选
尺寸：128.59X101.6X73mm
重量：2.04Kg
| 型号 | 操作范围Inches w.c. (kPa) | 中间压力的死区Inches w.c. (Pa) | 最大瞬间压力Inches w.c. (kPa) | 单价 | 备注 |
| PQ-3-X1 | 0-0.1 (0-.025) | 0.1 (25) | 1.0 (.25) | 标准 | |
| PQ-3-X2 | 0.1-1.0 (.025-.25) | 0.02 (5) | 10.0 (2.5) | 标准 | |
| PQ-3-X2.6 | 0.1-6.0 (.025-1.5) | 0.02 (5) | 10.0 (2.5) | 标准 | |
| PQ-3-X3 | 1.0-30 (.25-7.5) | 0.15 (37) | 60.0 (15) | 标准 | |
| PQ-3-X4 | 0-0.1 (vac) (0-.025) | 0.01 (2.5) | 1.0 (.25) | 标准 | |
| PQ-3-X5 | 0.1-1.0 (vac) (.025-.25) | 0.15 (37) | 10.0 (2.5) | 标准 | |
| PQ-3-X6 | 1.0-30 (vac) (.25-7.5) | 0.15 (37) | 60.0 (15) | 标准 |
选型表 (mm w.c.)
| 举例 | PQ |
2
|
X1
|
PQ-2-X1 Pressure Control, fixed deadband, automatic reset, SPST magnetic mercury switch, adjustable range 0-0.1" w.c. (0-2.5), maximum pressure 1.0" w.c. (25) |
|
|
|
| 结构 | PQ |
|
General purpose enclosure, NEMA-1 (standard) |
UL
|
CSA
|
||
| 封装 | W |
|
Weather resistant enclosure, NEMA-2, 3R |
|
CSA
|
||
| E |
|
Explosion-proof enclosure, NEMA-7, 9, Class I Groups C & D; Class II, Groups E, F & G |
|
|
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| 开关 (SWITCHING) |
2
|
SPST magnetic mercury switch, opens on pressure increase |
UL
|
CSA
|
|||
|
3
|
SPST magnetic mercury switch, closes on pressure increase |
UL
|
CSA
|
||||
|
4122
|
2 stage, two SPST magnetic mercury switches, one opens on pressure increase, one opens on further increase |
UL
|
CSA
|
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|
4129
|
2 stage, two SPST magnetic mercury switches, one closes on pressure increase, one closes on further increase |
UL
|
CSA
|
||||
|
4132
|
2 stage, two SPST magnetic mercury switches, one closes on pressure increase, one closes on pressure decrease, both open mid-range |
UL
|
CSA
|
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|
4123
|
2 stage, two SPST magnetic mercury switches, one opens on pressure increase, one opens on pressure decrease, both close mid-range |
UL
|
CSA
|
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| 设定压力范围和最大操作压力 |
X1
|
Adjustable range 0-0.1" w.c. (0-2.5), maximum surge pressure 1.0" w.c. (25) |
UL
|
CSA
|
|||
|
X2
|
Adjustable range 0.1-1.0" w.c. (2.5-25), maximum surge pressure 10" w.c. (250) |
UL
|
CSA
|
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|
X2.6
|
Adjustable range 0.1-6.0" w.c. (2.5-150), maximum surge pressure 10" w.c. (25) |
UL
|
CSA
|
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X3
|
Adjustable range 1.0-30" w.c. (25-750), maximum surge pressure 60" w.c. (1500) |
UL
|
CSA
|
||||
|
X4
|
Adjustable range 0-0.1" w.c. (0-2.5) vac, maximum surge pressure 1.0" w.c. (25) |
UL
|
CSA
|
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|
X5
|
Adjustable range 0.1-1.0" w.c. 2.5-25) vac, maximum surge pressure 1.0" w.c. (25) |
UL
|
CSA
|
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|
X6
|
Adjustable range 1.0-30" w.c. (25-750) vac, maximum surge pressure 1.0" w.c. (25) |
UL
|
CSA
|
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| 开关参数 | SPST mercury switch rated 0.3A at 115 VAC, 0.15A at 230 VAC, 0.9A at 24 VAC, 0.15A at 115 VDC, 0.07A at 230 VDC, 0.45A at 24 VDC | ||||||
