PS81 系列真空开关
超长寿命真空开关
特性...
- 1.5" 到 15" Hg (51 到 508 mbar)
- 用于低设定点的敏感隔膜
- 工厂设定或现场可调
概述/设计原理:
对于低真空应用，PS81系列的长寿命堪称无可匹敌。预期寿命为1百万次周期，这意味着长期的可靠性。铜质外壳与四种膜材料确保了与您系统的化学兼容性。PS81系列开关设定点现场可调或由厂方设定.
| 性能参数 | ||
|
接液部件 |
隔膜:Nitrile Standard (optional EPDM, Kapton® or Viton®) |
|
|
工作温度* |
Nitrile: 15°F to 250°F (-10°C to 121°C) |
|
|
开关** |
5A @ 125/250 VAC, |
|
|
电气连接 |
DIN 43650A IP00; Terminals IP00; Flying Leads IP00; IP Option IP00 |
|
|
耐压 |
0 psia to 150 psig (-1 Bar to 10.3 Bar) |
|
| 破裂压 | 500 psi (34.5 bar) | |
|
认证 |
CE, UL Approved units available, consult factory |
|
|
重量，近似值 |
0.31 lbs. (0.14 kg) |
|
* Switches may function below the cold temperature limit but the setpoints and deadband will increase. Consult factory for details.
**Gold contacts (Option G) may be required for less than 12 VDC or 20 mA.
| Repeatability / Deadband | |||
|
Pressure Range Code |
Pressure Range |
Repeatability |
Average Deadband* |
|
10 |
1.5 - 5" Hg (51 - 169 mbar) |
± 0.2" Hg (7 mbar) + 3% of setting |
0.3" Hg (10 mbar) + 9% of setting |
|
20 |
4 - 15" Hg (136 - 508 mbar) |
± 0.35" Hg (12 mbar) + 4% of setting |
0.6" Hg (20 mbar) + 11% of setting |
* In certain applications, deadband can be tailored and controlled to customer specifications. Consult factory for details
