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更新时间：2022-11-18 浏览数：38
所属行业：电子> 传感器、敏感元器件(电子元器件)> 其他传感器、敏感元件
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美国AB液面传感器描述，罗克韦尔液面传感器性能介绍
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Reset setting — Increasing vacuum setting when contacts return to their normal state. psi
— Pounds per square inch. Devices listed are in gauge pressure units which use atmospheric pressure as a reference.
Atmospheric pressure at sea level is approximately 14.7 psi or 30 in. Hg. Operating range adjustment acrew
— This screw is used to adjust the trip setting by varying the force of the main spring.
Differential adjustment screw — This screw is used to adjust reset setting by varying the force of the differential blade spring.
Pressure media — There are many types of pressure media that are controlled. Examples include air, water,
hydraulic fluids and other types of gases and liquids.
The type of media and maximum system pressure will determine the type of actuator used for the pressure control application.
See page 13-9. Pressure connection — Common types of pressure connections used in control systems are 1/4 in. and 3/8 in. female pipe threads, and 7/16 in.
— 20 SAE copper tubing. Contact configuration — There are many types of contact configurations available.
Bulletin 836 Style A and C pressure controls offer a wide variety of contact configurations for both automatic operation and manual reset. See page 13-14.
固态液位开关基于微处理器，其设计可承受恶劣的工业条件和冲洗应用，
如罐、容器和管道内的液位监视。
这些开关有交流和直流两种版本，不受泡沫、振动和沉积的影响。
触点等级 NEMA A600 和 N300
— Difference between the trip and reset values. Minimum differential
— When the differential is set to the lowest pressure difference between trip and reset.
Maximum differential — When the differential is set to the widest pressure difference between trip and reset.
Maximum occasional surge pressure — Maximum surge pressure that can be applied to the actuator.
Surges or transients can occur during startup and shutdown of a machine or system. Expressed in milliseconds,
complex electronic instrumentation is required to measure the varying amplitude, frequency,
and duration of this wave form. Extreme surges that occur approximately eight times in a 24hour period are negligible.
Maximum line pressure — Maximum sustained pressure that can be applied to the bellows without permanent damage.
操作灵敏度 2 至 5 in.
大多数型号可在储罐和水池操作之间转换
提供了十一种标准浮标开关操作器组件
杆、浮标和线缆都为不锈钢
液面传感器是重载工业控制设备。它们会响应液位变化而打开或关闭触点。
液面传感器有五种同时带有电机和导向负载触点等级的不同型号。
浮标开关是重载工业控制设备。它们会响应液位变化而打开或关闭触点。
这些开关有五种带有电机和导向负载触点等级的不同型号。
The control should not be cycled at this pressure.
Positive pressure — Any pressure more than 0 psi. See Figure
2. Trip setting — Increasing pressure setting when contacts change state.
Reset setting — Decreasing pressure setting when contacts return to their normal state.
Vacuum (negative pressure) — Any pressure less than 0 psi, inches of Hg vacuum. See Figure
2. Trip setting — Decreasing vacuum setting when contacts change state.
提供类型 1、4 和 7/9 外壳
坚固的防腐蚀 316L 不锈钢外壳，
直流型外壳的防护等级为 IP66/67，
交流型外壳的防护等级为 IP65
直流 PNP 型带 M12 连接器
交流型带 NPT 1/2 in. 阀连接器
316L 不锈钢感应元件
通过明亮的状态指示灯进行现场控制
基于超声波振动叉技术的离散常开/常闭液位开关
Adjustable operating range — Total span within which the contacts can be adjusted to trip and reset.
Trip setting — Higher pressure setting at which value the contacts transfer from their normal state to a changed state.
Reset setting — Lower pressure setting at which value the contacts return to their normal state. Adjustable differential美国AB液面传感器描述，罗克韦尔液面传感器性能介绍
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