Kobold NM Series Level Sensors 液位仪表液位指示器/控制器-产品快照
- 品牌:
- KOBOLD
- 型号:
- Kobold NM Series Level Sensors
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| 供应商名称 | 电话 | 备注 |
|---|---|---|
| 暂无展示，可咨询在线客服 | 400-811-6961 |
 微信咨询，as10@gchane.com , QQ3350168184
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产品介绍
Kobold NM Series Level Sensors 液位仪表液位指示器/控制器
Kobold NM Series Level Sensors
Kobold
Reliable, continuous level indication of all types of liquid, 0.5% accuracy The Kobold NM Series level sensors are used for continuous level indication and monitoring of all types of liquids. Their simple design with only one moving part, the float, means that they are particularly reliable. A range of sensors in different materials and designs, and with different connections, are available for measured-value acquisition. The analogue controllers have an electrical output signal that is switchable from 0 - 20 to 4 - 20 mA, finely adjustable relay contacts for level monitoring or integrated indicating devices for level indication. Kobold level sensors enable the continuous display and monitoring of liquids without being influenced by conductivity, temperature, pressure or viscosity. Similar to the Kobold level float switch, the sensor comprises a measuring tube on which a float, fitted with a magnet, switches the reed contacts mounted in the tube in a noncontacting fashion. As a modification to the known techniques for level float switches, the measuring tube in the level sensors is equipped with a chain of resistors and a reed contacts. The float activates the sealed contacts through the wall of the measuring tube in a non-contacting manner, whereby a measuring-circuit voltage proportional to the level is picked off at the resistance measuring chain. This sensing technique is similar to the operation of a sliding contact on a resistance potentiometer. The voltage sampled from the chain of resistors is transferred to a transmitter which outputs a current signal proportional to the liquid level or, depending on the design, also allows limit values to be monitored. The transmitter can be mounted in the terminal box or as an external instrument. Local analogue or digital indication can also be provided. To satisfy the requirements for greater measuring and monitoring accuracies, the resistance measuring chain can be supplied in 10 mm (15 mm) increments for lengths up to 2 m, and in 20 mm increments for greater lengths. Applications include:
Features 0.5% Accuracy (for L = 2000 mm) 266°F (130°C) max temperature 20 bar max pressure Stainless steel, PVC, PP-H, PTFE or PE DN 50 to DN 100 flanges Constant level indication Infinitely adjustable limit value contacts Transmitter
Level Instruments Level Indicators / Controllers
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