Reed switches in liquid detection probes

Bore holes in the ground are bored or drilled for various purposes, primarily for drawing out water, gases or also as a geological or environmental assessment. During the boring, pipes need to be interconnected inserted to ensure that the bore does not cave in. After the boring work is successfully completed, the level of water for examples, may need to be assessed periodically.

This is where reed switches help. Regular reed switches in float switches with long cables cannot work well in such bores as the external float may get triggered by the bore walls. Standard float switches, fitted with a perforated sheet around the whole float assembly will ensure that when being inserted into the bore, the physical walls of the bore do not move the float, thereby preventing the reed switch form being actuated wrongly. The perforated sheet allows liquid to seep in and activate the float during liquid detection runs.The whole assembly can be used as a depth probe and lowered into deep, narrow bores with the help of the lead wire. 

Application Classification

Applications are classified as Position Sensing, Pulse Counting, Electromagnetic or Relay, Temperature Sensing or Magnet Biasing types. This application is classified as follows and the link gives more information on best practices to help select the most suitable AT band and matching magnet.

Position sensing Type

Position Sensing type application When an application requires the end position of a movement sensed, or the sensing of a part when it Continue reading -> Nov 7, 2020

Recommended Products

The Reed Switches and Sensors used in such applications need to be robust, durable and efficient in meeting a high life expectancy. Our engineers work hard in life testing our products under various conditions, and our intention is to ensure end product durability and life. Although we wouldn’t want to restrict any of our products for use in only certain applications, the recommended products for use in this application are listed below.

MS-216 Standard size Cylindrical Sensor

MS-216 Magnet Sensor Drawing starFeatures10W Contact Rating. Normally Open contact. Three sensitivity bands. Sputtered Ruthenium Continue reading -> Oct 30, 2020

MS-216-L Cylindrical Sensor for Line Voltages

Drawing of MS-216-L Magnet Sensor starFeatures10W Contact Rating. Normally Open contact. Three sensitivity bands. Sputtered Ruthenium Continue reading -> Oct 30, 2020

MS-228, M8 Threaded Cylindrical Sensor

MS-228 M8 Threaded Sensor Drawing starFeatures30W Contact Rating. Normally Open contact. Three sensitivity bands. Sputtered Ruthenium Continue reading -> Nov 20, 2020

LV-1925 Reed Switch for Line Voltage switching

The LV-1925 is a Line Voltage Reed Switch is designed for endurance at switching line voltage loads of 230V. Two versions are capable of Continue reading -> Dec 2, 2020