Miniature Vibrating Fork Type Level Switch - 135 VLM
The ever-growing popularity of the 135-VLM Miniature Vibrating Fork Type Level Switches is ensured by their versatility, provided by their principle of operation. Vibrating Fork Level Switch 135-VLM is mainly for Liquids and free-flowing solids. It works on the principle of a change in frequency of a Vibrating Fork due to presence of a liquid / solid.
Features :
Low power Microprocessor based intelligent device.
Compact in size.
Setting of FSH / FSL is possible without removal of instrument from process with the help of Magnetic key, no down time required.
Short circuit protection.
Switch configuration programmable.
Health check feature.


The 135-VLM covers a large variety of level detection applications and more… high / low fail safe limit switch, overfill or dry run protection, pump controls, dry / wet indication in pipes etc.
PNP open collector contact output (for use with PLC’s and for Alarm Annunciation)
Suitable for Food, Edible oils and hydrogenated fats.
Hygienic versions with various process connections (and 1.4 micron fine polishing) for Milk / Food applications.

Data sheet:
  Miniature Vibrating Fork Type Level Switch, Series 135 VLM   Download now
In-house Calibration facility for Flow Meters
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