LVCS Series Continuous Vertical Liquid Level Sensor

The LVCS HE is a liquid level sensor featuring a float that can move vertically along a stem. Hall-effect sensors in the stem detect small step-changes in level and, particularly over longer lengths, the output approximates to a continuous analogue signal.

The standard analogue output circuit is a loop-powered 4-20mA driver. A multi-interface driver is also available on request and features the following:

  • 4-20mA output
  • 0-10V output
  • 2x open-collector transistor outputs
  • Serial communications port

Further details of the Multi-Interface Board can be found here.

The standard LVCS HE is designed to fit a 21mm hole in the top of a tank, secured by an aluminium head, and has a ½ inch BSP thread. Sensing resolution is 15mm with measuring lengths of 1.25m, 1.5m, 1.75m and 2m.

All fittings inside the tank are made from stainless steel 316L and are welded to make a tough and durable sensor. The LVCS HE is therefore ideally suited for use in food and petrochemical applications, and for use in harsh environments. It also has an IP rating of IP67.

Custom lengths can be made to order and heads with different threads or pressure tank fittings are available. Deeter also make the LVCS HE in other materials, for further details Contact Us or call our sales office to discuss your requirements.

Technical Data

LVCS HE 5: Measured length L = 1250mmLVCS HE 6: Measured length L = 1500mmLVCS HE 7: Measured length L = 1750mm

LVCS HE 8: Measured length L = 2000mm

Note: The overall length is 90mm longer than   the measuring length. Please check you have enough clearance in the tank.


Standard LVCS HE Specifications

Current Loop Supply Voltage

10VDC* – 30VDC

Maximum Current Loop Load

50ohms – 1kohms#

Current Loop Output


Stem Temperature  Head Electronics Temperature

-20 °C to 45 °C

0 °C to 70 °C

Sensing Resolution


Connection Type

2-way screw terminal

Operating Pressure

450 PSI

31 Bar

Float Specific Gravity


* The minimum supply voltage is given by the formula: Vsupply(min) = (Rload x 20mA) + 9V

# Maximum load resistance is given by the formula: Rload(max) = (Vsupply – 9V)/20mA


Ordering Info

LVCS       HE – 5 – 1250mm sensing range
6 – 1500mm sensing range
7 – 1750mm sensing range
8 – 2000mm sensing range
Custom lengths available


Download the LVCS-HE Datasheet

LVCS - Liquid Vertical Continuous Sensor

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