LVCS Series Continuous Vertical Liquid Level Sensor

The LVCS is a liquid level sensor featuring a float that can move vertically along a stem. Sensors in the stem detect small step-changes in level and, particularly over longer lengths, the output approximates to a continuous analogue signal.
The following range of analogue outputs are supplied as standard: 0-2V, 0-4V, 0-10V and the industrial standard 4-20mA current loop.
The standard LVCS 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 5mm with measuring lengths of 250mm, 500mm, 750mm and 1m.
All fittings inside the tank are made from stainless steel 316L and are welded to make a tough and durable sensor. The LVCS 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.

Non-standard output options are available including:
0-20mA
Loop-powered 4-20mA
Multi-interface driver with 4-20mA output, 0-10V output, two open-collector transistor outputs, and a serial communications port. Further details of the Multi-Interface Board can be found here.
Custom lengths can be made to order and heads with different threads or pressure tank fittings are available.
Deeter also make the LVCS in other materials and with other sensing resolutions – see our website for further details or call our sales office to discuss your requirements.

Technical Data

LVCS1 : Measured length L = 250mm
LVCS2 : Measured length L = 500mm
LVCS3 : Measured length L = 750mm
LVCS4 : Measured length L = 1000mm
Note: The overall length is 90mm longer than the measured length. Please check you have enough clearance in the tank.

Standard LVCS Specifications

Supply: Current Loop

0-2V, 0-4V,

0-10V

15-28VDC @ 24mA

8-28VDC  @ 5mA

15-28VDC @ 5mA

Stem Temperature

Head Electronics Temperature

-20 °C to 120 °C

0 °C to 70 °C

Current Loop Output

0-20mA or

4-20mA into

10Ω# to 1.2KΩ*

Voltage Output Ranges

0-2.048V

0-4.096V

0-10V

Sensing Resolution

5mm

Connection Type

screw terminals

Operating Pressure

450 PSI

31 Bar

Float Specific Gravity

0.65

 

# At maximum operating voltage and temperature, the minimum load resistance increases to approximately 500 ohms. (An approximate formula is: Rload(min) = [Supply Voltage / 20mA] – [150C – Ambient Temperature] / 0.04C/ohm)

* Maximum load resistance is given by the formula:  Rload(max) = (Supply Voltage – 2V) / 20mA

Download the LVCS Datasheet

LVCS - Liquid Vertical Continuous Sensor


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