User Manual & Datasheet V 2.1
1
Introduction
Elixir-T-Uni is a Vibrating Fork Level Limit Switch for
liquids. It is suitable for level detection in storage tanks,
mixing container and pipelines, for all kinds of liquid which
do not react with SS 316, viscosity does not exceed
10,000 cP and temperature lies within
0
◦
C to
80
◦
C. It is
suitable for most of the applications where float switches
were previously employed, as well as in places where
float switches were not appropriate (due to deposition,
turbulence, stresses and air bubbles). Elixir-T-Uni ignores
foam deposition on its fork tines.
Figure 1: Elixir-T-Uni
2
Operating Principle
Elixir-T-Uni works on the principle of continuous vibration
of the fork at its natural frequency.
A specially shaped
Tuning Fork is kept vibrating by piezo electric element.
The resonance frequency changes when the tines are
immersed in any fluid.The change in frequency is detected
and used is for switching.
Figure 2: Part Diagram
3
System Description
Elixir-T-Uni vibrating fork level switch detects the res-
onant frequency change and changes the output signal
according to fail-safe mode selection. Typically, the output
is fed to a PLC which then uses it to control the process.
4
Features
•
Power Supply: 18-30 V DC
•
Output: Open collector PNP, LED Indication
•
Operational temperature:
0
◦
C to
150
◦
C (Fork)
•
Hygienic finish with 0.8 Ra available
•
No calibration required at site, easy to install
•
Compact in size
•
Service friendly plug-in connection
•
Rugged stainless steel housing
•
Operational safety ensured
•
Immune to foam build-up
•
External circuit testing by test magnet
5
Applications
Elixir-T-Uni is suitable for the following applications and
industries:
•
Chemicals
•
Pesticides
•
Edible Oil
•
Breweries
•
Food Industry
•
Dairy Industry
•
Packaging Industry
•
Pharmaceutical
Industry
6
Dimensional Layout
Dimensional drawing for a fork length of 44 mm is shown
in Figure 3
193
143
68
50
44
32
For Hygienic Application:
Surface Finish in Ra = 0.8µm
Figure 3: Dimensional Diagram
(All dimensions in mm)
Sapcon Instruments Pvt.Ltd.
R
5
