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A specially shaped tuning fork is kept vibrating using piezo-electric elements. Typically, the fork vibrates at its natural frequency. The frequency of oscillation for the tuning fork changes when immersed in liquids. The change in frequency is detected by the microprocessor leading to a switching decision.


Low Power Consumption: Less heat, Long life

Universal Power Supply: 18V – 55 V DC, 90 -265 V AC

High temperature durability (H1 – up to 150°C )

Immunity to spurious external vibrations, material turbulence and flow

Suitable for liquids with viscosity up to 10,000 cP

Independent of material’s electrical properties

Fast switching


Mechanical Specifications

Electrical Specifications

Resonant Frequency

1.1 Khz

Probe Length

Extensible probe length from 44mm – up to 3m


FC: Flame Proof for Gas Group IIc

P5:IP-65 Weather Proof Housing

FA: Flame Proof for Gas Group IIa and IIb

Process Connection(Mounting Arrangement)

Threaded Mounting: 1-1/2”, 2” BSP/NPT

Flanged Mounting: As per specification

Extension Length

Pipe – GI / SS: 200mm – 3000mm

Probe Length

Extension Length: + Fork Length(44mm/125mm)

Wetted Parts and Mounting Material

S4: SS-304

S6: SS-316

PT: PTFE Lined

HL: Halar Lined

HC: Hastelloy C

Process Temperature

A (Ambient) below 80°C

H (High temperature): 100°C – 150°C

Input power supply & Outputs

D: Universal Power Supply 18-55 V DC, 90-265 V AC, Single-point two potential free relay outputs rated at 6A

S: Universal Universal Power Supply 18-55 V DC, 90-265 V AC
(1.) Singe-point – Single relay (Rated 6A)
(2.) Open-collector PNP output, max 100mA non-inductive load

M: 24VDC – 8/16 mA 2-wire Loop powered current output

N: 8.2V Namur type current output (ION = 2.2 … 2.5 mA, IOFF = 0.8 … 1.0 mA)

Power Consumption

4 W at 24 V DC with 90 mA load

Fail-safe Setting

Field selectable (through toggle switch)

Open: Fail-safe High, Close: Fail-safe Low

Response Time

0.8s Cover Delay

1s Uncover Delay

Time Delay Settings

Cover and Uncover Delay: 02s to 20s, through toggle switches

Sensitivity Setting

Field Selectable (through toggle switches)

Applications Specifications

Elixir is suitable for all industrial liquids such as:










Edible oil



Packaging Utility





Switching Indication

2 LED’s

Red: Alarm, Green: Normal