Fiso Measurement and Control Technology (Suzhou) Co., Ltd
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Tuning fork type liquid level switch
The tuning fork type liquid level switch GVG has a compact structure, WHG certification, maintenance free, corrosion-resistant, and multiple process c
Product details
application

The limit used for detecting liquids must have a dynamic viscosity of no more than 10000 mPa · s and a density of no less than 0.7

kg/dm3。 Especially suitable for scenarios where floating level switches cannot be used, such as liquid flow, fluctuations, and product adhesion. The most ideal use is overflow alarm and empty operation protection. Because of WHG certification, VibraFox ® Can be used in certified overflow protection systems

describe

VibraFox ® The vibration of the tuning fork excited the resonance frequency. When the tuning fork comes into contact with the medium, the frequency will change, and this change is detected and converted into a switch signal. The unique detection circuit enables the product to be used under adverse conditions, such as vibration in storage tanks or liquid surface fluctuations.

Medium density30.7 kg/dm3

… 2.5 kg/cm

Dynamic viscosity of the mediumMax.

10000 mPa·

s

workability

Medium:- 40/ +100 ℃

Medium HT configuration:- 40/ +150 ℃

environment 40/ +70 ℃

Process pressure

-1

/ + 64 bar

Process connection

G3/4A

Or G1A (PN64)

Vibrating tuning fork

Stainless steel 316L

power supply

AC / DC 20 – 253

(2-line)

Load current: 10-250 mA

Or DC 10-55 V (3 wires)

Load current: Max. 250 mA

Input power

2-line: determined by external load

3 lines: Max. 0.6W

output

2-wire AC/DC

Or 3-wire transistor (PNP) DC

Switching delay

After immersion: 0.5 seconds

After moving away: 0.5 seconds

switching point

Installation from top: 11 mm

Installation from below: 34 mm

(25 ℃ in water)

Switching hysteresis

Vertical installation: approximately 2 mm

Horizontal installation: 2 mm

(25 ℃ in water)

Visual indication

Dual color LED green/red

functional testing

Using test magnets (including)

casing


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