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Type：CX-FLS-LY fork level switch
Illustrate：CX-FLS-LY series tuning fork level controller is applicable for fixed point alarm or control in all kinds of storage level and liquid level in tank. Solid material: rice, milk powder, sugar, salt, washing powder, dyestuff, cement, rock powder, plastic grain etc.
CX-FLS-LY FORK LEVEL SWITCH
APPLICATION
CX-FLS-LY series tuning fork level controller is applicable for fixed point alarm or control in all kinds
of storage level and liquid level in tank. Solid material: rice, milk powder, sugar, salt, washing powder,
dyestuff, cement, rock powder, plastic grain etc. liquid media: water, mud fluid, pulp, dyestuff, oil, milk,
alcohol, beverage etc. and it can detect sediment in liquid! The instrument has not a movable part and
presents merits of anti-corrosion, high sensitivity and easy mounting etc.
MAIN TECHNICAL PARAMETER
1. Outline: See figure 1
2. Ambient Temperature: -25/+60C
3. Fork Body Material: copper alloy or stainless steel (order as user requirement)
4. Power Supply: AC220V/50Hz DC24V
5. Consumption: 1.5W
6. Output Signal: 2 groups of normal open and normal close contact: contact capacity:
220VAC 5A . 24VDC 10A. null has a 10/0mA output.
7. Amplitude of vibration is adjustable, easy for measuring different state and density of material.
8. Maximum Outline of Material Grain: ≤10mm
9. Maximum pressure in vessel: 1.0MPa (it should specify
pressure while ordering)
10. Working Temperature in Vessel: -20/+200℃ (it should
specify temperature while ordering)
11. Vibration Frequency of Tuning Fork: about 200 Hz
12. Amplitude of Vibration at Tip of Tuning Fork: about 0.5mm
13. Damp Time Delay of Tuning Fork: about 2 S
14. Free Time Delay of Tuning Fork: about 7 S
15. Medium should be none viscous material: without the contain corrosive material to fork body
OPERATIONAL PRINCIPLE
It is a field mounting instrument consisted by tuning fork and electronic box. Communication emitting part:
to fix 2 groups of piezocrystal at tip end of tuning fork, one group is a drive element to drive tuning fork
producing vibration, another group is a detecting element to change fork vibration into voltage. While both
of them are connected with input and output of amplifier in electric box separately, it forms a mechanical
—electronic oscillating electric.
When tuning fork is barred , amplitude of vibrator will be getting small, relay is coupling , then terminal will
be transfer a switch signal and 0mA current(current output is less than 1mA and more than 0mA).
When tuning fork is non barred , amplitude of vibrator is getting strong, relay is releasing, then terminal will
be transfer a switch signal and 10mA current(current output is more than 10mA and less than 11mA).
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