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Name:Compact type tuning fork level switch
Model:YH-301B
Measurement medium:liquid, powder, particle
Probe material:SS304 or SS316
Working temperature:-20℃~80℃
Medium density:solid ≥0.1g/cm3; liquid ≥0.7g/cm3
Power supply:20~250VAC or 20~60VDC

1. Working temperature: -20℃~80℃
2. Environment temperature: -20℃~60℃
3. Environment humidity: ≤95%RH
4. Measurement medium : liquid, powder or particle
5. Measurement medium density: solid ≥0.1g/cm3; liquid ≥0.7g/cm3; 
6. Measurement particle size: ≤10mm
7. Maximum liquid viscosity: <1000mm2/S
8. Measurement medium angle of repose: ≥200
9. Pressure range: ≤1MPa
10. Material of shell and fork: 1Cr18Ni9Ti
11. Protection: IP65
12. Connection: G1 3/4  thread; flange


Dimensions

301b1.jpg

Terminal Diagram

QQ截图20190328141125.jpg

Wiring Diagram

23.jpg


Excellent adaptability: no influence by different electric index and material density, structure, stirring, bubble, vibration, viscosity, high temperature, high pressure;
Free of maintenance: in whole process, no need of maintenance;
No need of adjustment: not influenced by medium.

YH-301B tuning fork level limit switch is a compact type of level limit switch.

A tuning fork causes by internal crystal resonance, when the tuning fork is immersed by liquid or solid, the vibration frequency changes, and detected by the electronic circuit, then output a switch signal. Tuning fork level limit switch is immune to medium electrical parameters and turbulence, agitation, bubbles, vibration and other factors, no moving parts, so don’t need maintenance and adjustment. It is the ideal choice for complex condition.


1.  Tap water, mineral water, gasoline and diesel

2.  Liquids that can produce gas

3.  Pulp, glue, dyes, chemicals

4.  Beer, beer fermentation agent, beverage

5.  Waste water, mud, acid and alkali solution

6.  Solid powder with good mobility, small particles


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