Turning Fork Level Switch

Tuning fork level limit switch is a common type of level limit switch, excited

by a piezoelectric crystal tuning fork.

When liquid, solid touch the tuning fork, the fork vibration frequency

changes, which will be detected and output a switch signal.

TECHNICAL DATA

Medium temperature:  -20 ℃ ～ 220 ℃

Environmental temperature:  -20 ℃ ～ 80 ℃

Environment humidity： ≤ 95%RH

Medium Liquid, powder, or solid particle

Medium density： solid ≥ 0.1g/cm 3；liquid ≥ 0.7 g/cm 3

solid particle diameter： ≤ 10mm,  Liquid viscosity： ＜ 1000mm 2/s

Pressure range： ≤ 1Mpa,  Fork material： 1Cr18Ni9Ti  (SS 304)

Electric entry： G3/4,  Explosion proof：

Process connection： 1” NPT ； G3/4 ； G11/2 thread; or Flange

Power supply： DC24V ； AC220V 50Hz,  Relay capacity：  8A 220V AC

DC Voltage output： 0 - 5V,  DC current output： 0 - 10mA

Power consumption： ≤ 2W,  Fork vibratory frequency： 300 ± 50Hz