Vibrating Fork Level Switch

SMARTsaa make Vibrating Fork Level Switches find application in food , packaging , Cement, steel & power generation industries for monitoring level of free flowing products like fertilizer, food grains, coal, sand, chips, granules etc. Switch is Ideal for products that do not have heavy build-up on fork. Can sense dense materials like cement. It also senses extremely light products like styrene. Not recommended for mud, slurry, sticky material or water with high turbidity. 

Vibrating Fork Level switch contain Piezo-electric crystal in the probe, which causes the fork to vibrate at a frequency of 125 Hz. It detects the presence or absence of material and actuates a relay. It gives point output, indicating high & low level alarm. It is having compact and robust design, suitable for side & top mounting. The constant vibration of the fork provides self-cleaning characteristics. The change in vibration is detected by circuit which causes the relay to change state after few seconds delay ( about 2-3 seconds). When fork is free from material relay reverts to its normal condition.

• No calibration required, simple to install.
• Performance independent of material characteristics i.e. change in conductivity, di-electric constant.
• No moving parts, hence no wares and tears.
• Weatherproof enclosure, SS 316 for food industry.
• Field selectable operation logic: configurable high or low point switching.
• Two types of designs are offered:
• VIBRATING FORK TYPE LEVEL SWITCH FOR LIQUIDS: VFLS L
• It is specially designed for liquid level sensing. Have miniature size of fork and can get fitted in small size tank.
• Application: All types of liquids, viscosity up to 10000 cSt  and  free flowing powders
• VIBRATING FORK TYPE LEVEL SWITCH FOR POWDER, GRANULES AND SOLIDS: VFLS 
• It is a heavy duty level switch specially designed for powders and solids. 

• Material Size : Up to 10 mm.
• Material bulk density : 0.05 Kg/dm3 minimum.
• Fork Length : Min 200, Max up to 2500 mm, 
• Control supply : 230 V AC (standard) Other supply voltages on request 
• Output : 2 C/O relay contact, rated for 5 Amp. Resistive at 230 V AC.
• Ambient Temp : 60 degree cent max.
• Temp in vessel : 150 degree cent max.
• Enclosure : Cast Al, IP 65, integral with probe / Flameproof
• Max pressure in vessel : 10 Kg/cm2 max
• Mounting :Screwed : 11 inch BSP / Flanged