Tuning Fork Level Switch

CWB13 Liquid Vibrating explosion proof tuning fork level switch is reliable, cost effective and very popular for use in detecting the presence or absence of liquids and bulk solid materials.  The CWB13 Liquid Vibrating explosion proof tuning fork level switch working principle is based upon detecting the change in harmonic vibration frequency of the sensing element as a result of the presence of the target media. The CWB13 Liquid Vibrating explosion proof tuning fork level switch working principle uses a tuning fork shaped sensing element with two tines inserted into the bin or tank where the target media will be present.  The tuning fork sensing element is placed into vibration at its natural resonant frequency by establishing motion in the sensing element or fork.

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Description


The company's CWB13 Series Tuning fork level switch is tuning fork by piezoelectric crystal and inherent frequency of tuning fork. It can monitor continuously to the change of frequency. When the tuning fork switch is used for low alarm (or low position control), the medium in the vessel is discharged downward passing through the tuning fork. When it is lower than the specific location and change the inherent frequency, this change is detected by electronic component, the output state is shifted; when it is used for high alarm (or high position control), the medium in the vessel go upward and contact with tuning fork which can shift the output state. changes, these changes are detected by the intelligent circuit, and converts it into a switch signal.


Features


High adaptation: no influence on electrical parameter and density of medium, suitable for various conditions. Scaling ,stir, turbulent flow, bubble ,vibration, middle viscosity, high pressure, high temperature etc. No calibration: no need for calibration on spot since no impact on electrical parameter and density of medium. Maintenance-free: no moving parts, no need to maintain after installation. Various Power supply: he vibrating fork level switch is 20~250VAC, 20~60VDC,Suitable for all Power supply place. Various Connection: The level switch with flange and thread connection for you reference.


Application


Whatever feed,mud and drive or pulp,glue and dye.the level switch is suitable Water, mineral water Waste water, sewage, slurry, acid alkali solution Beer, beer starter culture, juice, beverage Paper pule, glue,dye,solid power and other similar good mobility materials Diesel and other similar dangerous liquids/ hazardous conditions.


Specification


Power 18~36VDC /85~250VAC
Output 3A/250VAC SPDT/NPN/PNP(can be set independently)
Particle size ≤10mm
Temperature -20···80°C /200°C/500°C
Pressure Range ≤4MPa
Material SUS304+PTFE(Special design)
Application Liquid, powder or granular solid
Liquid viscosity <1000mm²/s
Process Connection G1/2" / NPT 1''/Flange/Sanitary
E-Connection M12xP1.0 / DIN or customize

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