Fork type level switch8/14/2023 ![]() Sanitary connection with FDA and 3-A standars.Good performance in foam and adhesive liquids. China Tuning Fork Level Switch catalog of Vibrating Tuning Fork Level SwitchVibration Fork Sensor Level Switch, Vibration Tuning Fork Level Switch Liquid.Can be used in storage tank, stirring tank, mixer tank, filter tank.Liquids such as water, cream, soy-bean, liquor Tuning Fork Level Switch uses a metal tuning fork structure to detect the presence of a liquid or solid (powder or granules) in a vessel: Tuning Fork Level Switch An electronic circuit continuously excites the tuning fork, causing it to mechanically vibrate.Powders such as mil powder, flour, cellulose, powder, sugar,beans, spices, coffee, beans.This device can withstand fiercely lateral loads and static electricity.įor friendly use, Fail-safe is equipped as standard to prevent malfunction caused by power shortage. Just a simple mounting and calibration procedure that keep your facility in save and monitoring. Tuning fork of level switch provides reliable & maintenance-free for bulk solids. While the probe contacts material, it will cause the frequency change of output signal and the vibration will hold and send out the relay on at the same time. The first piezoelectric element triggered by pulse signal that created from circuit to transport vibration energy out, and the other piezoelectric element receives the vibration and transmits it to output electric signal. The tuning fork of level switch operated by using two piezoelectric elements built-in on vibration tube. It is suitable for detecting the level inbins, silos, and hoppers, which filled with powdered materials Of diferente density. Wide voltage supply range 20-250Vac/dc 50/60Hz Hihg / low faillure safe modes. The resonator utilizes a piezoelectric driven tuning fork that exhibits a large change in resonant frequency when immersed in any liquid. It is durable and easy to use, non calibration required. The ProSense VFL Series of level switches is offered in two process connection sizes with short and extended insertion lengths, standard and high temperature constructions, and a 3-wire DC switch output for connection to controller inputs or a 2-wire AC/DC switch for control of valves and pumps. Router industrial M2M, IOT, Vehiculares, Ferroviarios. ProSense Vibration Fork Liquid Level Switches.Data acquisition system for optical sensors.Industrial PoE (Power over Ethernet) Solutions.Tarjetas de memoria compatibles S7-1200 y S7-1500.Safety instruments for conveyor systems.You can easily replace the electronics as shown.4 in turn-off failsafe high or maximum & when the sensor is installed for low level keep the DIP switch no. When the sensor is installed for high level keep the DIP switch no. Fail safe can be set via DIP switch No.4.ON the DIP switch No.3 and fill the material you can see LSV wait for 5 sec and after 5 sec it generate switching. On the DIP switch No.2 and empty the material you can see LSV wait for 5 sec and after 5 sec it generate switching. You can set the sensitivity through DIP switch No.1.Relay status also change from NC to NO.You can see the status LED of LSV is on means material reaches to the high level.Now we fill the material solids, granuals or powder up-to the fork tines level.Power LED is on and status LED is in OFF condition. Trumen vibrating fork level sensor (LSV) starts vibrating in air.Connect the power supply either 15 to 80VDC or 15 to 260VAC on terminal 1 & 2.Means if we are using sensor for high level we should keep this switch OFF.Īnd if we are using sensor for low level we should keep this switch ON. 4 is to set failsafe means the instruments should be in alarm condition if the sensor facess power failure. 3 is to set wet delay means on delay, sensor will wait for 5sec. 2 is to set dry delay means off delay, sensor will wait for 5 sec. Keep it turned-off for normal density (more than 200gm/litre) materials. Electronics of LSV excites the piezo-electric-crystals inside the tuning fork, which makes the fork tines vibrate at their natural resonance frequency in free. 1 in this condition LSV will sense the material. There are 4 DIP Switches provided on connection panel Via DIP switch 1 we can set the sensitivity that means if the material is fluffy in nature or having low bulk density (less than 200gm/litre) we need to ON switch no. Terminal 4, 5, 6 & 7,8,9 are for relay output. ![]() Terminal 1, 2 & 3 are for auxiliary power supply. Open the cover of Trumen LSV you can see there are 9 terminals. The vibrating fork level switch is ideal in free flowing powders and granules, most commonly found in the agriculture and cement industries. Device operation and settings:Trumen vibrating fork level switch is very easy to operate.
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