SkyCool Pty Ltd
SkyCool Pty Ltd is a company of the new millennium, formed specifically to bring the SkyCool heat……...

The VR-21 standard piezoelectric driven vibration point level switch possesses a unique single-rod probe design with a sword-shaped blade, in order to prevent bridging of material. It does this by enabling material to easily flow by protecting against buildup on the blade.
Ideal for multiple dry and bulk powder materials, and suitable for both side and top mount applications, the VR-21 has optional hazardous location approvals to CSA standards for Class II, Division I, Groups E, F and G in the US and Canada.
It possesses three sensitivity adjustments: medium and low for materials that may tend to cling to the vibrating rod or heavier materials, and high for light and fluffy materials.
Applications
Detects materials with low dielectric constants and extremely light, fluffy materials
Can be used for low and high level indication, or plugged chute detection
Carbon black, fly ash, plastics, feed, food, chemicals, seed, grain and other materials
Materials densities from 1.25 lb./cu. ft.
Features
Switch selectable high/low fail-safe
Unique ‘blade’ probe design reduces false alarms as a result of buildup
Three sensitivity adjustments
Self-cleaning sensor
No calibration needed
Maintenance and wear free
No moving parts
Remote electronics available
Universal power supply
Specifications
Process Temp: To 176 °F standard (80 °C); to 284 °F high temp (140 °C)
Approvals: CSA hazardous location approvals for Class II, Groups E, F & G (optional)
Power Requirements: Wide range 20-250V AC/DC
Time Delay: 1 second from stop of vibration, 2 to 5 seconds for start of vibration
Probe: 304 stainless steel, 7.37 ” insertion length
Mounting: 1-½ ” NPT
Ambient Temp: -4 °F to +140 °F (-20 °C to +60 °C)
Pressure: 145 psi
Enclosure: Die cast aluminum, NEMA 4, 5 & 12
Relay: DPDT
Material Densities: From 1.25 lb./cu. ft.
Video Credit:BinMaster
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