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Item # 730-5135, VR-21







The VR-21 is BinMaster’s standard piezoelectric driven vibration type point level switch, which has an insertion length of 7.37 inches. Its unique single-rod probe design with a sword-shaped blade prevents bridging of material, making it superior to typical “tuning fork” designs by allowing material to easily flow by, preventing build up on the blade. It is suitable for both top and side mount applications and is ideal for a wide variety of dry and bulk powder materials including extremely light, fluffy materials. 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 features three sensitivity adjustments – high for light and fluffy materials, medium, and low for heavier materials or materials that may tend to cling to the vibrating rod. It is easy to install, mounting to the vessel via a standard 1-1/2 inch NPT mounting socket and requires no calibration. Features include a self-cleaning sensor, switch selectable high/low fail-safe, and an auto sensing power supply which can accommodate 20 – 250 volts AC/DC. Remote electronics via a point level alarm panel are available to alert to bin levels for four up to 24 individual sensors.

 

Features:
• Unique “blade” probe design reduces false alarms caused by buildup
• No calibration required
• Wear and maintenance free
• No moving parts
• Three sensitivity adjustments
• Universal power supply
• Self-cleaning sensor
• Remote electronics available
• Switch selectable high/low fail-safe

 

Specifications:
• Power Requirements: Wide range 20-250V AC/DC
• Relay: DPDT
• Time Delay: 1 second from stop of vibration, 2 to 5 seconds for start of vibration
• Ambient Temp: -4°F to +140°F (-20°C to +60°C)
• Process Temp: To 176°F standard (80°C); to 284°F high temp (140°C)
• Pressure: 145 psi
• Enclosure: Die cast aluminum, NEMA 4, 5 & 12
• Probe: 304 stainless steel, 7.37” insertion length
• Mounting: 1-1/2” NPT
• Material Densities: From 1.25 lb./cu. ft.

 

Applications:
• Suitable for high and low level indication, or plugged chute detection
• Detects extremely light, fluffy materials and materials with low dielectric constants
• Materials densities from 1.25 lb./cu. ft.
• Carbon black, plastics, fly ash, feed, seed, grain, food, chemicals and other materials


 







Specifications

Model

VR-21

Description

Vibrating rod level sensor, 20 to 250V AC/DC, 7.37” insertion length, process temp to 176°F (80°C), triple thread screw-off cover, dual conduit entries, DPDT relay contacts, selectable fail-safe protection, FDA recognized powder coat finish, LED status indicator light

Voltage

20 to 250 VAC

Temperature

80 ºC
176
ºF

Manufacturer

BinMaster


 DOWNLOADS 

Vibrating Rod Brochure
(PDF, 693KB)

Vibrating Rod Manual
(PDF, 6582KB)

Procap & Vibrating Rod Application Worksheet
(PDF, 238KB)

SPANISH- BinMaster Catalogo Digital
(PDF, 4933KB)

Level Indicator Product Selection Chart
(PDF, 1138KB)

BinMaster Full Line Brochure
(PDF, 2494KB)



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