Vibrating probe buildup resistant rods avoid false alarms
Mike Edwards
Products BinMaster buildup resistance dry materials false alarms measurement vibrating rods
VR Series vibrating rods from BinMaster feature a unique, sword-shaped blade said to encourage material to flow by it easily to resist buildup and false alarms.
The single rod design prevents bridging that can be associated with tuning fork designs, the company says. The sensor is appropriate for materials such as Styrofoam, plastic pellets, sawdust, carbon black, chalk, and flour that can be hard to measure.
A switch on the sensor board inside the housing of the VR-21, -31, -41, and -51 has three sensitivity settings:
- high sensitivity for extremely light or fluffy materials with a low dielectric constant;
- medium sensitivity is used for a broad range of materials and applications; and
- low sensitivity for materials that might tend to cling to the blade or heavy materials.
The standard VR-21, rigid extended VR-41, and flexible extended VR-51 are available with optional CSA hazardous location approvals for Class II, Groups E, F and G.
The VR-90 and VF-90 can be manufactured for a variety of ATEX, FM, and CSA Class I environments.
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