New mercury-free tilt sensor

THERMO Fisher Scientific Inc. have launched the Thermo Scientific Ramsey mercury-free tilt sensor, incorporating advanced probes and controls designed to provide enhanced stability, sensitivity and performance. Specially developed to address environmental concerns and meet government regulations, the new units are easy to install and available with various probe assemblies, making them well suited to a wide range of production and process applications in the aggregate, coal mining/processing, and mineral mining/processing industries.

The sensor is actuated when material causes the probe to tilt at an angle of 15 degrees or more from its vertical position. The internal sensor has a 360-degree design and is precisely positioned so that, regardless of the direction of tilt, its normally closed contacts will open at 15 degrees. A hanger assembly is provided with every probe to allow the probe to be placed in the optimum position for each individual process.

The standard Ramsey mercury-free tilt sensor probe uses a rugged, cast ductile-iron housing with a nickel chrome finish for maximum abrasion resistance. In addition, the fully potted internal electronics provide a high level of impact resistance. According to the manufacturers, the probes will perform consistently and provide long service life in even the harshest applications. For special installations, different probe options are also available, including stainless steel, extra-heavy or extra-light housings.

Typical applications include: high-level detection in bins and vessels in a variety of materials; plug detection for chutes or transfer points; level control in volumetric batching; motion control for stackers and loading spouts; crash probe for tripper cars; and starvation or no-flow detection for belt and vibratory feeders.