FLOW, LEVEL & CONTROL FEATURE
have to be expensively replaced. It is also desirable to avoid spillage or overflow of the expensive cutting fluid. The SICK LFP Cubic level sensor detects
the low or high level, starts the reservoir top up process or communicates an alarm to the control board.
THE APPROPRIATE SENSING TECHNOLOGY In other coolant management systems from Cromar, the SICK LFP Cubic level sensor can be used with a co-axial tube, with a stainless steel, perforated sleeve fitted over the sensor probe. This adaptation is recommended where the liquids measured have a very low dielectric (e.g. neat oils) and for use where, as in Cromar filtration units, metallic protrusions inside the tank close to the level probe could otherwise disrupt the sensing of the reflected radar pulse.
PRE-CONFIGURED SERVICE The cost-effectiveness and versatility of the LFP Cubic have led to it finding new uses with SICK customers because it is universally-adaptable and quick to commission. The versatility of the guided-wave radar technology enables the LFP Cubic to be shortened to a desired length, rather than ordering custom length probes.
In the case of Cromar, SICK supplies LFP
Cubic level sensors pre-configured, so they can be easily mounted into the assembled filtration units without additional set up requirements, minimising disruption to the process. Hartley adds: “SICK LFP Cubic probes can also be easily tailored to different sizes of tank when bespoke sizes are required, or shortened to the desired length on site. SICK’s level sensors can also be retrofitted to existing Cromar installations in service providing improved reliability and protection. “Previously, Cromar needed to store a range of probe lengths. We were able to reduce their stock inventory significantly by supplying SICK LFP Cubic probes at a set length, with the ability still to cut the probe on site, when the application demands it.” Lister adds: “Another feature of the SICK
Above: The level
detection provided by the SICK LFP Cubic probe is not affected by changes in the fluid properties, or other contaminants in the fluid, or by the layer of foam that can
sometimes build up over the liquid surface
technology is the output can be configured as digital, analogue and IO- Link. Some of our engineering customers prefer an analogue output as this can be set up to provide a warning signal before the level reaches the critical point. “Overall, with the SICK LFP technology our customers have reported high levels of reliability. The LFP guided wave radar level sensor has proven to offer high consistency over long periods. So we can be confident our customers’ machining operations are very well protected and they can plan for less maintenance downtime.”
Left: The output can be configured as digital, analogue and IO-Link
SICK
www.sick.com T: 01727 831121
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