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Performance Report
UST Program - LG 113

UST Programs - LG 113

Issue Date: March 11, 2011

Preferred Utilities Manufacturing Corporation
TG-EL-D4A Fuel Sentry Control Unit,
RBS Non-Discriminating Sensor for Sumps and Containments

Detector Output Type Qualitative
Sampling Frequency Continuous
Operating Principle Reed Switch/Float
Test Results RBS Rupture Basin Switch
(Sumps and Containments)
Unleaded Gasoline
Detection time (sec)
Fall time (sec)
Lower detection limit (in)
Comments Control panel: Six intrinsically safe sensor inputs can be used for level indication and/or leak detection. Provides audible and visual alarms.
Sensor: Primarily designed for use with diesel fuel and other distillates but can be used with other fluids - see mfg. for specific limitations.
*This evaluation determined the sensors' responses to the liquids shown above. Biodiesel blends B6-B20 meeting ASTM D7467 and biodiesel B100 meeting ASTM D6751 would also produce an alarm if the sensor threshold is exceeded. Responses to these fuels were not determined, but would be expected to be very similar to the diesel responses.
Detects leakage into day tank rupture basins and double wall piping leak containment systems containing diesel or distillate fuel oils.
Horizontally mounted switch has redundant vpor and fluid sealing provisions, level float operated and magnetically activated.


Preferred Utilitites Manufacturing Corporation

Evaluator:  Ken Wilcox Associates

31-35 South Street

Tel:  (816) 443-2494

Danbury, CT 06810

Date of Evaluation:  6/17/10

Tel:  (203) 743-6741


Email: DCosgrove@preferred-mfg.com  
Website: www.preferred-mfg.com  

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