Issue Date: August 3, 2015

Franklin Fueling Systems

Incon TS-1001/2001, TS-5, TS-550, TS-5000, TS-550 evo, and TS-5000 evo with FMP-DIS Discriminating Interstitial Sensor and FMP-EIS Electro-Optical Interstitial Sensor

Interstitial Detector (Liquid-Phase)

Detector

Output Type Qualitative
Sampling Frequency Continuous
Operating Principle Conductivity, electro-optic

Test Results

  Unleaded Gasoline Diesel* Waste oil Water E85
TFMP-DIS
Detection time (min) <1 <1 <1 <1 <1
Fall time (min) <1 <1 <1 <1 <1
Detection limit (in) 0.2996 0.3057 0.2934 0.3134 0.2886
TFMP-EIS
Detection time (min) <1 <1 <1 <1 <1
Fall time (min) <1 <1 <1 <1 <1
Threshold level (in) 0.2718 0.2728 0.2534 0.2792 0.2700

Manufacturer and evaluator claim that sensors will respond to any liquid. Evaluations determined these 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.

Comments

Sensors can be removed, cleaned and reinstalled if an alarm is triggered or if the sensor is periodically tested. The FMP-DIS and FMP-EIS sensors are identical in operation and communication to Franklin Fueling System's TSP-DIS and TSP-EIS sensors. The FMP-DIS and FMP-EIS sensors can connect to any INCON console with no software or setup changes. FMP-DIS and FMP-EIS sensors can be distinguished from TSP-DIS and FMP-EIS sensors by the part number on the label that begins with "FMP" instead of "TSP." The TSP-DIS, TSP-EIS, FMP-DIS and FMP-EIS sensors appear as the same device from the automatic tank gauge.

The FMP-DIS sensor uses two conductive pins to detect whether the liquid is water or fuel. When tested in three mixtures of water/E85 (i.e., 20%/80%; 30%/70%; and 70%/30%), the FMP-DIS sensor went into alarm when subjected to the upper and lower layers of water/E85. For the upper layer containing hydrocarbon, the DIS sensor indicated a product or alarm as designed. For the lower layer of liquid, the DIS sensor indicated a "water" alarm.

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