Issue Date: January 27, 2010
Beaudreau Electric Marketing, LLC
Model MPC100 Controller with Models DCS140L, DCS140NL Liquid Sensors and Model DCS140D Discriminating Liquid Sensor
Interstitial Detector (Liquid-Phase)
Detector
| Output Type | Qualitative (DCS140L & DCS140NL), discriminating (DCS140D) |
|---|---|
| Sampling Frequency | Continuous |
| Operating Principle | Float switch |
Test Results
| Unleaded Gasoline | #2 Diesel | Water | E85 | |
|---|---|---|---|---|
| Model DCS140L LiquidSensor | ||||
| Detection time (sec) | <1 | <1 | <1 | <1 |
| Fall time | Manual reset | Manual reset | Manual reset | Manual reset |
| Precision - standard deviation (in) | 0.019 | 0.028 | 0.017 | 0.021 |
| Lower detection limit (cm) | 1.064 | 1.094 | 0.915 | 1.086 | Model DCS140NL Liquid Sensor |
| Detection time (sec) | <1 | <1 | <1 | <1 |
| Fall time | <1 | <1 | <1 | <1 |
| Precision - standard deviation (in) | 0.022 | 0.014 | 0.015 | 0.014 |
| Lower detection limit (cm) | 1.211 | 1.068 | 0.918 | 1.077 | Model DCS140D |
| Detection time (sec) | <1 | <1 | <1 | - |
| Fall time (sec) | <1 | <1 | <1 | - |
| Precision - standard deviation (in) | 0.003 | 0.006 | 0.004 | - |
| Lower detection limit (cm) | 0.878 | 0.813 | 0.691 | - |
Specificity Results
Manufacturer and evaluator claim sensors will respond to any liquid but evaluator only tested for liquids identified above.
Manufacturer's specifications
Manufacturer states that systems require no calibration.
Annual functional test required.
Model DCS140D generates alarms on fuel detection and high liquid while Models DCS140L and DCS140NL generate an alarm on liquid detection.
Comments
Each sensor is reusable.
If liquid is detected at any of the threshold levels, a fuel alarm will be triggered.
The output from the system can be used to shut down the turbines when fuel is present or when water reaches the high level switch.
- Beaudreau Electric Marketing, LLC
100 Mechanic Street
Pawcatuck, CT 06379
Tel: (860) 495-0522 - Evaluator: Ken Wilcox Associates
Tel: (816) 443-2494
Date of Evaluation: 07/09/09
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