Issue Date: January 27, 2011

 

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:

Model DCS140L LiquidSensor

 unleaded

gasoline

#2 diesel

water

E85

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 (sec)

<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

Evaluator: Ken Wilcox Associates

100 Mechanic Street

Tel: (816) 443-2494

Pawcatuck, CT  06379

Date of Evaluation: 07/09/09

Tel:  (860) 495-0522

 
E-mail: djgoodman@beaudreau-electric.com  
URL: www.beaudreau-electric.com  
 

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