Issue Date: April 18, 1997
Revision Date: June 5, 2002
 

Gems Sensors, Inc.
(originally listed as Warrick Controls, Inc.)

Model DFP-25 Sensor

INTERSTITIAL DETECTOR (LIQUID-PHASE)

Detector:         

Output type:               qualitative

Sampling frequency:    continuous

Operating principle:     product solubility

 

Test Results:

 

 

unleaded gasoline

diesel

water

Detection time (hr:min:sec)

0:06:50

4:14:40

N/A

Fall time**

N/A*

N/A

N/A

Lower detection limit (cm)

2.54

2.54

N/A

* See glossary.
**Fall time is not applicable, since sensor must be replaced after activating.

Specificity Results:
 Activated:  Evaluator claims that this sensor will respond to any material that is capable of dissolving the hydrocarbon-sensitive wax.
Not Activated:  Water.

Comments:
Sensor is activated when hydrocarbon-sensitive wax is dissolved, releasing a spring that activates an alarm.
Sensor is not reusable, and must be replaced after contact with hydrocarbons.
Liquid level was set at 1 inch (2.54 cm) during test.

 

Gems Sensors, Inc.

Evaluator:  Ken Wilcox Associates

1 Cowles Rd.

Tel:  (816) 443-2494

Plainville, CT 06062-1198

Date of Evaluation:  11/18/96

Tel: (800) 378-1600

 
 

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