Issue Date:   January 11, 2001

Revision Date:  April 8, 2011

Containment Solutions, Inc. 
(originally listed as Fluid Containment and O/C Tanks)

DDAS 910 Discriminating Sensor for Dry Annular Spaces; 
DCBS 900 Discriminating Sensor for Collars, Bulkheads, Sumps

INTERSTITIAL DETECTOR (LIQUID-PHASE)

Detector:           

Output type:

qualitative

Sampling frequency:

continuous

Operating principle:

capacitance change

Test Results:

DDAS 910 Discriminating Sensors for

unleaded gasoline

synthetic gasoline

Dry Annular Spaces

 

 

Accuracy (%)

100

100

Detection Time (sec)

<1

<1

Fall Time (sec)

manual reset

manual reset

Lower Detection Limit (in):

0.32

0.36

DCBS 900 Discriminating Sensor for Collars, Bulkheads, Sumps

 

 

Accuracy (%)

100

100

Detection Time (sec)

<1

<1

Fall Time (sec)

manual reset

manual reset

Lower Detection Limit (in):

0.76

0.74

 

Specificity Results (in addition to above):
Activated:  n-hexane, diesel, jet-A fuel, toluene, xylene(s), water.

Evaluations determined these sensors' responses to the liquids shown above as well as those indicated in this section.  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:
Control panel models:
CPF 1, CPF 2, CPF 3, CPF 4 for liquid level sensors;
CPI 1D, CPI 1H, CPI 1N  inventory control for liquid level sensors and 1 tank;
CPD 1, CPD 2, CPD 4 for discriminating liquid level sensors;
CPI 4 inventory control for liquid level sensors and up to 4 tanks;
BOMC battery operated control cap for liquid level sensors;
CCF 1DA battery operated control cap for dry annulus monitoring;
CCF 2 battery operated control cap for hydrostatic reservoir monitoring.

 

Containment Solutions, Inc.

Evaluator:  Ken Wilcox Associates

5150 Jefferson Chemical

Tel:  (816) 443-2494

Conroe, TX 77301-6834

Date of Evaluation: 06/11/99

Tel:  (800) 628-2657

 

E-Mail:  dheiman@csiproducts.com
URL:  www.containmentsolutions.com  
 

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