Issue Date: June 5, 1998
 Revision Date:  April 8, 2011

Veeder-Root

Dispenser Pan Sensor 847990-001 and Differentiating Dispenser Pan Sensor 847990-002 with
Dispenser Control Interface

INTERSTITIAL DETECTOR (LIQUID-PHASE)

Detector:         

Output type:

qualitative

Sampling frequency:

continuous

Operating principle:

product permeable, reed switch/float

 Test Results:

 

polymer strip

float switch
 

unleaded gasoline

diesel*

water

Dispenser Pan Sensor 847990-001

      

Detection time (sec)

<1

<1

<1

Minimum product level (in)

1.71

1.66

1.62

Precision (in)

0.006

0.004

0.008

Differentiating Dispenser Pan Sensor 847990-002

 

 

 

Minimum product thickness (in)

0.06

0.06

N/A**

Minimum product level (in)

0.03

0.06

6.39

Precision (in)

N/A***

N/A***

0.008

Detection time (min:sec)

06:30

19:50

<00:01

 

*Evaluations determined these sensors' responses to the liquids shown above and those indicated in the following 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.

**See glossary.
***Tested at discrete levels only.

Specificity Results (in addition to above):
 Activated:  synthetic gasoline, n-hexane, toluene, xylene(s)
Not activated:  water (polymer strip only)

Comments:
Sensors are reusable.
These sensors do not require a console.

 

Veeder-Root

Evaluator:  Ken Wilcox Associates

125 Powder Forest Dr.

Tel:  (816) 443-2494

Simsbury, CT  06070-2003

Dates of Evaluations:  11/15/93, 11/02/98

Tel:  (860) 651-2700

 

E-mail:  info@veeder.com

URL:  www.veeder.com

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