Issue Date: August 23, 1999
Revision Date: July 27, 2009
 

Simmons Corp.

(originially listed as Caldwell Systems Corp.)

Simmons/Caldwell Tank Manager Liquid Sensor, Version TMLIQ

INTERSTITIAL DETECTOR (LIQUID-PHASE)

Detector:           

Output type:

qualitative

Sampling frequency:

continuous

Operating principle:

ultrasonic

Test Results:

Horizontal Position

unleaded gasoline

diesel

water

Response time (sec)

<1

<1

<1

Recovery time (sec)

<1

<1

<1

Lower detection limit (cm)

1.28

1.30

2.43

Precision - standard deviation (cm)

0.05

0.06

0.25

Vertical Position

 

 

 

Response time (sec)

<1

<1

<1

Recovery time (sec)

<1

<1

<1

Lower detection limit (cm)

8.56

7.59

9.27

Precision - standard deviation (cm)

0.22

0.11

0.44

Specificity Results:
Evaluator claims sensor will detect fuels or other liquids.

Comments:
Sensor is designed to alarm only when liquid is present from one end of sensor to the other.  Therefore, sensor orientation (vertical or horizontal) will effect lower detection limit.
Sensors are reusable.

 

Simmons Corp.

Evaluator:  Ken Wilcox Associates

106 E. Main Street

Tel:  (816) 443-2494

Richardson, TX 75081-3327

Date of Evaluation:  11/09/98

Tel:  (800) 848-8378

 

E-mail:  howard.dockery@simmons-corp.com  

URL:  www.simmons-corp.com

 

 

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