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
|
|
|