Issue Date: November 22, 1995
Revision Date: August 23, 1999

Tidel Engineering, Inc.

EMS-3500 with Monitoring Well Probe Part 301-0641, Sheen Probes Part 301-0687, 
Tidel Detector #301-0762

OUT-OF-TANK PRODUCT DETECTOR (LIQUID-PHASE)

 

Detector:

Output type:

qualitative

Sampling frequency:

continuous

Operating principle:

conductivity via resistor ladder network (Monitoring Well Probe Part 301-0641), electrical conductivity/hydrocarbon sensitive polymer (Sheen Probes Part 301-0687 and Tidel Detector #301-0762).

Test Results:

unleaded gasoline

synthetic gasoline

Monitoring Well Probe Part 301-0641

Detection time (min:sec)

0:04

0:07

Fall time (min)

<1

<1

Lower detection limit (cm)

0.32

0.32

Sheen Probes Part 301-0687

 

 

Detection time (min:sec)

7:45

3:35

Fall time (min:sec)

18:01

16:57

Lower detection limit (cm)

0.02

0.04

Tidel Detector #301-0762

 

 

Detection time (min:sec)

9:31

7:05

Fall time (min:sec)

55:42

17:04

Lower detection limit (cm)

0.04

0.08

Specificity Results (in addition to above):
Activated:  n-hexane, diesel, jet-A fuel, JP-4 jet fuel (except Sheen Probes Part 301-0687), toluene, xylene(s).

Comments:
Sensors are reusable.

 

Tidel Engineering, Inc.

Evaluator:  Carnegie Mellon Research Institute

2025 West Beltline Road, #114

Tel:  (412) 268-3495

Carrollton, TX  75006

Dates of Evaluation: 02/02/93, 01/31/93, 03/18/93

Tel:  (800) 678-7577

 

 

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