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

Tidel Engineering, Inc.

EMS-3000 301-0328-001, 301-0330-001
and
EMS-3500 Vapor Sensor Probe Part #301-0634

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

Detector:

Output type:

qualitative

Sampling frequency:

continuous

Operating principle:

adsistor

Test Results:

unleaded gasoline

synthetic gasoline

JP-4 jet fuel

EMS-3000
301-0328-001, 301-0330-001

Detection time (min:sec)

1:31

1:05

1:26

Fall time (min:sec)

5:39

4:23

9:38

Lower detection limit (ppm)

10-100

10-500

10-50

EMS-3500
Vapor Sensor Probe Part #301-0634

 

 

 

Detection time (min:sec)

2:46

1:41

1:50

Fall time (hr)*

>1

>1

>1

Lower detection limit (ppm)

100

500

100

* The vapor sensor probe was recalibrated when it did not recover, after 1 hour, from exposure to test vapors.

Specificity Results (in addition to above for EMS-3000 301-0328-001, 301-0330-001):
Activated:   toluene, xylene(s)
Not Activated:   n-hexane.

Specificity Results (in addition to above for EMS-3500 Vapor Sensor Probe Part No. 301-0634):
Activated:  n-hexane, toluene, xylene(s).

Manufacturer’s specifications:
EMS-3500 Vapor Sensor Probe Part No. 301-0634 is for use in normally dry monitoring wells to detect hydrocarbon vapors.  It can be used in monitoring wells up to 20 feet deep.  The probe will alarm if it comes in contact with water and must be removed immediately to prevent damage to probe.

Comments:     
EMS-3000 lower detection limit has been statistically determined to be within the range specified above.

 

Tidel Engineering, Inc.

Evaluator:  Radian Corp.

2025 West Beltline Road, #114

Tel:  (512) 454-4797

Carrollton, TX  75006

Dates of Evaluation:  07/08/91 , 03/18/93

Tel:  (800) 678-7577

 

 

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