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Photoionization detectors are commonly used for detection of volatile hydrocarbons and other organic vapors. Gas molecules are ionized by ultraviolet light and the resulting ion current is directly proportional to the gas concentration. PID systems provide a rudimentary degree of chemical specificity because only chemicals with ionization potentials below the energy output of the PID lamp can be detected.

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3M (1)
3M™ Scott™ Fire & Safety (1)
Airsense Analytics (8)
Crowcon Detection Instruments (1)
Defiant Technologies (3)
Detcon, Inc. (1)
Dräger Safety, Inc. (5)
Enmet Corporation (1)
FLIR Systems, Inc. (1)
Honeywell Analytics (2)
Industrial Scientific Corporation (2)
INFICON (2)
International Sensor Technology (1)
Mil-Ram Technology, Inc. (1)
Mine Safety Appliances Company (MSA) (1)
OI Analytical (1)
PID Analyzers LLC (2)
RAE Systems, Inc. (10)
RKI Instruments (3)
Smiths Detection, Inc. (2)
Thermo Fisher Scientific, Inc. (2)
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Transportability
Pocket Size (6)
Handheld (35)
Person-Portable (7)
Benchtop/Fixed (2)
Other (1)
Availability
Commercially Available (35)
Commercially Available: 30 to 60 days for delivery (1)
Discontinued (15)
Unit Cost
< $100 (1)
$100 - $500 (1)
$500 - $1,000 (3)
$1,000 - $5,000 (17)
$5,000 - $10,000 (3)
$10,000 - $20,000 (2)
$20,000 - $50,000 (8)
$50,000 - $100,000 (3)
N/A (13)
Sample Introduction
Solid (1)
Liquid (2)
Vapor/Gas (48)
Sensitivity / Detection Limit
% (4)
ppm (38)
ppb (5)
ng (1)

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Instrument (48)
Sensor (3)

TRL

9 (51)

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<1 Lb (10)
<5 Lbs. (22)
<30 Lbs. (19)

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Alkaline Battery (20)
Lithium Battery (13)
NiMH Battery (6)
AC/DC Line Power (11)

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<1 hour (1)
<1 day (36)
<1 week (9)

ITAR/EAR/IATA Regulated

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No (1)

Response Time

Continuous (<30 seconds) (33)
<1 minute (8)
<5 minutes (6)
<15 minutes (4)

Supporting Data Available

Other (4)

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Other (1)

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<1 year (5)
<5 years (10)
>5 years (29)

Consumables Required

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<$1,000/year (32)
>$1,000/year (4)
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