Natural, Combustible gas detectors: do they work?

Interested in purchasing a combustible gas detector. Are these things salutary, or does it do more harm than good?

I mean, if (God veto) there's a gas leak in the house, and this thing goes off, wouldn't this id cause an explosion since there's electricity direction through it to trigger the light/sound?


Yep, they toil. Nope, there's very little danger of the detector causing an tantrum. The reason is this...the detector will go into alarm mode Elongated before there is enough concentration of gas to be explosive. The "lower tense limit" of a gas is the concentration in air that will allow the gas to ignite. Where one lives stress gas detectors will alarm when the gas reaches about 10% - 25% of the LOWER limit. You will be alerted in oodles of time to take action.

Tif Instruments
TIF Instruments 8800A Combustible Gas Detector
Automotive Parts and Accessories (Tif Instruments)
List Price: $273.65
Price: $150.04
You Save: $123.61 (45%)
  • Broad-band combustible gas detection to provide the highest level of safety assurance
  • Includes its own rechargeable Ni-Cad batteries for years of use
  • Low battery indicator

SafetySiren
Safety Siren Combustible Gas Detector for Natural Gas (Methane) and Propane
Home Improvement (SafetySiren)
  • Easily plugs into any standard 110-120v AC electrical outlet and samples the air every 2-1/2 minutes
  • Built-in self-diagnostics assures the unit is operating properly
  • UL 1484 Certified

COLE-PARMER
MicroMAX Pro Seviceable Muligas Portable Detector with Internal Pump, Oxygen, Combustible Gas, Carbo
BISS (COLE-PARMER)
  • Range (H2S): 0 to 200ppm
  • Operates using internal sampling pump or in diffusion mode
  • Alarm set points (Combustibles): 10%; 20%

UEI
UEI CD100A Leak Detector, Combustible
Home Improvement (UEI)
List Price: $174.95
  • Sensor provides accurate detection
  • 'Tip-light' in sensor cap illuminates the search area
  • Minimum detection 50 ppm methane

TIF
Combustible Gas Detector
Automotive Parts and Accessories (TIF)
List Price: $187.95
  • Audible "Geiger counter" type signal
  • Fast warm up
  • Warns against dangerous explosive gases

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An overview of the Net Safety Millennium line of gas detector. This market proven controller is certified for industrial applications and ...

CSB Releases Bulletin on Dangers of Purging Gas Piping into Buildings

CSB Releases Communication on Dangers of Purging Gas Piping into Buildings Oct 06, 2009

In a new aegis communication based on opening findings from the ConAgra Foods understandable gas upheaval in Stock up, N.C., the U.S. Chemical Sanctuary Embark on (CSB) urged companies, gas installers, and contractors to chase solid practices during gas purging operations, including venting purged gases outdoors whenever viable.

The clap, which occurred at the Slim Jim kernel processing ingrain on June 9, 2009, killed three workers when a munificent measure out of the edifice collapsed. The destroy critically burned four others and sent a entire of seventy-one people to the sanatorium. About 18,000 pounds ammonia were released from the ingrain's refrigeration system as a end result of the clap and ensuing difficulty reply activities. ConAgra has announced that generally 300 employees will be laid off due to the addition.

The paddy occurred during the establishment of a new unsophistical gas-fired industrial ring false heater located in an core utility scope of the imprint. An staff member of Animation Systems Analysts, a North Carolina compressed under constrict to ConAgra, was purging a new three-inch gas formation in preparation for commissioning the heater. Purged gases were vented as soon as into the utility lodge. Although a billion of individuals noticed the pong of gas, purging was continued intermittently over several hours, after all greatest to the stockpile of frank gas above the diminish plastique limit (LEL). Combustible gas detectors were not cast-off during the purging mission to keep track of the concentration of gas within the utility accommodation. More than 200 employees were backwards the edifice at the together of the purging.

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