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GAS DETECTOR entries in Index to How To Do It Information
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

GAS DETECTOR
x   VAPOR DETECTOR
xx   ALARM & SIREN

Tips on selecting the location for installation of carbon monoxide detectors.
CANADIAN HOME WORKSHOP Jul-Aug 1998 (v.21#10) pg. 54

Automotive exhaust emissions analyzer. Easy to build instrument measures carbon monoxide level.
COMPUTERS & PROGRAMMING Jul-Aug 1981 (v.21#4) pg. 63

Combustible gas alarm. Detect reducing gases before they reach explosive levels. Est. cost: $49 (kit).
ELECTRONICS NOW Jul 1993 (v.64#7) pg. 39
Added Info ELECTRONICS NOW Nov 1993 (v.64#11) pg. 88
Added Info ELECTRONICS NOW Feb 1994 (v.65#2) pg. 17
Added Info ELECTRONICS NOW May 1994 (v.65#5) pg. 15

Portable carbon monoxide detector uses a chemical card (the kind with a spot that turns black in the presence of CO) as the sensor. An optical sensor sounds an alarm if the spot darkens.
ELECTRONICS NOW Sep 1995 (v.66#9) pg. 37
Added Info ELECTRONICS NOW Mar 1996 (v.67#3) pg. 13

Mobile gas alarm can be used in the home, or in a car, boat, camper, and elsewhere where a 12-volt power supply is available. Sounds an alarm if it senses as little as 100 ppm of hydrogen, carbon monoxide, propane, and organic solvent vapors in the alcohol, ketone and benzol families.
ELEMENTARY ELECTRONICS Nov-Dec 1974 (v.14#6) pg. 31

Electronic gas detector will sense carbon monoxide, natural gas, methane, propane, hydrogen, cigarette smoke, gasoline or alcohol vapors and other hydrocarbons in concentrations as low as 10-50 parts per million.
ELEMENTARY ELECTRONICS Mar-Apr 1978 (v.18#2) pg. 49

Advice on the best placement and type of carbon monoxide detectors.
FAMILY HANDYMAN #375 Feb 1997 (v.47#2) pg. 8

Choosing and installing a carbon monoxide alarm.
FAMILY HANDYMAN #392 Oct 1998 (v.48#9) pg. 82

Toxic-gas detector.
HANDS-ON ELECTRONICS Sep-Oct 1986 (v.3#5) pg. 85

An auto pollution detector. Electronic device can sense the presence of CO (carbon monoxide) in automobile exhaust. Est. cost: $22.
MECHANIX ILLUSTRATED #553 Jun 1974 (v.70) pg. 108

Carbon monoxide detectors. A look at what is available and typical costs.
MECHANIX ILLUSTRATED #661 Jun 1983 (v.79) pg. 120

Portable gas detector gives bargraph indication of concentrations of toxic gases and organic solvents. Battery powered. Est. cost: $35.
MODERN ELECTRONICS [2] Jul 1985 (v.2#1) pg. 54
Correction MODERN ELECTRONICS [2] Oct 1985 (v.2#4) pg. 5

Super-sensitive gas detector sniffs out combustible gases and noxious fumes and sounds an alert or lights an LED.
MODERN ELECTRONICS [2] Apr 1990 (v.7#4) pg. 37

Poisoned air detector sounds an alarm with as little as 50 parts per million of most toxic gases. Utilizes a new gas detector semi-conductor. Est. cost: $25.
POPULAR ELECTRONICS [1] Feb 1974 (v.5#2) pg. 55

Improved gas and fume detector. High-sensitivity noxious-fume detector is for both home and mobile use. Can detect concentrations as small as 50 to 100 parts per million of carbon monoxide, propane or methane.
POPULAR ELECTRONICS [1] Aug 1976 (v.10#2) pg. 46

Portable gas leak meter gives quantitative indication of natural gas, propane, fuel vapors, etc.
POPULAR ELECTRONICS [1] Aug 1979 (v.16#2) pg. 41

Build an alarm for toxic gases. Detects oxygen-hungry gases such as carbon monoxide and methane.
POPULAR ELECTRONICS [1] Sep 1981 (v.19#9) pg. 79

Build an exhaust-gas monitor for your car. Sounds an alarm if carbon monoxide is detected. Powered from cigarette lighter.
POPULAR ELECTRONICS [2] Jun 1990 (v.7#6) pg. 31

Explosive gas detector can identify a whole range of potentially deadly vapors, including carbon monoxide.
POPULAR ELECTRONICS [2] Nov 1993 (v.10#11) pg. 31

The Sniffer, a gas-leak detector you can build. Can alert you to the presence of hydrogen, methane, propane, alcohol, carbon monoxide, volatile oil and acetylene. Sounds an audible alarm.
POPULAR SCIENCE Nov 1972 (v.201#5) pg. 96

Automotive exhaust analyzer. Part 1. Digital exhaust gas analyzer checks your car's emissions. Est. cost: $99.
RADIO-ELECTRONICS May 1984 (v.55#5) pg. 47

Automotive exhaust analyzer. Part 2.
RADIO-ELECTRONICS Jun 1984 (v.55#6) pg. 81

Electronic gas detector uses an improved solid-state gas sensor which responds to combustible and oxygen reducing gases or vapors. Carbon monoxide, natural gas, methane, propane, hydrogen, cigarette smoke, gasoline or alcohol vapors, and other hydrocarbons are detected in concentrations as low as 10 to 50 parts per million. Powered by two D-cells.
SCIENCE & MECHANICS Summer 1978 pg. 79