NTM Sensors - Lewis Center, OH
Custom Manufacturer
Developer, manufacturer, & sales of ceramic based electrochemical sensors including hydrogen alarms for gas detection and monitoring. Utilizing experience in ceramic materials, can also tailor sensor platform for specific applications and gases that fit within the technology. The current sensor technology is based in percentage and ppm level hydrogen sensors, NOx sensor, and H2S sensor for use within fuel lines.
www.ntmsensors.com/site/images/pdfs/ntmalar...

ENMET Corporation - Ann Arbor, MI
Manufacturer, Service Company
Manufacturer of ammonia, carbon monoxide, hydrocarbon, hydrogen & oxygen alarms. Types of alarms include compressed air line & ambient air single point hazardous gas monitor/alarms. Compressed air line monitors/alarms feature LED visual alarms, piezo electric audible alarms & oxygen sensors. Ambient air single point hazardous gas monitor/alarms are available with user programmable 3 level alarms & high capacity relays & high integrity polycarbonate enclosures. Alarms can be customized as per specifications.
catalog.enmet.com/category/all-categories

Control Instruments Corp. - Fairfield, NJ
Manufacturer
Manufacturer of alarms for monitoring hydrogen in the LFL & parts per million ranges. The parts per million hydrogen sensors employ electrochemical sensing technology & are available in the 0-1000 & 0-2000 ppm range. These sensors are rugged, highly stable & offer low maintenance, excellent repeatability & immunity to cross interference. Catalytic sensors are used to monitor hydrogen in the 0-100 percent LFL range. These sensors are offers fast response, high accuracy, long life, stability & superior tolerance to catalytic poisoning agents.
www.controlinstruments.com/products

BeStar Technologies, Inc. - Sierra Vista, AZ
Manufacturer
QS 9000, ISO 14001 & TS/ISO 16949 certified manufacturer of custom combustible gas alarms including oxygen, hydrogen, hydrocarbon & carbon monoxide alarms. Available in 5 mm x 5 mm to more than 250 mm dia. sizes with -40 degrees C to +85 degrees C operating temperature. Capabilities include in-house tooling & injection molding. VDS approved.
Brand Names: BeStar
www.bestartech.com/6522/15001.html

Davis/Inotek - Charlotte, NC
Distributor, Manufacturer, Custom Manufacturer
100,000 Test, Measurement, Process & Control Instruments. NIST Traceable Calibration & Certification, All Performed In Compliance With ISO-9002, ISO Guide 25-17025 Standards. A Complete Line Of High-End Used & Rental Test Equipment

Detcon - The Woodlands, TX
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 certified manufacturer of gas alarms such as hydrogen alarms, hydrocarbon alarms & carbon monoxide alarms for hazardous & non-hazardous duty. Features include strobe light with 60 to 80 flashes per minute & siren with noise level of 99 dbA at 10 ft. Alarms are capable of producing coded blasts & sustained tones or in continuous tone & multitone. Alarms are weatherproof & are available for light & heavy industrial environments. Alarms are NEMA 4X rated & alarm sirens & lights are UL® listed, FM approved & CSA® certified. One year warranty.
Brand Names: Detcon

G & O Thermal Supply Co. - Chicago, IL
Distributor, Custom Manufacturer
Distributor of gas, liquid sensor/detectors - stand alone & solid state- oxygen, carbon monoxide, hydrogen, refrigerants & ammonia & combustible gas.
Brand Names: Macurco, Vulcain

Davis/Inotek - Bensenville, IL
Distributor, Manufacturer, Custom Manufacturer
100,000 Test, Measurement, Process & Control Instruments. NIST Traceable Calibration & Certification, All Performed In Compliance With ISO-9002, ISO Guide 25-17025 Standards. A Complete Line Of High-End Used & Rental Test Equipment

Davis/Inotek - Tulsa, OK
Distributor, Manufacturer, Custom Manufacturer
100,000 Test, Measurement, Process & Control Instruments. NIST Traceable Calibration & Certification, All Performed In Compliance With ISO-9002, ISO Guide 25-17025 Standards.

Manning Systems, Inc. - Lenexa, KS
Manufacturer
Gas Sensors & Readouts For Ammonia Refrigerants

Fire Combat - Minneapolis, MN
Manufacturer
Manufacturer of digital, explosion-proof & non-explosion proof, combustible, toxic & oxygen depletion gas monitoring system. Feature include: non- intrusive stainless steel, removeable memory stick for data-logging, infrared sensors, Modbus RS485 & self compensating optics. Over 100 different gas sensors available.

BW Technologies by Honeywell - Lincolnshire, IL
Manufacturer
ISO 9001:2000 certified manufacturer & designer of hydrogen ion alarms & indicators. Hydrogen ion alarms & indicators are small & have a water resistant design with 0 to 1000 parts per million measurements of volatile organic compounds. Features include integral motorized pump option for remote sampling, two power options of alkaline or rechargeable hot swappable battery pack, 95 decibel alarm tone, internal vibrator, multi language support, 3 backlight options, 4 alarm levels, automatic calibration procedure, selectable field options of PID correction factor, language selection, confidence beep, span level & self testing of sensor, battery & circuit integrity.

Davis/Inotek - Dallas, TX
Distributor, Manufacturer, Custom Manufacturer
100,000 Test, Measurement, Process & Control Instruments. NIST Traceable Calibration & Certification, All Performed In Compliance With ISO-9002, ISO Guide 25-17025 Standards. A Complete Line Of High-End Used & Rental Test Equipment

Detector Electronics Corp. - Minneapolis, MN
Manufacturer
Specializing In High Hazard Protection. Products Include Optical Flame Detectors, Combustible & Toxic Gas Detectors, Explosion Proof Smoke Detectors, Fiber Optic Flame Detectors & New Eagle Quantum Fire & Gas Detection/Suppression System

Davis/Inotek - Kansas City, MO
Distributor, Manufacturer, Custom Manufacturer
Test, Measurement, Process & Control Instruments. NIST Traceable Calibration & Certification, All Performed In Compliance With ISO-9002, ISO Guide 25-17025 Standards. A Complete Line Of High-End Used & Rental Test Equipment

Davis/Inotek - Fairhope, PA
Distributor, Manufacturer, Custom Manufacturer
100,000 Test, Measurement, Process & Control Instruments. NIST Traceable Calibration & Certification, All Performed In Compliance With ISO-9002, ISO Guide 25-17025 Standards. A Complete Line Of High-End Used & Rental Test Equipment

Davis/Inotek - Philadelphia, PA
Distributor, Manufacturer, Custom Manufacturer
100,000 Test, Measurement, Process & Control Instruments. NIST Traceable Calibration & Certification, All Performed In Compliance With ISO-9002, ISO Guide 25-17025 Standards. A Complete Line Of High-End Used & Rental Test Equipment

The Engwald Corporation - Inwood, NY
Manufacturer, Custom Manufacturer, Service Company
Manufacturer & custom manufacturer/designer of exhaust eliminating systems, automotive exhaust systems, automobile exhaust extraction systems, truck, exhaust extraction systems, vehicle exhaust removal systems, industrial exhaust systems, blowers, ventilating blowers, exhaust blowers, welding booths, counterbalanced fume exhausters, portable fume exhausters, stationary exhausters. Also specializing in development & manufacturing of carbon monoxide exhaust systems & custom exhaust systems. Applications include exhausting fumes at their source by welding, soldering, brazing, & other fume problems. Systems can be engineered to suit specific needs & eliminate loss of heat & working hours & are guaranteed to provide design & operating efficiency.

Davis/Inotek - Irwindale, CA
Distributor, Manufacturer, Custom Manufacturer
100,000 Test, Measurement, Process & Control Instruments. NIST Traceable Calibration & Certification, All Performed In Compliance With ISO-9002, ISO Guide 25-17025 Standards. A Complete Line Of High-End Used & Rental Test Equipment

Us Industrial Products Co., Inc - Cypress, CA
Manufacturer
Manufacturer Of Gas & Liquid Sensors/Detectors Special For TCE, PCE, Fluorocarbons, H2S, CO, Hydrogen, Ammonia, Methane, LPG. At PPM & %LEL Level