Reviews O2 Gas Alarms

Mares Smart Air Dive Computer Wrist Watch with or Without LED Transmitter (Black with Transmitter) (414138-414319)

  • Now with Air Integration Technology, Optional with or without Hoseless Transmitter, Simplistic Interface Design, 3 Gases Ranging from 21% to 99% O2, Imperial/Metric Display..
  • Doubles-As-Watch: Dual Time Zones, Alarms, & Calendar, Customizable Audio Alarms, Surface Interval Countdown & Residual Nitrogen Reset, Dive Log Transferrable to Computer: PC or MAC..
  • User Replaceable CR2450 Battery, Battery Life of 100 to 150 Dives, LCD Segmented Display & Backlight for Optimal Visibility, Memory Capacity: 95 Hours, Fresh/Salt Water Measurements..
  • Scratch-Resistant Mineral Glass Lens, Two-Button System for Easy Menu Navigation, Current Depth, Max Depth, Temperature, & Bottom Time Display, Operating Modes: Air, Nitrox & Free-Dive..
  • Visual Ascent & Descent Rates with Optional Alarms, Altitude Adjustable Up to 12,100' (3,700m) Pre-Dive Planning Features, Maximum Operating Depth: 492' (150m) Freediving Mode (apnea) w/Dedicated Alarms..
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GX-2009, 4 gas, LEL / O2 / H2S / CO with alligator clip and 115 / 220 VAC charger by RKI Instruments

  • GX-2009, 4 gas, LEL / O2 / H2S / CO and 115 / 220 VAC charger.
  • Simultaneous detection of 4 gases, LEL, O2, H2S & CO.
  • Note: For 220 VAC, order accessory 45-2430RK Plug adapter for charger, US to Euro.
  • Smallest / Lightest 4 gas monitor on the market.
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3 Packs Gas Detector & Alarm - Hembisen Plug in Propane and Natural Gas Detectors for Home,RV & Kitchen Combustible Gas Leak Detector Monitor for LNG LPG Methane.

  • 【Hembisen Natural Gas Detector & Alarm 】- This is a new upgraded gas detection alarm with innovative design, sensitive sensor, LCD display of....
  • 【Easy to Install】 - Plug and play directly into the power supply, very easy to use, allowing you to save a lot of time for other more interesting....
  • 【Avoid False Alarms】 - Hembisen gas detection alarms use catalytic combustion sensors with sensitive sensing and high accuracy, avoiding the....
  • 【85dB High Volume Alarm & LCD Digital Display】 - When the natural gas or combustible gas concentration leaks reach a preset level, this gas....
  • Hembisen Home Gas Detection Alarms are suitable for detecting natural gas, propane, methane, butane, LNG, LPG, etc..
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testo 300 Kit - Commercial Combustion Analyzer Kit with Bluetooth printer I CO Meter for flue gas, draft, differential pressure and ambient CO levels of heating systems

  • Efficient: The combustion tool was made for the challenges of intensive daily use and measures carbon monoxide and O2 level, temperature, draft, and differential pressure.
  • Commercial Use: Easily carry out legally prescribed measurements thanks to the integrated fine pressure and 4 Pa measurement, as well as instant draft and gas zeroing.
  • Easy application: Start measuring from standby mode at the touch of a button. Extra strong magnets at the back of the meter enable a hands free and secure measuring operation.
  • Durable: The flue gas meter is equipped with an extremely sensitive CO and O2 sensor with up to 6 years of life expectancy and a measuring range up to 4,000 ppm.
  • Complete Set: O2 and CO sensors ((4,000 ppm), power supply (USB), probes and filters, easyHeat software, wireless printer and spare thermal paper.
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testo 300 I Residential and Commercial Combustion Analyzer Kit with optional bluetooth printer I CO Meter for flue gas, draft, differential pressure and ambient CO levels of heating systems

  • Efficient: The combustion testing tool reliably measures the carbon monoxide and O2 level of furnaces and boilers, as well as temperature, draft and differential pressure.
  • Durable: The flue gas meter is equipped with an extremely sensitive CO and O2 sensor with up to 6 years of life expectancy and a measuring range up to 4,000 ppm.
  • Easy application: Start measuring from standby mode at the touch of a button. Extra strong magnets at the back of the meter enable a hands free and secure measuring operation.
  • Intuitive: Thanks to the large HD smart touch display with a clearly structured measurement menu, the flue gas detector offers all measurements at one glance.
  • Complete Set: Includes long life O2 and CO sensor, retrofittable NO Sensor, spare combustion probes and filters, rugged hardshell case and easyHeat software.
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Gas Detector, CHNADKS 4 Gas Monitor H2S,O2,CO and LEL Multiple Indicator with Vibration, Audible, Visual 4 Gas Monitor Personal Rechargeable Gas Sniffer Alarm with LCD

  • ADKS-4 is a portable 4 gas detector for carbon monoxide (CO), oxygen (O2), hydrogen sulfide (H2S), and combustibles (EX) from CHNADKS, using imported sensors with lifetime of 2-5 years.Can be continuously detect the concentration of leaking gas..
  • Upgraded 4 gas Monitor: Easy operate, LCD real-time display. Three Alarm for light, sound and vibration indication. Waterproof IP54, fast response within 45s, standby time 16-18 hours..
  • Technical Data:Multiple explosion-proof signs, respectively, Ex ib IIB T3 Gb.
  • long sensor life: LEL, HzS, C0: 2~3 years, O2: 5 years.
  • working environment temperature is -20℃~ 50℃.
  • The 4 gas detector size is 130*65*45(mm) and the weight:0.5kg.
  • Usage Environment:The 4 gas monitor is widely used in petroleum, chemical, environmental protection, metallurgy, refining, gas transmission and distribution, biochemical medicine, agriculture and other industries..
  • Please Note:The battery pack cannot be removed or replaced in an explosive atmosphere, and the battery pack cannot be charged. Peripheral plug-in devices that are n....
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AirPhysio Health & Wellness Natural Device

  • ✅ NOT MADE IN CHINA- unlike other brands, our OPEP device is made in Australia and is internationally award winning..
  • ✅ NO ONGOING COSTS- No batteries, no refills and no liquids required.
  • ✅ EASY TO USE- hand held and fits in your pocket with written and online video instructions.
  • ✅ QUICK TO USE- most people only need to use for 1- 5 minutes, 1-2 times per day.
  • ✅ O2 PERFORMANCE TRAINER- increase O2 and CO2 gas transfer to increase exercise time and reduce recovery time.
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Aqua Lung i550C Dive Computer

  • Audible alarms and additional high-visibility LED warning light for additional safety. Water-activated (turns on automatically).
  • Pre-dive planning feature allows a preview of planned dives. Automatic altitude adjustment ensures an accurate profile.
  • History Mode includes total number of dives, max depth, total dive hours, and lowest temperature. Single button access to last dive display (max depth and bottom time).
  • Nitrox mix to 100% O2. Optional deep stop with countdown timer. Extended Range Gauge Mode. Salt or fresh water dive selection.
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testo 300 I Residential and Commercial Combustion Analyzer Kit & 510 Digital Manometer I Dual-Port Differential Pressure Meter for air Conditioning Systems and Ventilation ducts

  • Product 1: Efficient: The combustion testing tool reliably measures the carbon monoxide and O2 level of furnaces and boilers, as well as temperature, draft and differential pressure.
  • Product 1: Durable: The flue gas meter is equipped with an extremely sensitive CO and O2 sensor with up to 6 years of life expectancy and a measuring range up to 4,000 ppm.
  • Product 1: Easy application: Start measuring from standby mode at the touch of a button. Extra strong magnets at the back of the meter enable a hands free and secure measuring operation.
  • Product 1: Intuitive: Thanks to the large HD smart touch display with a clearly structured measurement menu, the flue gas detector offers all measurements at one glance.
  • Product 2: Versatile: The testo 510 measures differential pressure, total external static pressure, manifold pressure and duct velocities, making it ideal for HVAC/R field servicing technicians.
  • Product 2: Precise measurements: Thanks to the temperature and air density compensated pressure sensor, the air pressure meter delivers accurate data for ten different measurement units.
  • Product 2: Always ready: The backlist display, in conjunction with its intuitive design and magnets on the back, allow for a convenient application of the compact digital pressure g....
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5 Gas CO HC CO2 O2 NOx Exhaust Gas Analyzer

  • CO, HC, CO2, O2, NOx Exhaust Gas Analyzer, model 9005.
  • Battery powered and self- contained infared gas analyzer.
  • Small, lightweight, and rugged with easy to read LED display.
  • PC compatible RS 232 PC interface and supporting software.
  • Fuel selection: Allows HC to be measured and displayed as Hexane for Gasoline, Propane for LPG, and Methane for CNG.
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