GasAlertMicro 5 Series Multi-Gas Detector

Overview

Providing protection from up to 5 potential atmospheric hazards including oxygen, combustibles and toxic gases, this portable gas detector is unmatched in its versatility.

Key features

Integral concussion-proof boot
Optional integral motorized pump option for remote sampling
Powered by three AA alkaline batteries or a hot-swappable rechargeable battery pack
Triple alarms (audible, visual and vibrating)
Multi-language support in English, French, German, Spanish and Portuguese
Large, user selectable backlit LCD

Applications

Confined space entry
Oil, gas and petrochemical
Wastewater and sewage
Steel and chemical plants

Standards and certification

ATEX

IECEX

Supplier: ISO 9001:2015 certified

PRODUCT DATASHEETDoc. SSLS/DS/GD-024 · Rev. 01 · 13-Oct-2026

GasAlertMicro 5 Series Multi-Gas Detector – technical data

Technical specifications

Brand	Honeywell
Weight	13.1 ounce av / 370 gram
Weight range	370 g gram
Instrument Size	5.7 x 2.9 x 1.5 in. / 14.5 x 7.4 x 3.8 cm
Maximum Temperature	122 degree Fahrenheit / 50 degree Celsius
Minimum Temperature	-20 degree Celsius / -4 degree Fahrenheit
Sensor Range	H2S (0-500ppm), CO (0-1000ppm), O2 (0-30%vol), SO2 (0-150ppm), PH3 (0-5ppm), NH3 (0-100ppm), NO2 (0-100ppm), HCN (0-30ppm), Cl2 (0-50ppm), ClO2 (0-1ppm), O3 (0-1ppm), CO2 (0-50000ppm), LEL (0-100%LEL)
Humidity Range	0%-99% percent
Alarm Included	Yes
Series Name	GasAlertMicro 5
Languages	English, French, German, Spanish, Portuguese
Alarm Type	Audible (95 dB) / Vibrating / Visual
Alarm Settings	Low, High, STEL, TWA, OL (Over Limit)
Battery Run Time	20 hours
Batteries Required	Yes
Batteries Included	Yes
Calibration Procedures	Automatic Calibration Procedure
Calibration Gas	Oxygen
Standards	ATEX: CE g II 1 G / ATEX: CE g II 2 G - IR Model Only / ATEX: Ex d ia IIC T4 / ATEX: Ga Ex ia IIC T4 / American Bureau of Shipping - Toxic and PID Models / Class I, Div 1, Group A, B, C, D / IECEx: Ex d ia IIC T4 - IR Model Only / IECEx: Ga Ex ia IIC T4
Datalogging Capable	Yes
Datalogging	4.4 months at 5 second
Display Type	LCD
Display Readout	Real-Time Gas Concentrations Shown on LCD

PRODUCT DATASHEETDoc. SSLS/DS/GD-024 · Rev. 01 · 13-Oct-2026

GasAlertMicro 5 Series Multi-Gas Detector – technical data, continued

Technical specifications

Display Included	Yes
User Options	Adjust Clock / Automatic Backlight / Calibration Due Lockout / Combustible Gas Measurement (% LEL or % by Volume Methane) / Confidence Beep / Correction Factor Library (LEL, PID) / Daily Bump Test / Fast Pump / High resolution / Language Choices (Five) / Latching Alarms / O2 Auto Calibration on Start Up / Passcode Protection / Safe Display Mode / Sensor On/Off / Set Datalogger Rate / Set STEL Interval / Set TWA Method / Sleep Mode / Stealth Mode / User-Settable Calibration Gas Level
Sampling Pump Range	66 ft meter / 66ft (20m) meter
Sampling Pump Included	Optional
Sensor Type	Electrochemical and Catalytic Bead Sensors / Infrared (IR) / Photoionization
Warranty	1 Year Including Sensors (NH3, Cl2, O3, ClO2 and PID Lamp) / 2 Years Including Sensors
Ingress Protection	IP65/IP66
Gas Type	H2S, CO, O2, SO2, PH3, NH3, NO2, HCN, Cl2, ClO2, O3, CO2, LEL

PRODUCT DATASHEETDoc. SSLS/DS/GD-024 · Rev. 01 · 13-Oct-2026

GasAlertMicro 5 Series Multi-Gas Detector – ordering and care

Ordering information

Brand	Honeywell

Inspection and care

Keep sensors and filters clean, charge batteries as directed and record bump tests and calibrations.

Storage

Store in a cool, dry place away from direct sunlight, heat and chemicals.

Data given in good faith from manufacturer information and subject to change without notice. Select PPE based on a site risk assessment. Scan the code for the product page.