Multi-Gas Detectors

Honeywell main product image
roll over image to zoom in

GasAlertMax XT II

Go the distance and save with this smart, simple and economical way to compliance.
Features & Benefits

  • Monitors H2S, CO, O2 and combustibles  
  • One-button operation with robust, motorized pump
  • Compatible with MicroDock II
Quick Specs
  • Size: 5.1 x 2.8 x 2.0 in. / 13.1 x 7.0 x 5.2 cm
  • Weight: 11.5 oz. / 328 g
  • Temperature: -4 to 122°F / -20 to 50°C
Need Assistance?
Call: +91 (0)124 4752700
Enter your name and phone number and a Honeywell representative will contact you shortly.
SSL Lock SSL Secure
Don't worry, we won't share your phone and email address. (privacy policy)

Product Overview

GasAlertMax XT II is the smart, simple, and economical way to compliance. Workers feel safe and incidents are minimized so everyone will be able to do more. That means savings realized from business continuity and productivity.

Simple operation, with SmartSample pump.
GasAlertMax XT II reliably monitors up to four hazards and combines straightforward one-button operation with our robust, motorized pump for intelligent, remote sampling, ideal for confined spaces. The GasAlertMax XT II is fully compatible with MicroDock II automated test and calibration system.

Monitor gas in confined spaces - GasAlertMax XT II – Honeywell Analytics

Popular Accessories

From power options to carrying cases, we have a multitude of accessory items to go with your monitor.


GasAlertMax XT II Carrying Holster


Securely attach the GasAlertMax XT II and tubing to your belt with the durable Carrying Holster.

Deluxe Confined Space Kit

GasAlertMax XT II Deluxe Confined Space Kit

The Deluxe Confined Space Kit (XT-CK-DL) comes equipped with: concussion-proof boot, carrying holster, IR Connectivity Kit, 0.5 LPM regulator, 3 ft. / 1 m calibration hose with quick connect, 10 ft. / 3 m sampling hose with quick connect, sampling probe, and hard-sided carrying case with lid insert pockets and foam case insert. Detector and calibration gas sold separately.

GasAlertMax XT II Concussion Proof Boot


The external rubber boot keeps detectors cleaner and provides an additional level of protection in extreme conditions. The boot fits securely onto the detector and is equipped with a rugged stainless steel, alligator-style clip.

Multi-Unit Cradle Charger

GasAlertMax XT II Multi-Unit Cradle Charger


Simultaneously charge 5 detectors with the Multi-Unit Cradle Charger. Simply slip detectors into the charger and wait for the battery icon on the LCD to indicate the battery is fully charged.

MicroDock II Base Station and GasAlertMax XT II Docking Module


Base station and GasAlertMax XT II docking module with charging cable

IR Kit

IR Connectivity Kit


The IR connectivity kit easily connects through the charging and IR communications port for data downloads and access to instrument set-up options.

Frequently Asked Questions

Have a question about the product features or warranty? Find the answers here.
We do not sell our products directly on our website but we would be happy to assist you with your gas detection needs.  On each product page you will see a red button on the right-hand side titled “HOW TO BUY”.  If you click on this button a form will appear which will go directly to one of our sales representatives once completed and submitted.  

You can also call one of our sales representatives directly.  Click here to go to the Contact Us page.  

There are two areas where you can access technical documents.  First, you can visit our Technical Library in the Support section of the website.  Here you will be able to access our entire catalog of documents and videos for all products – current and legacy products.  

You can also access the technical documents for each product on that product’s respective page within the website.    

Yes we do.  Check out our HA University training section to see what programs are available and sign up for any that you are interested in.  These courses are very informative and led by our expert engineers.  If you have any questions about training opportunities for yourself or your staff and would like to talk to a Honeywell representative, click here.

Check out the Product Inquiry page in the Contact Us section.  Here you’ll find sales contacts for each of our product lines and they can help you with any questions you may have from technical specifications to ordering information. 

Check out the Service & Repairs page in the Contact Us section.  Here you’ll find the contact information for our service centers in your region. 

There are several ways you can search for products on our website:

  • Click on the Products link in the main navigation to search by product lines.
  • Find products for a specific Industry or Application by clicking on the links in the main navigation bar at the top of the page.
  • Use our Gas Finder if you’re looking for a product that can detect a specific type of gas.
  • If you still can’t find the product you’re looking for, type the name of the product in the search bar at the top of the page.

Because we do not sell our products directly we cannot quote a specific price on our website.  Contact a sales representative through either the “HOW TO BUY” button on the product page or by calling them and they will be able to obtain pricing from local distributors in your area. 

BW Technologies is part of the Honeywell Analytics family so in an effort to provide our customers with complete gas detection solutions we merged the and websites.  We hope that having all of our brands and products in one location will make it easier for you to find the right solution for your gas detection needs. 

Similar Products

Check out some of these similar products.
GasAlertQuattro for CO, O2, LEL and H2S detection - Honeywell Analytics
Rugged and reliable, the GasAlertQuattro four-gas detector combines a comprehensive range of features with simple one-button operation.
Applications: Confined SpacesCombustible DetectionFirst RespondersLandfill Biogas GenerationOxygen DetectionPlanned Equipment ModificationsPower GenerationTurnarounds and Plant ShutdownsWeldingSearch and Rescue
Detect hazards caused by flammable gases - MultiPro Multi-Gas Detector - Honeywell Analytics
Simultaneously monitors up to four confined space gases in real-time.
Applications: Combustible DetectionConfined SpacesOxygen DetectionWeldingPower GenerationLandfill Biogas GenerationPlanned Equipment ModificationsTurnarounds and Plant Shutdowns
Portable Gas Detector - GasAlertMicroClip XL - Honeywell Analytics
The industrial GasAlertMicroClip is the world’s most popular multi-gas portable detector, delivering long runtime and reliability — plus small size, low cost and the easiest user experience.
Applications: Combustible DetectionConfined SpacesLandfill Biogas GenerationOxygen DetectionPlanned Equipment ModificationsPower GenerationWeldingTurnarounds and Plant Shutdowns

Download the latest firmware, drivers and software packages

Keep your product up and running with the most recent updates.

Firmware V 12.000 

With the latest firmware for your instrument installed, you made sure that you have the highest level of protection, while the newest features and functions allow you to be more productive than ever before. 

Fleet Manager II v.4.3.31 and IR Link Driver

Data storage and analysis has never been so simple. With the same look and feel as Fleet Manager, Fleet Manager II allows users to download information directly from BW Technologies by Honeywell instruments or the IntelliDox. With improved functionality, users can:

  • Automatically create accurate and user-friendly reports
  • Easily sort, format and graph data as well as view history
  • Archive and share data easily, including databases
  • Download and manage calibration and bump check records as well as datalogged information onto any PC