BW™ Max XT II Multi Gas Detector

Overview

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Key features

Monitors H2S, CO, O2 and combustibles
One-button operation with robust, motorized pump
Compatible with MicroDock II

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-044 · Rev. 01 · 13-Oct-2026

BW™ Max XT II Multi Gas Detector – technical data

Technical specifications

Brand	Honeywell
Weight	11.5 ounce av / 328 gram
Weight range	328 g gram
Instrument Size	5.1 x 2.8 x 2.0 in. / 13.1 x 7.0 x 5.2 cm
Sensor Range	CO: 0-1,000 ppm / H2S: 0-200 ppm / LEL: 0-100% and 0-5.0% v/v / O2: 0 to 30.0%
Humidity Range	10 to 100% RH (Non-Condensing) percent / 10%-100% percent
Minimum Temperature	-20 degree Celsius / -4 degree Fahrenheit
Maximum Temperature	122 degree Fahrenheit / 50 degree Celsius
Alarm Included	Yes
Series Name	Honeywell BW Max XT II
Languages	English, French, German, Spanish, Portuguese
Alarm Type	Audible (95 dB) / Vibrating / Visual
Alarm Settings	Low, High, STEL, TWA, OL (Over Limit), Low Battery, Pump
Charging Time	6 hours
Battery Run Time	13 Hours hours / 8 Hours @-20°C hours / 8-13 hours
Batteries Required	Yes
Batteries Included	Yes
Standards	ATEX: X g II 1 G Ga Ex ia IIC T4 / BR-Exia IIC T4 / IECEx: Ga Ex ia IIC T4 / UL: Class I, Div 1, Group A, B, C, D
Datalogging Capable	Yes
Datalogging	375 hours at 15-second intervals / Standard Datalogging and Event Logging
Display Type	LCD
Display Readout	Low, High, STEL, TWA, OL (Over Limit), Low Battery, Pump
Display Included	Yes
Filter Included	Yes

PRODUCT DATASHEETDoc. SSLS/DS/GD-044 · Rev. 01 · 13-Oct-2026

BW™ Max XT II Multi Gas Detector – technical data, continued

Technical specifications

User Options	Calibration IR Lock / Confidence Beep / Confidence Interval / Datalog Interval / Detector Identification / Force Block Test / Force Bump Test when Overdue / Force Calibration when Overdue / Language Choices (Five) / Latching Alarms / Location Selection / Low Alarm Acknowledge / Safe Display Mode / Safety (Sensor) Lock / Sensor Configuration / Set Custom Start Up Message
Sampling Pump Range	75 ft meter / 75ft (23m) meter
Sampling Pump Included	Yes
Sensor Type	Semi-Conductor Pressure Sensor
Number of Sensors Included	4
Operating Life	2 years
Warranty	2 Years Including All Sensors / Full two year warranty including all sensors

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.