QUICK REFERENCE GUIDE

Intro

The Quick Reference Guide provides basic information to operate the Honeywell BW™ MaxXT II gas detector. For complete operating instructions, refer to the Honeywell BW™ MaxXT II User Manual provided on the Honeywell https://safety.honeywell.com web site. The Honeywell BW™ MaxXT II gas detector (“the detector”) is designed to warn of hazardous gas levels above user-defined alarm setpoints. The detector is a personal safety device. It is your responsibility to respond properly to the alarm.

What's in the box

• Detector
• Rechargeable battery and Battery Charging Adapter
• 3 ft. / 1 m calibration hose with quick connect
• 10 ft. / 3 m sampling hose with particulate filter and quick connect
• Reversible screwdriver
• Kit of five spare pump filters
• QRG

Safety Info - Read First

Use the detector only as specified in the manual and quick reference guide, otherwise the protection provided by the detector may be impaired.

Caution:

• For safety reasons, this equipment must be operated and serviced by qualified personnel only. Read and understand the user manual completely before operating or servicing.
• Charge the detector before first-time use. Honeywell Analytics recommends the detector be charged after every workday.
• Calibrate the detector before first-time use and then on a regular schedule, depending on use and sensor exposure to poisons and contaminants. The sensors must be calibrated regularly and at least once every 180 days (6 months).
• Calibrate only in a safe area that is free of hazardous gas in an atmosphere of 20.9 % oxygen.
• The combustible sensor is factory calibrated to 50% LEL methane. If monitoring a different combustible gas in the % LEL range, calibrate the sensor using the appropriate gas.
• Only the combustible gas detection portion of this instrument has been assessed for performance by CSA International.
• Protect the combustible sensor from exposure to lead compounds, silicones, and chlorinated hydrocarbons. Although certain organic vapors (such as leaded gasoline and halogenated hydrocarbons) may temporarily inhibit sensor performance, in most cases the sensor will recover after calibration.
• Honeywell Analytics recommends that the combustible sensor be checked with a known concentration of calibration gas after any exposure to contaminants/poisons such as sulfur compounds, silicon vapors, halogenated compounds, etc.
• Honeywell Analytics recommends to bump test the sensors before each day’s use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible and visual alarms are activated. Calibrate if the readings are not within the specified limits.
• Caution: High off-scale LEL readings may indicate an explosive concentration.
• Any rapid upscaling reading followed by a declining or erratic reading may indicate a gas concentration beyond upper scale limit, which can be hazardous.
• For use only in potentially explosive atmospheres where oxygen concentrations do not exceed 20.9% (v/v).
• Extended exposure of the Honeywell BW™ MaxXT II to certain concentrations of combustible gases and air may stress the detector element that can seriously affect its performance. If an alarm occurs due to a high concentration of combustible gases, recalibration should be performed, or if needed, the sensor replaced.
• The BW pump (XT-RPUMP-K1) is certified for use with the Honeywell BW™ MaxXT II only.
• Dispose of used lithium cells immediately. Do not disassemble and do not dispose of in fire. Do not mix with the solid waste stream. Spent batteries must be disposed of by a qualified recycler or hazardous materials handler.
• Keep lithium cells away from children.
• Calibrations and bump tests can be performed using a 0.5 l/min. regulator or a demand flow regulator. If the demand flow regulator is used, it must meet the following maximum inlet pressure specifications:
• Disposable cylinders 0-3000 psig/70 bar
• Refillable cylinders 0-3000 psig/70 bar
• Products may contain materials that are regulated for transportation under domestic and international dangerous goods regulations. Return product in compliance with appropriate dangerous goods regulations. Contact freight carrier for further instructions.

Warning:

• Substitution of components may impair Intrinsic Safety.
• The lithium battery (MX-BAT01) may present a risk of fire or chemical burn hazard if misused. Do not disassemble, heat above 212°F (100°C), or incinerate.
• Do not use any other lithium batteries with the Honeywell BW™ MaxXT II detector. Use of any other cell can cause fire and/or explosion. To order and replace the MX-BAT01 lithium battery, contact Honeywell Analytics.
• Lithium polymer cells exposed to heat at 266°F (130°C) for 10 minutes can cause fire and/or explosion.

Warnings (French):

• Warning: Component substitution may impair intrinsic safety.
• Caution: For safety reasons, this equipment must be operated and serviced by qualified personnel only. Read and understand the user manual completely before operating or servicing.
• Charge the detector before first-time use. Honeywell Analytics recommends charging the detector after each workday.
• Calibrate the detector before first-time use and then on a regular schedule, depending on use and sensor exposure to poisons and contaminants. Sensors must be calibrated regularly and at least once every 180 days (6 months).
• Calibrate only in a safe area that is free of hazardous gas in an atmosphere of 20.9% oxygen.
• The combustible gas sensor is factory calibrated to 50% LEL methane. If monitoring a different combustible gas in the % LEL range, calibrate the sensor using the appropriate gas.
• Only the combustible gas detection portion of this instrument has been assessed for performance by CSA International.
• Protect the combustible sensor from exposure to lead compounds, silicones, and chlorinated hydrocarbons. Although certain organic vapors (such as leaded gasoline and halogenated hydrocarbons) may temporarily inhibit sensor performance, in most cases the sensor will recover after calibration.
• Honeywell Analytics recommends that the combustible sensor be checked with a known concentration of calibration gas after any exposure to contaminants/poisons such as sulfur compounds, silicon vapors, halogenated compounds, etc.
• Honeywell Analytics recommends to bump test the sensors before each day’s use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible and visual alarms are activated. Calibrate if the readings are not within the specified limits.
• Caution: High off-scale LEL readings may indicate an explosive concentration.
• Any rapid upscaling reading followed by a declining or erratic reading may indicate a gas concentration beyond upper scale limit, which can be hazardous.
• This device is only intended for potentially explosive atmospheres where oxygen concentrations do not exceed 20.9% (v/v).
• Extended exposure of the Honeywell BW™ MaxXT II to certain concentrations of combustible gases and air may stress the detector element that can seriously affect its performance. If an alarm occurs due to a high concentration of combustible gases, recalibration should be performed, or if needed, the sensor replaced.
• The BW pump (XT-RPUMP-K1) is certified for use with the Honeywell BW™ MaxXT II only.
• Warning: The lithium battery (MX-BAT01) may present a risk of fire or chemical burn hazard if misused. It must never be disassembled, incinerated, or heated above 100°C.
• Warning: Never use other lithium batteries with the Honeywell BW™ MaxXT II detector, at risk of fire and/or explosion. To order a replacement MX-BAT01 lithium battery, contact Honeywell Analytics.
• Warning: Lithium polymer cells exposed to temperatures above 130°C for more than 10 minutes can cause fire and/or explosion.
• Immediately dispose of used lithium batteries. Never disassemble them or throw them in fire. Do not mix them with other solid waste. Used batteries must be disposed of by an authorized recycling center or hazardous materials treatment center.
• Keep lithium batteries out of the reach of children.
• Warning: Honeywell Analytics recommends the use of high-quality calibration gas and cylinders that meet national standards. Calibration gases must match the detector's accuracy.
• Functional tests and calibrations can be performed using a 0.5 l/min regulator or a demand flow regulator. If using a demand flow regulator, it must meet the following maximum inlet pressure specifications:
• Disposable cylinders 0-3000 psig/70 bar
• Refillable cylinders 0-3000 psig/70 bar
• Products may contain materials that are regulated for transportation under national and international dangerous goods regulations. Return the product in accordance with appropriate dangerous goods regulations. Contact the carrier for more instructions.

Parts of the Honeywell BW™ MaxXT II

Image of the Honeywell BW™ MaxXT II gas detector with numbered parts.

Activating/Deactivating the detector

To activate the detector, press [button]. To deactivate the detector, press and hold [button] until the OFF countdown is complete. For information about more button actions, refer to the Honeywell BW™ MaxXT II User Manual.

Display Elements

Connecting the Gas Cylinder to the Detector

Calibration and Bump Test Installation

Gas Cylinder Guidelines

• To ensure accurate calibration, use a premium-grade calibration gas. Use gases approved by the National Institute of Standards and Technology.
• If a certified calibration is required, contact Honeywell Analytics.
• Do not use a gas cylinder that is past its expiration date.

Gas Cylinder Connection

1. Verify the calibration gas being used matches the span concentration value(s) that are set for the detector.
2. Connect the calibration hose to a 0.5 l/min regulator or demand flow regulator on the gas cylinder.
3. Begin the calibration procedures.
4. When APPLY GAS is displayed and [gas icon] flashes, connect the gas cylinder and apply gas at a flow rate of 250 to 500 ml/min. After a sufficient amount of gas has been detected (approximately 30 seconds), the detector beeps, CALIBRATING is displayed, and [gas icon] flashes while the detector completes the calibration.
5. When calibration is complete, turn off the gas, and disconnect the hose from the detector and the demand flow regulator.
6. Ensure the gas cylinder is stored according to manufacturer's specifications.

Diagram showing a gas cylinder connected via a hose to the detector for calibration.

Calibration

Caution: Calibrate only in a safe area that is free of hazardous gas in an atmosphere of 20.9% oxygen.

Notes:

• The diffusion cover must be attached to the detector to calibrate.
• Do not calibrate the detector during or immediately after charging is complete.
• The maximum hose length for calibration is 3 ft. (1 m).
• Calibration can be aborted at any time. To abort calibration, press [button]. The CAL ABORTED screen displays.

Alarms

Refer to the following table for information about alarms and corresponding screens.

Note: If enabled, during an alarm condition the Latched Alarms option causes the low and high gas alarms (audible, visual, and vibrator) to persist until the alarm is acknowledged (by pressing [button]) and the gas concentration is below the alarm setpoint. The LCD continues to display the high peak concentration until the alarm condition no longer exists. Refer to User Manual to enable/disable Latching Alarms. Local regulations may require the Latching Alarms option be enabled.

Options Menu

The detector, IR Link adapter, and Safety Suite Device Configurator software are required to define options. Refer to the Honeywell BW™ MaxXT II User Manual and Safety Suite Device Configurator Operator’s Manual provided on the Honeywell https://safety.honeywell.com web site.

Device Configuration

• Startup Message Top Line: Enter a line of text to display on the LCD during startup (maximum 25 characters).
• Startup Message Bottom Line: Enter a line of text to display on the LCD during startup (maximum 25 characters).
• Lockout on Self-Test Error (sensor alarm lock): If a sensor fails during startup and the Lockout on Self-Test option is enabled, Safety Lock On displays on the LCD and the detector deactivates.
• Safe Mode: If enabled, SAFE displays continuously on the LCD unless an alarm condition occurs.
• Confidence Beep: If enabled, the confidence beep provides continuous confirmation that the detector is operating correctly. To define how often the detector beeps (every 1-120 seconds), enter the value in the Confidence Interval field. Confidence beep is automatically disabled during a low battery alarm.
• Latching Alarms: Enable to ensure an alarm persists until the alarm is acknowledged and the gas concentrations are below the alarm setpoint. The audible alarm can be temporarily deactivated for 30 seconds by pressing [button], but the LCD continues to display the high peak concentration until the alarm condition no longer exists.
• Force Calibration: If enabled, the detector must be calibrated if a sensor is overdue upon startup. User defined (0-365 days) in the Calibration Interval field.
• Cal IR Lock (must use IR device to calibrate): If enabled, the detector automatically auto zeros, but the sensors must be spanned using the IR Link or IntelliDox.
• Force Bump: If enabled, a bump test must be performed to ensure the sensor(s) are responding correctly to the test gas. User defined (0-365 days) in the Bump Interval field.
• Location Logging: If enabled, a series of numbers (1-999) can be entered on the detector to identify gas wells, plants, and other areas that identify the location where the detector is being used.
• Force Block Test: If enabled, a pump block test must be performed during the startup tests.
• Datalog Interval (seconds): Define how often the detector records a sample (every 1-120 seconds).
• Confidence Interval (seconds): Define how often the detector beeps (1-120 seconds) when the Confidence Beep option is enabled.
• Language: The LCD displays the screens in English, Français (French), Deutsch (German), Español (Spanish), or Português (Portuguese). Select the language from the drop-down menu in Safety Suite Device Configurator software.

Sensor Configuration (H₂S, CO, LEL, and O₂)

• Sensor Disabled: Enables/disables the selected sensor.
• Calibration Gas (ppm): Define the span gas concentration for each sensor. The span gas concentration must match the span value on the gas cylinder.
• Calibration Interval (days): Define the number of days (0-365) when the next calibration is due.
• Bump Interval (days): Define the number of days (0-365) when the next bump test is due.
• Low Alarm (ppm): Define the low alarm setpoint for each sensor.
• High Alarm (ppm): Define the high alarm setpoint for each sensor.
• TWA Alarm (ppm): Define the time-weighted average (TWA) alarm setpoint (toxic sensors only).
• STEL Alarm (ppm): Define the short-term exposure limit (STEL) alarm setpoint (toxic sensors only).
• STEL Interval (minutes): Define the short-term exposure limit (STEL) from 5-15 minutes (toxic sensors only).
• TWA Period (hours) TWA moving average (hours): The TWA Period option is used to define a time-weighted moving average of accumulated gases over a period of 4-16 hours, to ensure the worker leaves the area when the defined maximum average is accumulated.
• Correction Factor (%): Enter the compensation factors for hydrocarbons other than methane. The factor can only be applied if the LEL sensor has been calibrated with methane (LEL only).
• 50% LEL = (%CH₄): Enter a percentage value to display the LEL reading as %vol., assuming a methane environment (LEL only).
• Auto-Zero on Startup: Enable/disable the detector to automatically zero the sensor(s) during startup (H₂S, CO, LEL, and O₂).
• LEL by Volume CH₄: If enabled, the detector operates assuming a methane (CH4) calibration. Enable to read and display %CH₄ values. Disable to read and display % LEL values.
• 5% LEL Over-span: If enabled, the detector automatically over-spans the LEL sensor by 5% LEL above the span gas concentrations to ensure the detector is in compliance with CAN/CSA C22.2 No. 152.
• 20.8% Base Reading: When enabled, the detector is configured to detect 20.8% O₂ as ambient air. When disabled, the detector is configured to detect 20.9% O₂ as ambient air.
• Low Alarm Acknowledge: If enabled, the audible alarm can be temporarily disabled during a low alarm by pressing [button]. The vibrator, alarm LEDs, and LCD remain operational (toxic and LEL only).

Maintenance

To maintain the detector in good operating condition, perform the following basic maintenance as required.

• Calibrate, bump test, and inspect the detector on a regular schedule.
• Maintain an operations log of all maintenance, bump tests, calibrations, and alarm events.
• Clean the exterior with a soft damp cloth. Do not use solvents, soaps, or polishes.
• Do not immerse the detector in liquids.

Charging the Detector

Warning: Charge only in a safe area that is free of hazardous gas and within temperatures of 32°F to 113°F (0°C to 45°C). Do not calibrate during or immediately after charging. The charging adapter is specific to your region. Use of the charging adapter outside your region will damage the charger and the detector. Charge the battery after each workday. To charge the battery, refer to the following procedures and illustration:

1. Deactivate the detector.
2. Insert the charging adapter plug into an AC outlet.
3. Connect the charging adapter to the detector IR interface.
4. Charge the battery for 6 hours.
5. To reach full battery capacity, allow a new battery to fully charge and discharge three times.

Diagram showing the detector connected to a charging adapter plugged into an AC outlet.

WEEE Directive and Battery Directive

WEEE symbol indicating proper electronic waste disposal.

This symbol indicates that the product must not be disposed of as general industrial or domestic waste. This product should be disposed of through suitable WEEE disposal facilities. For more information about disposal of this product, contact your local authority, distributor or the manufacturer.

Factory Calibration Certificate

Honeywell is committed to providing quality products. This instrument has undergone rigorous testing throughout its manufacture. This is the final report by the people that take pride in the products they build. This instrument has been factory inspected, tested, and calibrated in accordance with the conditions and requirements of our registered Quality System, Operating Standards, and Sales Agreements. All calibration gases are traceable to a known national standard. Refer to your product user manual to determine the recommended calibration frequency.

[Placeholder for Factory Calibration Certification]

Specifications

Instrument dimensions:

13.1 x 7.0 x 5.2 cm (5.1 x 2.8 x 2.0 in.)

Weight:

328 g (11.6 oz.)

Operating temperature:

-20°C to +50°C (-4°F to +122°F)

Storage temperature:

-40°C to +60°C (-40°F to +140°F)

Operating humidity:

10% to 100% relative humidity (non-condensing)

Dust and moisture ingress:

IP66/IP67

Alarm setpoints:

May vary by region and are user-defined

Detection range:

H₂S: 0-200 ppm (1 ppm increments)
CO: 0-1000 ppm (1 ppm increments)
O₂: 0 - 30.0% vol. (0.1% vol. increments)
Combustible (LEL): 0-100% (1% LEL increments) or 0-4.4% v./v CH4

Sensor type:

H₂S, CO, O₂: Single plug-in electrochemical cell
Combustibles: Plug-in catalytic bead.
O₂ measuring principle: Capillary controlled concentration sensor.

Alarm conditions:

TWA alarm, STEL alarm, low alarm, high alarm, multi-gas alarm, over limit (OL) alarm, low battery alarm, confidence beep, automatic deactivation alarm, and pump alarm.

Audible alarm:

95 dB+ at 30 cm variable pulsed beeper with full battery charge.

Visual alarm:

Red light-emitting diodes (LEDs).

Display:

Alphanumeric liquid crystal display (LCD).

Backlight:

Activates upon startup and when the pushbutton is pressed; deactivates after 10 seconds. Also activates during an alarm condition and remains lit until alarm ceases.

Self-test:

Initiated at activation and tests continuously.

Calibration:

Automatic zero and automatic span.

User field options:

Startup message, lockout on self-test error, safe mode, confidence beep, latching alarms, force calibration, cal IR lock, force bump, location logging, force block test, set datalog interval, set confidence interval, language selection.

Sensor options:

Sensor enable/disable, set span calibration values, set calibration interval, set bump interval, set alarm setpoints, set STEL interval, set TWA period, auto zero at startup enable/disable, 5% over span, low alarm acknowledge, oxygen measurement, and combustible gas measurement.

Battery operating time:

One rechargeable lithium polymer: 13 hours (typical).

Year of manufacture:

The detector's year of manufacture is determined from the serial number. The second and third number after the second letter determines the year of manufacture. E.g., MA 110-000001 = 2010 year of manufacture.

Standard release data. This product has extended characteristics. For specifications refer to EAC Ex certificate and Pattern Approval document.

Approved Batteries

North America

Approved batteries for Honeywell BW™ MaxXT II product:

• Lithium-ion polymer battery as per standards EN50020, UL913, C22.2 No. 157
• Rechargeable battery (MX-BAT01)
• Lithium polymer -20°C ≤ Ta ≤ +50°C
• Temperature code: T4
• Battery charger: charging adapter
• First-time charge: 6 hours
• Normal charge: 6 hours

Warranty

2 years including sensors

Approvals

Approved by CSA to both U.S. and Canadian Standards

• CAN/CSA C22.2 No. 157 and C22.2 152
• ANS/UL-913 and ANSI/ISA-S12.13 Part 1

CSA

Class I, Division 1, Group A, B, C, and D

ATEX

CE 0539 II 1 G Ex da ia IIC T4 Ga KEMA 08 ATEX 0001

IECEx

EN 60079-0, EN 60079-1, EN 60079-11

Ex da ia IIC T4 Ga CSA 07.0012

INMETRO

IEC 60079-0, IEC 60079-1, IEC 60079-11

Ex ia IIC T4 Ga DNV 12.0135

KTL

12-KB4BO-0054

For more information on Approvals and Conformity Declarations refer to the Honeywell https://safety.honeywell.com web site.

FCC/ICES Compliance

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules and ICES-003 Canadian EMI requirements. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Limited Warranty and Limitation of Liability

Honeywell Analytics warrants the product to be free from defects in material and workmanship under normal use and service for a period of two years, beginning on the date of shipment to the buyer. This warranty extends only to the sale of new and unused products to the original buyer. Honeywell's warranty obligation is limited, at Honeywell's option, to refund of the purchase price, repair or replacement of a defective product that is returned to a Honeywell authorized service center within the warranty period. In no event shall Honeywell's liability hereunder exceed the purchase price actually paid by the buyer for the Product.

This warranty does not include:

• fuses, disposable batteries or the routine replacement of parts due to the normal wear and tear of the product arising from use;
• any product which in Honeywell's opinion, has been misused, altered, neglected or damaged, by accident or abnormal conditions of operation, handling or use;
• any damage or defects attributable to repair of the product by any person other than an authorized dealer, or the installation of unapproved parts on the product; or

the obligations set forth in this warranty are conditional on:

• proper storage, installation, calibration, use, maintenance and compliance with the product manual instructions and any other applicable recommendations of Honeywell;
• the buyer promptly notifying Honeywell of any defect and, if required, promptly making the product available for correction. No goods shall be returned to Honeywell until receipt by the buyer of shipping instructions from Honeywell; and
• the right of Honeywell to require that the buyer provide proof of purchase such as the original invoice, bill of sale or packing slip to establish that the product is within the warranty period.

THE BUYER AGREES THAT THIS WARRANTY IS THE BUYER'S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. HONEYWELL SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR BASED ON CONTRACT, TORT OR RELIANCE OR ANY OTHER THEORY.

Since some countries or states do not allow limitation of the term of an implied warranty, or exclusion or limitation of incidental or consequential damages, the limitations and exclusions of this warranty may not apply to every buyer. If any provision of this warranty is held invalid or unenforceable by a court of competent jurisdiction, such holding will not affect the validity or enforceability of any other provision.

Contact

Europe, Middle East, Africa

Life Safety Distribution GmbH
Javastrasse 2
8604 Hegnau
Switzerland
Toll-Free 00800 333 222 44
Middle East +971 4 450 5800
Middle East +971 4 450 5852 (Portable Gas Detection)
gasdetection@honeywell.com

Technical Services

EMEA: HAexpert@honeywell.com
US: ha.us.service@honeywell.com
AP: ha.ap.service@honeywell.com

Americas

Honeywell Analytics Distribution Inc.
405 Barclay Boulevard
Lincolnshire, Illinois. USA 60069
Tel: +1 847 955 8200
Toll free: +1 800 538 0363
detectgas@honeywell.com

Asia Pacific

Honeywell Analytics Asia Pacific
7F SangAm IT Tower,
434 Worldcup Buk-ro, Mapo-gu,
Seoul 03922, South Korea
Tel: +82 (0) 2 6909 0300
India Tel: +91 124 4752700
analytics.ap@honeywell.com

https://safety.honeywell.com

https://sps.honeywell.com