Zeroing The Sensors; Safety Information - Read First - BW Technologies Max XT II Operator's Manual

Introduction
The operator's manual provides basic information to operate
the GasAlertMax XT II gas detector. For complete operating
instructions, refer to the GasAlertMax XT II Technical Reference
Guide provided on the CD-ROM. The GasAlertMax XT 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.
The detector is shipped with English as the default
displayed language. Additional languages provided
are French, German, Spanish, and Portuguese. The
screens for the additional languages are displayed on
the detector and in the corresponding operator's
manual.

Zeroing the Sensors

To zero the sensors, refer to steps #1-3 in Calibration on
page 7.
Note
GasAlertMax XT II

Safety Information - Read First

Use the detector only as specified in this operator's manual and
the technical reference guide, otherwise the protection provided
by the detector may be impaired.
Read the following Cautions before using the detector.
a
Warning:
• Substitution of components may impair Intrinsic
Safety.
• Caution: For safety reasons, this equipment must be
operated and serviced by qualified personnel only. Read
and understand the technical reference guide completely
before operating or servicing.
• Charge the detector before first-time use. BW 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).
Cautions
1