BW Technologies Micro Clip XT Manuale utente
1, 2, 3, and 4-Gas Detector
Operator Manual
1
GasAlertMicroClip
Introduction
The operator’s manual provides basic information for the
GasAlertMicroClip XT and XL. For complete operating
instructions, refer to the GasAlertMicroClip Technical Reference
Guide provided on the CD-ROM. The GasAlertMicroClip (“the
detector”) warns of hazardous gas at levels above user-defined
alarm setpoints. The detector is a personal safety device. It is
your responsibility to respond properly to the alarm.
Note
The detector is shipped with English as the default
displayed language. Additional languages provided are
Portuguese, Spanish, German, and French. The screens
for the additional languages are displayed on the detector
and in the corresponding operator s manuals.
Zeroing the Sensors
To zero the sensors, refer to steps #1-3 in Calibration on page 7.
ec Warning
This instrument contains a lithium polymer battery.
Dispose of lithium cells immediately. Do not disassemble
and do not dispose of in fire. Do not mix with the solid
waste stream. Spent batteries should be disposed of by a
qualified recycler or hazardous materials handler.
GasAlertMicroClip
Operator’s Manual
2
Safety Information - Read First
Use the detector only as specified in this manual and the
reference guide, otherwise the protection provided by the
detector may be impaired. Read the following cautions before
using the detector.
aCautions
•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 user manual completely
before operating or servicing.
• Charge the detector before first time use. BW
recommends the detector be charged after every
workday.
• Before using the detector, refer to Sensor Poisons and
Contaminants.
• Calibrate the detector before first-time use and then on
a regular schedule, depending on use and sensor
exposure to poisons and contaminants. BW
recommends calibrating at least once every 180 days
(6 months).
• 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.
• Calibrate only in a safe area that is free of hazardous
gas and in an atmosphere of 20.9% oxygen.
• It is recommended 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.
• BW 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 readings may indicate an
explosive concentration.
• Any rapid up scaling reading followed by a declining or
erratic reading may indicate a gas concentration
beyond the upper scale limit, which can be hazardous.
• Extended exposure of the GasAlertMicroClip to certain
concentrations of combustible gases and air may stress
a detector element that can seriously affect its
GasAlertMicroClip
performance. If an alarm occurs due to a high
concentration of combustible gases, calibrate the
detector. If necessary, replace the sensor.
• Protect the combustible sensor from exposure to lead
compounds, silicones, and chlorinated hydrocarbons.
• Sensor exposure to certain organic vapors (such as
leaded gasoline and halogenated hydrocarbons) may
temporarily inhibit sensor performance. After exposure,
a bump test or calibration is recommended.
• For use only in potentially explosive atmospheres
where oxygen concentrations do not exceed 20.9%
(v/v).
GasAlertMicroClip
Operator’s Manual
6
Parts of the GasAlertMicroClip
8
6
9
4
5
3
7
10
11
2
2
1
2
Item Description
1 IntelliFlash
2 Visual alarm indicators (LEDs)
3 Alligator clip
4 Charging connector / IR interface
5 Pushbutton
6 Carbon monoxide (CO) sensor
7 Hydrogen sulfide (H2S) sensor
8 Oxygen (O2) sensor
9 Combustible (LEL) sensor
10 Audible alarm
11 Liquid crystal display (LCD)
GasAlertMicroClip
Display Elements
7
Display Elements
1
8
7
6
54
3
2
Item Description
1 Alarm condition
2 Automatically zero sensor
3 Numeric value
4 Stealth mode
5 Battery life indicator
6 Gas identifier bars
7 Gas cylinder
8 Automatically span sensor
GasAlertMicroClip
Operator’s Manual
8
Pushbuttons
Pushbutton Description
C
• To activate the detector, press C.
• To deactivate the detector, press and hold Cuntil the OFF countdown is complete and the LCD deactivates
• To view the TWA, STEL, and MAX (maximum) readings, press Ctwice. To clear the TWA, STEL, and MAX
readings, press Cwhen the LCD displays RESET.
• To initiate calibration, deactivate the detector. Press and hold Cwhile the detector performs the OFF
countdown. Continue holding Cwhile the LCD briefly deactivates and then begins the CAL countdown.
Release Cwhen the CAL countdown is complete.
• To activate the backlight while in normal operation, press C.
• To acknowledge latched alarms, press C.
• To acknowledge a low alarm and disable the audible alarm, press C(if the Low Alarm Acknowledge option
is enabled).
GasAlertMicroClip
Sensor Poisons and Contaminants
9
Sensor Poisons and Contaminants
Several cleaners, solvents, and lubricants can contaminate and
cause permanent damage to sensors. Before using cleaners,
solvents, and lubricants in close proximity to the detector
sensors, read the following caution and table.
aCaution
Use only the following BW Technologies by Honeywell
recommended products and procedures
• Use water based cleaners.
• Use non-alcohol based cleaners.
• Clean the exterior with a soft, damp cloth.
• Do not use soaps, polishes, or solvents.
Below are common products to avoid using around sensors.
Cleaners and Lubricants
• Brake cleaners
• Lubricants
• Rust inhibitors
• Window and glass cleaners
• Dishsoaps
• Citrus based cleaners
• Alcohol based cleaners
• Hand sanitizers
• Anionic detergents
• Methanol (fuels and antifreezes)
Silicones
• Silicone cleaners and protectants
• Silicone based adhesives, sealants, and gels
• Hand/body and medicinal creams containing silicone
• Tissues containing silicone
• Mold releasing agents
• Polishes
Aerosols
• Bug repellents and sprays
• Lubricants
• Rust inhibitors
• Window cleaners
GasAlertMicroClip
Operator’s Manual
10
Calibration
Procedure Display Procedure Display
aCaution
Calibrate only in a safe area that is free of
hazardous gas in an atmosphere of 20.9%
oxygen.
1. Press and hold Cas the detector
performs the OFF countdown. Continue
holding Cwhen the LCD briefly
deactivates.
4. When is displayed and
flashes, connect the gas cylinder (refer to
page 11) 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 and flashes
while the detector completes the
calibration.
2. The LCD then activates again and
performs the CAL countdown. Continue
holding Cuntil the countdown is complete
to enter calibration.
5. The LCD displays CAL DUE. Next, a
screen displays showing the number of
days remaining before calibration is due
for each sensor. The LCD then displays
the earliest calibration due date, as some
sensors require more frequent
calibrations.
3. flashes while the detector
zeroes all of the sensors and calibrates the
oxygen sensor. If a sensor fails to auto
zero, it cannot be calibrated. When auto
zero is complete, the LCD displays APPLY
GAS.
Note Only use the calibration cap during the calibration
span process and for bump tests.
Wind currents may cause false readings and poor calibrations.
Do not calibrate the detector during or immediately after
charging is complete.
GasAlertMicroClip
Attach the Gas Cylinder to the Detector
11
Attach the Gas Cylinder to the Detector
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