Honeywell OM-EN-BWCRT-A6 User Manual

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BW Clip Real Time
2 OR 3 YEAR H2S, CO, O2, SO2 SINGLE-GAS DETECTOR
BW Clip Real Time is a portable, single-gas detector manufactured by BW Technologies by
gas in the ambient environment, and activates an alarm when concentrations exceed alarm setpoints. It is your responsibility to respond appropriately to the alarms. BW Clip Real Time is a member of the GasAlert family of products. It is compatible with IntelliDoX and MicroDock II automatic test and calibration stations, as well as Fleet Manager II software version 4.2 or higher. For more information, visit the product website at www. honeywellanalytics.com
Safety Information: Read First
1. Substitution of components may impair Intrinsic Safety.
2. BW recommends performing a bump test prior to each day’s use to conrm sensor response and alarm activation by exposing the detector to a concentration of target gas that exceeds the low alarm set point. BW also recommends performing a bump test if the detector has been subjected to physical impact, liquid immersion, an Over Limit alarm event, custody changes, or anytime the detectors performance is in doubt. Calibrate the detector after a failed bump test. Always bump test and calibrate in a fresh air environment.
3. Detectors in hibernation mode are not functional.
1. Activate the detector before the activation date on the package.
2. This product is a gas detector, not a measurement device.
3. Ensure that the sensor grill is free of dirt, debris, and is not obstructed.
4. Clean the exterior with a soft, damp cloth.
5. For optimal performance, periodically zero the sensor in a normal atmosphere (20.9%
) that is free of hazardous gas.
v/v O
2
6. Portable safety gas detectors are life safety devices. Accuracy of ambient gas reading(s) is dependent upon factors such as accuracy of the calibration gas standard used for calibration and frequency of calibration. BW recommends performing a calibration at least once every 180 days (6 months).
Informations de sécurité – À lire au préalable
AVERTISSEMENT
1. Le remplacement d’un composant de l’appareil peut compromettre la sécurité intrinsèque du détecteur.
2. Avant chaque utilisation quotidienne, BW recommande d’effectuer un test fonctionnel
an de vérier la réaction du capteur et l’activation de l’alarme, en exposant le détecteur
à une concentration de gaz cible supérieure au seuil d’alarme basse. BW recommande également d’effectuer un test fonctionnel si le détecteur a été soumis à un impact physique, à une immersion dans du liquide, à un événement d’alarme Dépassement de la limite, à des changements d’utilisateur ou chaque fois que les performances du détecteur sont mises en doute. Étalonnez le détecteur après l’échec d’un test fonctionnel. Effectuez toujours un test fonctionnel et étalonnez dans un environnement avec de l’air frais.
3. Détecteurs en mode veille prolongée ne sont pas fonctionnels.
MISE EN GARDE
1. Activez le détecteur avant la date d’activation sur l’emballage.
2. Ce produit est un détecteur de gaz, pas un dispositif de mesure.
3. Veillez à assurer que la grille du capteur est exempt de saleté, les débris, et ne soit pas obstrué.
4. Nettoyez l’extérieur de l’appareil à l’aide d’un chiffon doux et humide.
5. Pour des performances optimales, zéro périodiquement le capteur dans une atmosphère normale (20,9% v/v O
6. Les détecteurs portables de gaz de sécurité sont des dispositifs de sécurité des personnes. La précision des valeurs de gaz ambiant dépend de divers facteurs, tels que la précision de la norme de gaz d’étalonnage utilisée pour l’étalonnage et la fréquence d’étalonnage. BW recommande d’effectuer un étalonnage au moins une fois
tous les 180 jours (6 mois).
) qui est exempte de gaz dangereux.
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Part Number 50115903-101 | OM-EN-BWCRT-A6 | BW Clip Real Time Operator Manual
Getting Started
LCDLCD
Audible
Audible
alarm
alarm
LED
LED
visual alarms
visual alarms
Bubble label
Bubble label
with product name
with product name
and gas type
and gas type
PushbuttonPushbutton
Sensor and
Sensor and sensor grill
sensor grill
Infrared port
Product label
LCD and Symbols
Pushbutton prompt. When this symbol is displayed, press and hold the pushbutton until the symbol disappears.
BW Clip Real Time O2 models only. Oxygen concentration is measured as percent by volume.
BW Clip Real Time H2S, CO and SO2 models only. Toxic gas concentration is measured in parts per million.
Low alarm and high alarm. These symbols are displayed when a gas concentration that exceeds alarm setpoints is detected.
Non-compliance warning. This symbol is displayed when a diagnostic or compliance test fails; when the operating life countdown reaches 24 hours or less; and for up to 30 days after
operating life expiry. It is also displayed when certain notications
are enabled through Fleet Manager II via an IntelliDoX station.
Real-time clock. This symbol is displayed when real-time clock is enabled through Fleet Manager II via an IntelliDoX station.
End of operating life warning. This symbol is displayed when the operating life countdown reaches 24 hours or less.
Peak reading. This symbol is displayed when a maximum gas exposure event has occurred within the past 24 hours.
Bump test reminder. If the detector is congured to display a bump
test reminder, this symbol is displayed when a bump test is due.
indicates a failed bump test.
Alligator clip
This symbol is displayed when more than 24 hours have elapsed since the last successful zero procedure was performed (O models) or indicates a sensor calibration is due (H2S, CO and SO2 models).
indicates a failed calibration (H2S, CO and SO2 models) or a
failed zero procedure (O
Operating life remaining in months (MM) or days (DD).
models).
2
2
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BW Clip Real Time
2 OR 3 YEAR H2S, CO, O2, SO2 SINGLE-GAS DETECTOR
Activate a New Detector
1. Move to a normal atmosphere (20.9% v/v O2) that is free of hazardous gas.
2. Press and hold the pushbutton until a 5 second countdown is displayed, and then continue to hold until the countdown is complete.
3. When the countdown is complete, the LCD and LEDs turn on and then turn off. The detector performs an internal diagnostic test.
4. When the diagnostic test is successful, the alarm setpoints are displayed and the LEDs
ash.
5. The sensor stabilization countdown is displayed. During the countdown, the detector vibrates continuously for 20 seconds. The time required to stabilize varies depending
on sensor type. When the countdown reaches 0, the LEDs ash and the audible alarm
beeps.
6. The detector is in normal operating mode when the gas type and concentration are displayed.
Normal Operating Mode
When the detector is in normal operating mode, the type of gas detected is permanently displayed. The detected concentration of the gas is displayed until it is disrupted by a pushbutton action, gas alarm, or error event.
Operating Life
When the detector is activated for the rst time, the operating life
countdown is displayed. Press the pushbutton to display remaining operating life.
90 Days or Less Remaining
When the operating life countdown reaches 90 days or less before expiry, the countdown display changes to days. The countdown displays the remaining operating life in days until the countdown reaches 24 hours or less before expiry.
24 Hours or Less Remaining
When the operating life countdown reaches 24 hours or less before expiry, the countdown display changes to hours, and the EXPIRY! warning and non-compliance symbol are displayed.
End of Operating Life
When the operating life countdown ends, the detector deactivates and detector safety functions are disabled. It is possible to retrieve event logs for a limited time after expiry. The EXPIRY! warning and non-compliance symbol are displayed for up to 30 days after expiry.
Internal Diagnostic Tests
Activated detectors automatically perform one internal diagnostic test every 24 hours. If the internal diagnostic test fails, the diagnostic fail-safe begins.
Diagnostic Fail-Safe
1. The EXPIRY! warning and non-compliance symbol are displayed.
2. The detector beeps and vibrates.
3. The LEDs ash 2 times per second for 15 seconds.
4. OFF or an error code is displayed. The detector is deactivated.
It is possible to retrieve the event logs for a limited time after expiry. If you are unable to retrieve the event logs, contact BW.
Alarms and Warnings
An alarm is initiated when the sensor is exposed to a gas concentration that exceeds alarm setpoints. The alarm persists until the alarm gas concentration returns to an acceptable range. Battery life decreases rapidly when the detector is in alarm condition.
Low Alarm
Audible: 1 beep per second Visual: 1 flash per second
Vibration: 1 vibration per second
High Alarm
Audible: 2 beeps per second
Visual: 2 ashes per second
Vibration: 2 vibrations per second
Over-Limit and Under-Limit Alarms
If the gas concentration is beyond the sensor range, OL (over-limit) or
-OL (under-limit) is displayed.
Audible: 2 beeps per second
Visual: 2 ashes per second
Vibration: 2 vibrations per second
Automatic Zero Reminder for O2 Models
For O2 models only, the Automatic Zero Reminder is displayed when more than 24 hours have elapsed since the last successful zero procedure was performed.
Peak Readings
The peak readings symbol is displayed when the sensor is exposed to a gas concentration that exceeds the alarm setpoints. It is no longer displayed when more than 24 hours have passed since the last alarm, or when a successful bump test is performed via an IntelliDoX or MicroDock II station.
Non-compliance Symbol and LED Indicators
The non-compliance warning symbol is displayed when:
• an internal diagnostic test fails;
• a bump test, calibration or zero procedure fails;
• a bump test or calibration is due, if enabled;
• the sensor is exposed to a gas concentration that exceeds alarm setpoints, if enabled. The non-compliance warning symbol is no longer displayed when more than 24 hours have passed since the last alarm, or when a successful bump test or calibration is performed (manual calibration or via an IntelliDoX or MicroDock II station). The non-compliance warning symbol is permanently displayed when the service-life countdown reaches 24 hours or less before expiry, and for up to 30 days after expiry.
When Non-compliance after gas exposure is enabled through Fleet Manager II via
an IntelliDoX station, the LEDs ash in an alternating pattern when the non-compliance
warning symbol is displayed. When the symbol is rst displayed, the top LEDs ash. After
30 seconds, the side LEDs ash. After 30 seconds, the pattern repeats until the non-
compliance warning symbol is no longer displayed.
NOTE: When the detector is bump tested via a MicroDock II station, an abnormal test
result may occur if non-compliance LEDs are ashing. To suspend the ashing for up to 10
minutes, press and release the pushbutton. When the ashing stops, insert the detector and
perform the test. If the bump test fails, the LEDs resume ashing.
Recall Events and Settings
When the detector is in normal operating mode, press the pushbutton at any time to scroll through events and settings that are not empty or disabled through Fleet Manager II via an
IntelliDoX station. BW Clip Real Time ashes, vibrates and beeps.
While an event or setting is displayed, press the pushbutton to scroll to the next available event or setting. If you do not press the pushbutton, or if you have reached the last available event or setting, the detector returns to normal operation. Events and settings are displayed in this order:
1. Peak Reading, if available, and when a maximum gas exposure event has occurred
within the past 24 hours.
2. Time of Peak Reading, if Real-time Clock display is enabled.
3. Operating Life, the remaining operating life of the detector in months, days or hours.
4. Low Alarm Setpoint
5. High Alarm Setpoint
6. Real-time Clock, if enabled.
7. Firmware Version
8. Next Bump Due, if enabled.
9. Next Calibration Due, if enabled.
10. Hibernation, for 2-year H
S and CO models only.
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Zero the Sensor
Over time and through use, the sensor baseline at zero exposure may drift from the manufacturer’s baseline. For optimal performance of O you zero the O displayed. For all other models, BW recommends that you zero the sensor periodically.
sensor once every 24 hours or when the Automatic Zero Reminder is
2
models, BW recommends that
2
Zero Procedure
1. Move to a normal atmosphere (20.9% v/v O2) that is free of hazardous gas.
2. Press and hold the pushbutton until a 5 second countdown is displayed, and then continue to hold until the countdown is complete.
3. When the countdown is complete, the Zero procedure begins and ZErO is displayed.
4. When Zero is successful, PASS and then CAL ? is displayed. Press the pushbutton to calibrate, or wait for the detector to enter normal operating mode after a 5 second countdown.
5. If Zero is not successful, the non-compliance LED ashes. FAIL and the non-compliance warning symbol are displayed. Press the pushbutton to acknowledge the result and return to normal operation. The non-compliance warning symbol is displayed and the non-compliance LED ashes. Perform the Zero procedure again. If the procedure fails again, contact BW.
Bump Te sts
When the detector is congured to display a bump test reminder, the bump test symbol is
displayed when a bump test is due. For best results, bump test the detector via an IntelliDoX or MicroDock II station. Bump tests performed via an IntelliDoX or MicroDock II station are logged as bump tests. Manual bump tests are logged as unsafe gas concentrations.
Calibration
By default, BW Clip Real Time is congured to use the following calibration gas mixtures:
H2S: 20 ppm balance N
You can use Fleet Manager II software via an IntelliDoX station to change a detector’s default calibration gas mixtures. If the detector’s default calibration mixtures were changed,
If calibration fails, non-compliance warning symbols are displayed. Press the pushbutton to acknowledge. Repeat calibration. If it fails again, contact BW.
2
CO: 100 ppm balance N
2
use the gas mixture values from Fleet Manager II to calibrate the detector.
1. Move to a normal atmosphere (20.9% v/v O2 ) that is free of
hazardous gas.
2. Connect the calibration hose to the gas cylinder and to the intake
inlet on the calibration cap.
3. Press and hold the pushbutton until a 5 second countdown is displayed, and then continue to hold until the countdown is complete. The zero procedure begins and ZErO is displayed. When Zero is successful, PASS is displayed.
4. When CAL ? is displayed, press the pushbutton to begin calibration.
5. Put the calibration cap on the sensor grill.
6. When GAS ? is displayed, apply calibration gas for two minutes
at a recommended ow rate of 500 ml/min. When calibration is
successful, PASS is displayed and the detector returns to normal operating mode.
SO
: 20 ppm
2
balance N
O
: 18.0 % v/v O
2
2
2
Event Logs
The detector stores the last 35 events that occurred, including peak readings, bump tests, calibrations and auto zeros. Each record contains:
• detector serial number, sensor type and life-remaining;
• total number of events that have occurred;
• event type and duration;
• alarm level(s) in ppm or %;
• time elapsed since the alarm occurred in days/hours/minutes;
• duration of the alarm (minutes/seconds). Use Fleet Manager II via an IntelliDoX or MicroDock II station to transfer event logs from the detector to a computer. When logs are transferred via an IntelliDoX station, the most recent 35 events are transferred. When logs are transferred via a MicroDock II station, the most recent 10 events are transferred.
Optional Settings
Use Fleet Manager II via an IntelliDoX station to enable the following optional settings for BW Clip Real Time detectors.
Non-compliance After Gas Exposure
When Non-compliance after gas exposure is enabled, the LEDs ash in an alternating pattern when the sensor is exposed to a gas concentration that exceeds alarm setpoints.
When the gas exposure is detected, the top LEDs ash. After 30 seconds, the side LEDs
ash. After 30 seconds, the pattern repeats until more than 24 hours have passed since the
last alarm, or when a successful bump test is performed via an IntelliDoX or MicroDock II station.
Real-time Clock Display
When real-time Clock Display is enabled, you can display the current time by pressing the pushbutton to Recall Events and Settings, and then continuing to press the pushbutton until the time is displayed. Time may be displayed in 12-hour or 24-hour clock format.
Hibernation
Hibernation is a factory installed feature that is available for 24-month H2S and CO detectors. When Hibernation is activated, the operating life countdown is suspended. Use Hibernation to deactivate the detector for 7 days or longer, up to a maximum of 12 months. When Hibernation is activated, all detector safety functions are disabled.
Activate Hibernation via BW Clip Real Time Hibernation Case
1. Have ready a BW Clip Hibernation Case. To purchase a Case, contact BW or an authorized distributor.
2. Move to a normal atmosphere (20.9% v/v O2) that is free of hazardous gas.
3. Verify that the detector is in normal operating mode.
4. Press the pushbutton to Recall Events and Settings, and then continue to press the pushbutton until Hib
5. While Hib is displayed, press the pushbutton until a 5 second countdown is displayed. When the countdown is complete, the 20-second Hibernation counter is displayed.
6. While the Hibernation counter is displayed, place the detector into a BW Clip Real
Time Hibernation Case and then close the case rmly. The detector enters Hibernation
mode. All detector safety functions are disabled.
7. To reactivate the detector, open the case and remove the detector.
is displayed.
Activate Hibernation through Fleet Manager II via IntelliDoX
1. Use Fleet Manager II to activate Hibernation on Insertion via an IntelliDoX station, and
then insert the detector in the congured station. The detector event logs are retrieved,
and the detector enters Hibernation mode. All safety functions are disabled, and the detector may be removed from the IntelliDoX station.
2. To reactivate the detector, press and hold the pushbutton until a 5 second countdown is displayed, and then continue to hold until the LCD and LEDs turn on and off. The detector performs a self-diagnostic test. When the test is successful, the type of gas detected and the remaining operating life are displayed. The detector is in normal operating mode.
3. For more information, refer to the operator manuals for the IntelliDoX station and Fleet Manager II software version 4.2 or higher.
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BW Clip Real Time
2 OR 3 YEAR H2S, CO, O2, SO2 SINGLE-GAS DETECTOR
About this Publication
This publication is an operator guide for BW Clip Real Time portable single-gas detectors manufactured by BW Technologies by Honeywell. It is intended for use with the following models:
• 24- and 36-month H2S and CO Detectors
• 24-month O2 detector
• 24-month SO2 detector
Copyright, Notice, Trademarks
While this information is presented in good faith and believed to be accurate, BW Technologies by Honeywell (BW) disclaims the implied warranties of merchantability and fitness for a particular purpose and makes no express warranties except as may be stated in its written agreement with and for its customers. In no event is BW liable to anyone for any indirect, special or consequential damages. The content in this document is subject to change.
Contact Us Corporate Headquarters
BW Technologies by Honeywell Suite 110 4411-6 Street SE Calgary, Alberta Canada, T2G 4E8 Toll-free: 1-800-663-4164
Americas
BW Technologies by Honeywell 405 Barclay Blvd. Lincolnshire, IL USA 60069 Toll-free: 1-888-749-8878
Europe
BW Technologies by Honeywell Javastrasse 2 8604 Hegnau Switzerland Toll-free: 00800-333-222-44
Other
W Technologies by Honeywell
B Toll-free: 1-403-248-9226 info@gasmonitors.com www.honeywellanalytics.com
Warranty Registration
www.honeywellanalytics.com/support/ product-registration
Maximum Operating Life
24-
month Detector
2 years after activation, assuming 2 minutes of alarm time per day. Note: 24-month H2S and CO detectors that use hibernation may extend the service period of the detector up to an additional year. The service life will end once the detector reaches 24 months of actual operation. Hibernation provides a maximum service life of 36 months.
36-
month
Detector
3 years after activation, assuming 1 minute of alarm time per day.
Detection Range
H2S 0 to 100 ppm CO2 0 to 300 ppm
O2 0 to 25% v/v O SO2 0 to 100 ppm
Factory Alarm Setpoints
Low Alarm High Alarm H2S 10 ppm 15 ppm CO 35 ppm 200 ppm
19.5% v/v O
O
2
SO
5 ppm 10 ppm
2
Use Fleet Manager II via an IntelliDoX station to adjust alarm setpoints. For more information, refer to the operator manuals for Fleet
Manager II software version 4.2 and the IntelliDoX automatic test and calibration station.
Ratings and Certifications
The BW Clip Real Time is in conformity with the following standards:
UL 913 8th Edition UL 60079-0:2013, UL 60079-11:2013
2
2
23.5% v/v O
2
CSA C22.2 No. 157-92:2012, CSA C22.2 No. 60079-0:2011, CSA C22.2 No. 60079-11:2014
EN 60079-0:2012 +A11:2013, EN 60079-11:2012
IEC 60079-0:2011
IEC 60079-11:2011
ABNT NBR IEC 60079-0:2008 ABNT NBR IEC 60079-11:2009
Classified by UL to both US and
Canadian Standards as intrinsically safe
UL
for Class I, Division 1, Group A, B, C, D and Class I, Zone 0, Group IIC.
ATEX
CE 0539 II 1G Ex ia IIC T4 Ga IP66/67 DEMKO 14 ATEX 1356
CE
European Conformity EU Declaration of Conformity www.honeywellanalytics.com
IECEx
Ex ia IIC T4 Ga IP66/67 IECEx UL 14.0063
INMETRO
Ex ia IIC T4 Ga DNV 15.0024
KTL
15-KA4BO-0306
1
Specifications
Shelf Life
H2S One (1) year before activation CO One (1) year before activation
(6)
O2 Six
O2 O
S
Instrument Weight alligator clip included
92 grams (3.2 ounces)
Instrument Dimensions alligator clip included
41 x 50 x 87 millimeters (1.6 x 2.0 x 3.4 inches)
Operating Temperatures
H2S -40° to +50°C (-40° to +122°F) CO -30° to +50°C (-22° to +122°F)
O2 -20° to +50°C (-4° to +122°F) SO2 -30° to +50°C (-22° to +122°F)
Internal Vibrating
Operates to -10°C (+14°F)
Operating Humidity
5% to 95% relative humidity (non-condensing)
Audible Alarm
≈ 95 dB at 10 cm (3.9 in)
V
isual Alarm
Flashing, wide-angled alarm lens with red LEDs plus alarm LCD readout
Display
Liquid crystal display (LCD)
Sensor Type
Electrochemical cells
Battery
Lithium, non-replaceable
Ingress Protection
IP 66/67
Alarm Setpoints
Instant low and instant high.
Calibration
To ensure accurate calibration, BW Technologies recommends using a premium­grade calibration gas approved by the National Institute of Standards and Technology (NIST).
Do not use a gas cylinder beyond its expiry date. BW Technologies recommends you calibrate the detector at least once every 180 days depending
1
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months before activation
ne (1) year before activation
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on use and sensor exposure to poisons and contaminants. Calibrate only in a safe area that is free of hazardous gas.
Allowable Calibration Gas Mixtures
For O2 detectors, perform the Zero procedure once every 24 hours or when the Automatic
Zero Reminder is displayed. Intended
This product is classified for use in hazardous
atmospheres that are not more than 21% v/v O
Recycling
This instrument contains a lithium battery. Do not mix with the solid waste stream. Spent should be disposed of by a qualified recycler or hazardous materials handler.
a CAUTION
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.
Limited Warranty and Limitation of Liability
BW Technologies (BW) warrants this product to be free from defects in material and workmanship under normal use and service for a period of two or three years (depending upon detector), beginning on the date of activation. 24-month H2S and CO detectors are covered for up to an
additional 12 months when hibernation is used, limited by a total of 24 months of detector operation. This Warranty is valid only if the detector is activated by the date on the package. This warranty extends only to the sale of new and unused products to the original buyer. BW’s
warranty obligation is limited, at BW’s option, to refund of the purchase price, repair, or replacement of a defective product that is returned to a BW authorized service center within the warranty period.
H2S 5 to 50 ppm CO2 25 to 250 ppm SO2 5 to 70 ppm
O2 5.0 % to 19.0 % v/v O
Use
2
2
batteries
In no event shall BW’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 BW’s opinion,
has been misused, altered, neglected or damaged by accident or abnormal conditions of operation, handling or use; or
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.
The obligations set forth in this warranty are conditional on:
1) proper storage, installation, calibration, use,
maintenance and compliance with the product manual instructions and any other applicable recommendations of BW;
2) the buyer promptly notifying BW of any
defect and, if required, promptly making the product available for correction. No goods shall be returned to BW until receipt by the buyer of shipping instructions from BW; and
3) the right of BW 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. BW SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS OF DATA, WHETHER ARISING FROM BREACH OF WARRANTY 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 provisions.
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