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BW GasAlert Extreme Single Gas Detectors |
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How to Replace the Battery |
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With detector OFF, use No. 1 Phillips screwdriver to remove 4 screws from back enclosure ( B ) |
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Lift back enclosure ( B ) straight up |
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Lift battery ( C ) straight up |
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Insert new battery ( C ) |
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Replace back enclosure ( B) |
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Replace 4 screws in back enclosure ( B ) and hand-tighten until firm |
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How to Replace the Sensor |
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With detector OFF, use No. 1 Phillips screwdriver to remove 4 screws from back enclosure ( B ) |
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Lift back enclosure ( B ) straight up |
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Use No. 1 Phillips screwdriver to remove 2 screws from the back of the PCB ( D ) |
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Lift PCB ( D ) together with battery ( C ) and sensor ( E ) straight up |
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Remove sensor ( E ) from PCB ( D ) by pulling straight up |
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Insert new sensor ( E ) into PCB ( D ) |
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Replace PCB ( D ) and 2 screws and hand-tighten until firm |
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Replace back enclosure ( B ) |
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Replace 4 screws in back enclosure ( B ) and hand-tighten until firm |
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How to Replace the Sensor Screen |
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With detector OFF, use No. 1 Phillips screwdriver to remove 4 screws from back enclosure ( B ) |
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Lift back enclosure ( B ) straight up |
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Use No. 1 Phillips screwdriver to remove 2 screws from the back of the PCB ( D ) |
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Lift PCB ( D ) together with battery ( C ) and sensor ( E ) straight up |
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Remove sensor screen ( F ) from front enclosure ( G ) by pulling straight up |
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Insert new sensor screen (F) into front enclosure ( G ) |
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Replace board ( C ) and 2 screws and hand-tighten until firm |
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Replace back enclosure ( B ) |
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Replace 4 screws in back enclosure ( B ) and hand-tighten until firm |
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Specifications |
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Size |
1.1 x 2.0 x 3.75 in. / 2.8 x 5.0 x 9.5 cm |
Weight |
2.9 oz. / 82 g |
Alarms |
- Visual, vibrating, audible ( 95 dB ) |
- Low, High, STEL, TWA |
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Tests |
Sensor integrity, circuitry, battery and audible/visual alarms on activation, battery ( continuous ) |
Pump |
Compatible with the Sampler motorized pump |
Typical battery life |
1.5 year battery life ( typical ) with replaceable 3V battery |
User options |
Confidence beep |
Latching alarms |
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Stealth mode |
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Passcode protection |
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Automatic O2calibration |
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Automatic backlight |
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User-settable calibration gas level |
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Calibration past due lockout |
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Language choices ( five ) |
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Ratings |
IP 66/67 |
EMI/RFI : |
Complies with EMC Directive 89/336/EEC |
Certifications & approvals |
Class I, Div. 1, Gr. A, B, C, D |
Class II, Div. 1, Gr. E, F, G |
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American Bureau of Shipping |
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ATEX : II 1 G T4 |
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Ex ia IIC T4 |
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IECEx : Ex ia IIC T4 : |
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European Conformity |
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Order Information : |
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GAXT-H-DL |
GasAlertExtreme Hydrogen Sulfide ( H2S ) with Yellow housing. |
GAXT-M-DL |
GasAlertExtreme Carbon Monoxide ( CO ) with Yellow housing. |
GAXT-X-DL-2 |
GasAlertExtreme Oxygen ( O2 ) with Yellow housing. |
GAXT-A-DL |
GasAlertExtreme Ammonia ( NH3 ) with Yellow housing. |
GAXT-C-DL |
GasAlertExtreme Chlorine ( CL2 ) with Yellow housing. |
GAXT-S-DL |
GasAlertExtreme Sulfur dioxide ( SO2 ) with Yellow housing. |
GAXT-A2-DL |
GasAlertExtreme Ammonia ( NH3 ) extended range with Yellow housing. |
GAXT-D-DL |
GasAlertExtreme Nitrogen Dioxide ( NO2 ) with Yellow housing. |
GAXT-E-DL |
GasAlertExtreme Ethylene oxide ( ETO ) with Yellow housing. |
GAXT-G-DL |
GasAlertExtreme Ozone ( O3 ) with Yellow housing. |
GAXT-H-2-DL |
GasAlertExtreme Hydrogen Sulfide ( H2S ) extended range with Yellow housing. |
GAXT-M2-DL |
GasAlertExtreme Carbon Monoxide ( CO ) H2 resistant with Yellow housing. |
GAXT-N-DL |
GasAlertExtreme Nitric oxide ( NO ) with Yellow housing. |
GAXT-P-DL |
GasAlertExtreme Phosphine ( PH3 ) with Yellow housing. |
GAXT-V-DL |
GasAlertExtreme Chlorine Dioxide ( ClO2 ) with Yellow housing. |
GAXT-Z-DL |
GasAlertExtreme Hydrogen Cyanide ( HCN ) with Yellow housing. |