
single gas detector
H2S
Up to three years of continuous 
maintenance-free protection 
As the world’s most popular and widely used zero-
maintenance gas detector, the GasAlertClip Extreme offers 
continuous, reliable protection. Available in two year or three 
year versions, this single gas detector requires no calibration, 
sensor replacement, battery replacement, or battery 
charging. Compatible with the MicroDock II automatic 
test system, the simplicity of the GasAlertClip Extreme 
combined with minimal training requirements and negligible 
maintenance costs, make the GasAlertClip Extreme one of 
the most cost-effective PPE solutions for facility workers and 
on-site contractors.
CO
O
SO2 
2
Easy gas identifi cation with color coded labels and LCD indication:
• Durable, reliable and easy to use with no downtime 
• Record keeping is accurate and easy with automatic 
event logging
• Exceptionally low cost of ownership
Wear yellow. Work safe.

Standard features of BW products:
•  Compact and lightweight design makes it comfortable to wear
• Water-resistant
•  Compatible with BW MicroDock II automatic test station
•  Full function self-test of sensor, battery status, circuit integrity 
and audible/visual alarms
•  Bright wide-angled visual alarm bars
•  Built-in concussion-proof boot
Additional GasAlertClip Extreme features:
• Large confi dence LCD displays life remaining in months, days 
and hours
•  Displays peak alarm exposures encountered on demand
•  User-activated daily self-test
•  Internal vibrating alarm for high noise environments
•  Records and transmits gas alarm events
GasAlertClip Extreme Specifi cations
Size
Weight
Temperature
1.1 x 2.0 x 3.2 in. / 2.8 x 5.0 x 8.1 cm
2.7 oz. / 76 g
H2S: -40 to +122°F / -40 to +50°C 
CO: -22 to +122°F / -30 to +50°C
: -22 to +122°F / -30 to +50°C
SO
2
O
: -4 to +122°F / -20 to +50°C
2
Humidity
Alarms
5% - 95% RH (non-condensing)
- Visual, vibrating, audible (95dB)
- Low, High
Tests
Full function self-test on activation and every 20 hours, and 
automatic battery test every 2 hours
Typical battery life
Ratings 
Two years (H2S, CO, SO2 or O2) or three years (H2S or CO)
EMI/RFI: Complies with EMC Directive 89/336/EEC 
IP 66/67 
Certifi cations and 
approvals
Warranty
h Class I, Div. 1, Gr. A, B, C, D
  American Bureau of Shipping 
ATEX: X g II 1 G T4
  Ex ia IIC T4
IECEx: Ex ia IIC T4 
X:  European Conformity
2 or 3 years from activation (given normal operation), plus 
1 year shelf life
Options and Accessories
MicroDock II 
compatible
Concussion-proof 
boot
Bulk package of 
50 units
IR DataLink 
For a complete list of accessories, please contact BW Technologies.
Sensor Specifi cations
Gas
Measuring
Range
Low Alarm 
1
Level
High Alarm 
1
Level
2 or 3 year detector 
H
CO
S
2
0 -100 ppm 10 ppm 15 ppm
0 - 300 ppm
35 ppm 
(30 ppm UK/EU)
200 ppm
2 year detector only 
SO
2
O
2
1 
Alarm set points are not user adjustable. If different set points are required please indicate 
0 - 100 ppm 5 ppm 10 ppm
0 - 30.0 % by vol. 19.5 % 23.5 %
at time of order. 
Note: H2S, CO and SO2 sensors do not require calibration; the O2 sensor is self-calibrating
Locally available from
Corporate Headquarters
2840 - 2 Avenue S.E.  USA  1.888.749.8878  Europe  +44 (0)1295 700 300  China  +86 10 6786 7305 
Calgary, AB, Canada T2A 7X9  Canada  1.800.663.4164  France  +33 (0) 442 98 17 70  S.E. Asia  +65 6580 3468 
Phone: +1-403-248-9226  Australia +61.3.9464.2770  Middle East +971-4-8871766  Other Countries +1-403-248-9226 
 www.gasmonitors.com info@gasmonitors.com
DUE TO ONGOING RESEARCH AND PRODUCT IMPROVEMENT, SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.
© 2008 Honeywell International Ltd. All Rights Reserved.
5472-12-EN