Default alarm setpoints: 19.5% vol.-23.5% vol 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 Durable, reliable and easy to use with no downtime Record keeping is accurate and easy with automatic event logging Exceptionally low cost of ownership User-selectable alarm setpoints (5/10 or 10/15) on GA24XT-H510 model 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 confidence 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 User-selectable alarm setpoints (5/10 or 10/15) now available on GA24XT-H510 model GasAlertClip Extreme Specifications: Size 1.1 x 2.0 x 3.2 in. / 2.8 x 5.0 x 8.1 cm Weight 2.7 oz. / 76 g Temperature H2S: -40 to +122°F / -40 to +50°CCO: -22 to +122°F / -30 to +50°CSO2: -22 to +122°F / -30 to +50°CO2: -4 to +122°F / -20 to +50°C Humidity 5% - 95% RH (non-condensing) Alarms - 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 Two years (H2S, CO, SO2 or O2) or three years (H2S or CO) Warranty 2 or 3 years from activation (given normal operation), plus 1 year shelf life Sensor Specifications: Gas Measuring Range Low Alarm Level1 High Alarm Level1 2 or 3 year detector H2S 0 -100 ppm 10 ppm 15 ppm CO 0 - 300 ppm 35 ppm (30 ppm UK/EU) 200 ppm 2 year detector only SO2 0 - 100 ppm 5 ppm 10 ppm O2 0 - 30.0 % by vol. 19.5 % 23.5 % GasAlertClip Extreme Specifications: Size 1.1 x 2.0 x 3.2 in. / 2.8 x 5.0 x 8.1 cm Weight 2.7 oz. / 76 g Temperature H2S: -40 to +122°F / -40 to +50°CCO: -22 to +122°F / -30 to +50°CSO2: -22 to +122°F / -30 to +50°CO2: -4 to +122°F / -20 to +50°C Humidity 5% - 95% RH (non-condensing) Alarms - 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 Two years (H2S, CO, SO2 or O2) or three years (H2S or CO) Warranty 2 or 3 years from activation (given normal operation), plus 1 year shelf life