Rugged and reliable, the GasAlertQuattro four-gas detector combines a comprehensive range of features with simple one-button operation. With flexible power options, the GasAlertQuattro is always ready. The graphic LCD displays easy to identify icons that indicate operational information, such as bump test and calibration status for simplified onsite auditing. IntelliFlash provides continuous visual confirmation of detector operation and compliance. Suited to a wide range of industrial applications including confined space entry. Features & Benefits: Compact and lightweight design makes it comfortable to wear Simple one-button operation for ease of use Compatible with MicroDock II Interchangeable rechargeable battery pack or alkaline pack with 3 AA batteries Comprehensive datalogging and event logging capacity IntelliFlash veriÔ¨Åes operation and compliance to user and supervisors from up to 20 ft. / 6.1 m Field-proven SureCell sensors offer an unprecedented performance in even the harshest environments. Enhanced resistance to common industrial cross sensitive gases such as methanol and ethanol (CO and H2S sensors) Sensors: H2S CO O2 LEL Specifications: Size: 5.1 x 3.2 x 1.9 in. / 13.0 x 8.1 x 4.7 cm Temperature: -4 to +122°F / -20 to +50°C Humidity: 10% - 100% RH (non-condensing) Pump: Compatible with the Sampler motorized sampling pump Ratings EMI/RFI: Complies with EMC Directive 2004/108/EC IP66/IP67 User Options: Confidence / Compliance beep Confidence flash Set STEL interval Sensor on/off Latching alarms Safe display mode Force calibration Auto-zero on start up Flip display Combustible gas measurement (% LEL or % by volume methane) User-defi nable calibration gas concentration Force bump Language choices (fi ve) Custom start up message Datalog interval