MSA Altair Pro O2 19,5%-23% with Vibrator

Robust detector with replaceable sensors for measuring CO, H2S, O2, SO2, Cl2, ClO2, NO2, PH3, NH3 and HCN. Replaceable CR2 battery with about 1 year of operation. Three alarms: visual, acoustic (95 dBA) and vibration; each alarm has a different sound. Large display shows the measurement result, alarm limits, battery status, PEAK etc. Logs the last 50 alarms/PEAK automatically. One-button bump test calibration for 24 hours. Pocket and helmet clips included. Water- and dust-proof IP 67. Weight: 112 g. Dimensions: 81 x 51 x 23 mm. 

CE, ATEX: II 2 G EEx ia IIC T4 (from -20 ºC to +50 ºC)