II 1G Ex ia IIC T4| Five Sensor | Type A | LEL / % Vol / O2 / CO / H2S |
| Four Sensor | Type B | LEL / O2 / H2S / CO |
| Three Sensor | Type C Type D Type E |
LEL / O2 / H2S LEL / O2 / CO LEL / % Vol / O2 |
| Two sensor | Type F | LEL / O2 |
Single module calibration station for the GX-2012 and GX-2012GT portable gas monitors that can calibrate, bump test, charge, and archive data.



