Crowcon Tetra MO7237, User Manual, Page: 3 / 36

Tetra
Personal Multigas Monitor
Contents
Unpacking .................................................1
Quickstart guide ........................................2
I. Introduction ............................................6
II. Operation ..............................................8
III. Batteries ..............................................12
IV. Alarm indications ................................14
V. Fixing accessories .................................15
VI. Flow sampling ....................................16
VII. Maintenance and calibration ..............21
VIII. PC interface and software .................23
IX. i-module replacement .........................24
X. Specification ........................................26
XI. Accessories and spare parts ................27
XII. Troubleshooting guide .......................29
Appendix: Limitations of sensors ..............30