Crowcon Tetra User Manual

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

Crowcon Tetra Specifications

General

Operating Temperature	-20°C to +50°C
Type	Portable Gas Detector
Gases Detected	Oxygen, Carbon Monoxide, Hydrogen Sulfide
Display	LCD
Ingress Protection	IP65
Sensor Types	Electrochemical