Crowcon Tetra User Manual

Quickstart guide Tetra
Quickstart guide
1. Getting started
Review your Tetra unit
Switching on your unit
Tetra requires little setting up, follow these simple steps to get your unit ready
for use.
1. Ensure the unit is in clean air.
2. Switch on
Press and hold the operator
button until the red LED
flashes.
The operator display screen
will light up and the unit will
begin a warm up sequence.
2
Front plate
Alarm LEDs
Operator
button
Operator LCD
display screen
Belt clip
lever
Side view
Top view
IR comms
window
4s

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