COURSE TITLE: Operating of Gas Detectors in a Confined Space

UNIT STANDARD:

SHORT DESCRIPTION: The purpose of this course is to teach the learners how to use the gas detectors in a confined space e.g. manholes.

COURSE CONTENTS:

1. Safety first;

2. Crowcon Tetra 3:

• Know your unit;

• Switching on the unit;

• Run mode;

• Display symbol guide;

• Alarm signals;

• Switching off the alarm;

• Switching off the unit;

• Charging the batteries;

• Gas testing;

• Gas test accessory kit;

• How to perform a gas test;

• How to perform a field calibration test;

• Cal/Test

3. MSA Sltair 4X:

• General information;

• Definitions;

• On-screen indicators;

• Battery life indicator;

• Viewing optical displays;

• Monitoring oxygen concentration;

• Monitoring combustible gases;

• Operating the unit;

# Start up sequence;

# Fresh Air Setup (FAS);

# Reset screen controls;

# Bump test;

# Calibrations;

# Options setup;

# Sensor setup;

# Calibration setup;

# Time and date setup;

# Alarm setup.

4. Crowcon Triple Plus+:

• Operation:

# Switch on;

# Display;

# Overrange;

# Cautions;

# Backlight;

# Alarms;

# Status screens/alarm reset;

# Switching off;

# Setting up;

# Battery charging;

# Data logging;

# Maintenance and calibration;

# Changing the battery pack;

# Back-up memory;

5. BX 616 Portable multi gas detector:

• Appearance;

• Indication information;

• Button function;

• Operation instruction;

• Working status checking;

• Alarming;

• Calibration;

• Data upload;

• Charging;