Need help?Do you have a question about the Crowcon Tetra 3 and is the answer not in the manual?
Instructions for operating in hazardous environments, including area classifications.
Defines Zone 1 and Zone 2 areas for flammable gas presence.
Overview of the Tetra 3 unit and initial setup steps.
Step-by-step instructions for powering on the Tetra 3 monitor.
Details how the Tetra 3 alerts users to gas concentration thresholds being exceeded.
Step-by-step guide to starting the Tetra 3 unit and its warm-up.
Details normal operation display and confidence signals.
Describes how Time Weighted Average alarms are displayed and handled.
Details the Lithium-ion battery and its operational time.
Step-by-step procedure for safely charging the Tetra 3 unit's battery.
Describes TWA alarm display and how it cannot be cleared.
Step-by-step instructions for conducting a gas test on the unit.
Detailed procedure for calibrating sensors using calibration gas.
Lists common issues and solutions for gas testing and calibration.
Discusses auto-zero, monthly gas tests, and 6-monthly calibration.
Explains calibration using PC software versus the Gas Test Accessory Kit.
Guide for inserting new sensors and reassembling the unit.
Table detailing common error messages and recommended solutions.
Instructions for operating in hazardous environments, including area classifications.
Defines Zone 1 and Zone 2 areas for flammable gas presence.
Overview of the Tetra 3 unit and initial setup steps.
Step-by-step instructions for powering on the Tetra 3 monitor.
Details how the Tetra 3 alerts users to gas concentration thresholds being exceeded.
Step-by-step guide to starting the Tetra 3 unit and its warm-up.
Details normal operation display and confidence signals.
Describes how Time Weighted Average alarms are displayed and handled.
Details the Lithium-ion battery and its operational time.
Step-by-step procedure for safely charging the Tetra 3 unit's battery.
Describes TWA alarm display and how it cannot be cleared.
Step-by-step instructions for conducting a gas test on the unit.
Detailed procedure for calibrating sensors using calibration gas.
Lists common issues and solutions for gas testing and calibration.
Discusses auto-zero, monthly gas tests, and 6-monthly calibration.
Explains calibration using PC software versus the Gas Test Accessory Kit.
Guide for inserting new sensors and reassembling the unit.
Table detailing common error messages and recommended solutions.
General| Display | LCD |
|---|---|
| Operating Temperature | -20°C to +50°C |
| Data Logging | Yes |
| Gases Detected | Methane, Carbon Monoxide, Hydrogen Sulfide, Oxygen |
| Sensor Type | Electrochemical |
| Measurement Range | 0-100 ppm H2S |
| Alarms | Visual, audible, and vibrating alarms |
To Next Page
