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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 |
Important safety warnings and precautions for operating and servicing the equipment.
Instructions for unpacking the Tetra unit and verifying all accessories are present.
Information on checking the battery status and available battery options.
Initial steps for setting up the Tetra unit, including reviewing its components.
Simple steps for turning on the Tetra unit and initiating its warm-up sequence.
Details the warm-up sequence of the Tetra unit, including alarm tests and display sequences.
Explains the auto-zero function and how to confirm it via the operator button.
Describes the normal gas monitoring display, confidence signals, and screen icons.
Details how the Tetra unit activates alarm signals like LEDs, sounder, and vibrator.
Procedure for safely switching off the Tetra unit using the operator button.
Recommended conditions for storing the Tetra unit to optimize performance and lifespan.
Explains the plug-and-play i-module sensor technology and its benefits for configuration.
Details the robust housing and design features contributing to the unit's durability and reliability.
Discusses the internal software design, integrity, and safety standards compliance.
Step-by-step guide for powering on the Tetra unit and checking battery status.
Explains auto-zero confirmation and the procedure for switching off the unit.
Describes the normal gas monitoring display, confidence signals, and screen icons.
Explains key display symbols like battery status and internal pump operation.
Explains TWA alarms and modes for viewing peak and time-weighted average gas readings.
Information on performing peak tests and zeroing the Tetra instrument.
Details the event logging capabilities and types of events recorded by the Tetra unit.
Information on rechargeable Li-ion batteries, including recharge time and operating hours.
Step-by-step instructions for charging the rechargeable batteries safely.
Information on non-rechargeable alkaline batteries and their operating time.
Instructions for replacing the non-rechargeable battery pack in a safe area.
Explains how alarm levels, types, and latching can be configured for sensors.
Details alarm muting options and sounder tone selection for different conditions.
How the Tetra unit indicates a Time Weighted Average (TWA) alarm.
Description of the integrated belt clip and universal harness plate.
Instructions for wearing the Tetra unit using chest or shoulder straps.
Steps for fitting the flow adaptor plate for manual sampling.
How the Tetra unit's pump operates and handles blockages.
Guidance on using the manual aspirator kit for diffusion sampling.
Introduction to the bump test accessory kit for gas testing.
Step-by-step guide on how to perform a gas test (bump test) on the Tetra unit.
Detailed instructions for performing a field calibration test on the Tetra unit.
Discusses issues arising from calibration or test selections.
Table of symptoms, causes, and actions for gas test and calibration problems.
General maintenance tips for keeping the Tetra unit clean and filter replacement.
Information on auto-zero function and recommendations for monthly gas tests and calibration.
Describes methods for calibrating the Tetra unit using PC software or kits.
Steps for installing PC software and connecting the Tetra unit via infrared.
Steps for removing the front cover grill and accessing the unit's interior.
Step-by-step guide for safely removing an i-module from the Tetra unit.
Instructions for installing a new i-module and ensuring proper seating.
Steps for reassembling the Tetra unit after i-module replacement.
Detailed list of general accessories including part numbers and descriptions.
List of external power supplies for charging the Tetra unit.
List of available i-module sensors with their specifications.
Accessories related to sampling, such as probes and hoses.
Accessories for carrying and wearing the Tetra unit, like cases and straps.
Accessories for PC communication, like adaptors and software.
List of consumable spare parts for the Tetra unit.
Troubleshooting steps for instrument power and pump operational issues.
Troubleshooting for confidence beeps, inaccurate readings, and auto-zero failures.
Troubleshooting for calibration expiry, flow blockages, and display clarity.
Details the limitations and sensitivities of the gas sensors used in the Tetra.
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