Key facts
- Brand
- testo
- Model
- 480
- Category
- Other Electronics
- Industry
- Industrial
- Documents
- 2
- Languages
- EN · ZH
- Last added
- 2026-10-28
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testo 480 Climate Measuring Instrument Instruction Manual
This document serves as the instruction manual for the testo 480, a handheld measuring instrument designed for evaluating climate-related parameters such as temperature, humidity, flow velocity, pressure, CO2, and lux. It is intended for use by qualified expert personnel in workplace evaluations and ventilation system assessments. The manual provides comprehensive guidance on safety precautions, environmental protection, and proper handling of the device and its rechargeable batteries.
The guide details the technical specifications of the instrument, including its measurement ranges, accuracy, and connectivity options like Mini USB and SD card support. It offers step-by-step instructions for commissioning, navigating the menu system, performing various measurements (including turbulence and pitot tube methods), and utilizing specific features like the Explorer menu and measurement programs. Additionally, it covers maintenance procedures such as battery care, humidity adjustment, and firmware updates, along with a list of compatible accessories and spare parts.
testo 480 specifications
| Measurement parameters | Temperature, Humidity, Flow velocity, Pressure, CO2, Lux |
|---|---|
| Internal memory capacity | 1.8 GB (approx. 60,000,000 measuring values) |
| Rechargeable battery life | Approx. 17 h |
| Operating temperature | 0 to +40 °C |
| Dimensions | 81 mm x 235 mm x 39 mm |
| Weight | Approx. 435 g |
| Warranty period | 2 years |
Source: testo 480 Climate Measuring Instrument Instruction Manual
All testo 480 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What causes the instrument to flash ++++- instead of the measurement display?
This indicates that the rechargeable battery is low. You should switch to mains operation.
From: testo 480 Climate Measuring Instrument Instruction Manual
What should be done if the instrument no longer responds when a button is pressed?
An internal error has occurred. Hold down the button for over 10 seconds to switch the instrument off, then switch it on again.
From: testo 480 Climate Measuring Instrument Instruction Manual
What should I do if the battery indicator flashes?
Switch to power operation mode.
How can I remove write protection from the SD card?
Cancel the write protection using the small slider on the SD card.