Key facts
- Brand
- testo
- Model
- 410-2
- Category
- Air Motors
- Industry
- Industrial
- Documents
- 4
- Languages
- DE · ZH · EN
- Last added
- 2026-11-01
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testo 410-2 Flow/Humidity/Temperature Measurement Device User Manual
This manual provides instructions for operating the testo 410-2, a flow/humidity/temperature measuring device. It covers safety precautions, setup, measurement modes, display options, and battery replacement. The device is designed for measuring air speed at ventilation outlets and analyzing climatic conditions.
Maintenance includes cleaning the housing with a damp cloth and replacing AAA batteries when the display indicates low power. Technical specifications include measurement ranges, accuracy, and environmental conditions for operation and storage. This manual is written in German.
testo 410-2 specifications
| Sensors | Plastic impeller, Testo humidity sensor, NTC temperature sensor |
|---|---|
| Measurement Parameters | m/s, km/h, fpm, mph, kts, Beaufort, °C, °F, wind chill, %rH, wet bulb, td |
| Measuring Ranges | 0.4...20 m/s, 80...4000 fpm, -10...50 °C, 14...122 °F, 0...100 %rH |
| Resolutions | 0.1 m/s, 1 fpm, 0.1 °C, 0.1 °F, 0.1 %rH |
| Accuracy | ±(0.2 m/s +2 % of reading), ±(40 fpm +2 % of reading), ±0.5 °C, ±0.9 °F, ±2.5 %rH (5...95%rH) |
| Measuring Rate | 0.5 s for flow, 1s for humidity |
| Protection Class | IP10 |
| Battery Type | 2 x 1.5V AAA |
| Battery Life | 60 h (without display light) |
| Dimensions | 133x46x25mm (incl. protection cap) |
| Weight | 110g (incl. batteries and protection cap) |
Source: testo 410-2 Flow/Humidity/Temperature Measurement Device User Manual
All testo 410-2 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 are the measurement ranges for the testo 410-2?
The measurement ranges are 0.4...20 m/s for flow, 80...4000 fpm, -10...50 °C for temperature, 14...122 °F, and 0...100 %rH for humidity.
From: testo 410-2 Flow/Humidity/Temperature Measurement Device User Manual
How do I replace the batteries?
Open the battery compartment by sliding the cover down, remove the old batteries, insert two new 1.5V AAA batteries with correct polarity, and close the compartment.
From: testo 410-2 Flow/Humidity/Temperature Measurement Device User Manual
What should be done if the residual capacity is less than 10 minutes?
Replace the batteries.
From: testo 410-2 Flow/Humidity/Temp Measuring Instrument User Manual
What is the testo 410-2 used for?
It is a flow/humidity/temperature measuring instrument normally used to measure air speed at ventilation outlets.
From: testo 410-2 Flow/Humidity/Temp Measuring Instrument User Manual
How do I change the units of measurement?
Press and hold a button to enter configuration mode, select the desired function (temperature, humidity, or speed unit), and confirm with another press.
What should I do if the display shows 'Hi' or 'Lo'?
This indicates the reading is out of range; please measure within the specified measurement range.