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General| Protection Class | IP40 |
|---|---|
| Humidity Measurement Range | 0 to 100 %RH |
| Memory | Internal memory for data storage |
| Connectivity | USB, Bluetooth |
| Power Supply | Rechargeable battery |
| Storage Temperature | -20 to 60 °C |
| Battery Life | Up to 10 hours |
| Measurement Parameters | CO, CO2, O2, NO, NO2, SO2, H2S, Temperature, Humidity, Differential Pressure, Flow |
| O2 Measurement Range | 0 to 21 vol.% |
| SO2 Measurement Range | 0 to 5000 ppm |
Information on safe handling and disposal procedures for the instrument and accessories.
Crucial safety guidelines related to specific features, like integrated magnets.
Identifies components on the front and explains probe connection types on the testo 400.
Lists various types of compatible probes, including digital, Bluetooth®, NTC, Pt100, and Smart Probes.
Instructions for powering, charging, and initial setup wizard for the testo 400.
Explains touchscreen gestures, menu navigation, and selecting measurement modes.
Details the main elements of the display, including the main menu, status bar, and readings.
Covers probe needs, data handling, and choosing between punctual/continuous measurement modes.
Introduces the pre-installed measurement programs like Volume Flow, Comfort Level, and Draught Rate.
Details performing Volume Flow, Comfort Level, Discomfort, Temperature, and Pressure measurements.
Managing customer/site data, storing, editing, and exporting measurements and reports.
Handling probe information, calibration, adjustment, damping, and humidity calibration.
Configuring basic settings, email, WLAN, and performing instrument software updates.
Using the IAQ data logger, its connections, measurements, and data reading procedures.
Information on installing, launching, connecting the testo 400, and managing data via PC software.
Troubleshooting common errors and information on contacting Testo customer support.
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