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General| Measurement Parameters | Air velocity, temperature, humidity, CO2, differential pressure |
|---|---|
| Data Storage | Internal memory for up to 7500 measurement protocols |
| Weight | 250 g (without batteries and probes) |
| Operating Temperature | -20 to +50 °C |
| Storage Temperature | -20 to +70 °C |
| Battery Life | Up to 12 hours |
| Protection Class | IP40 |
| Temperature Range | -20 to +70 °C |
| Humidity Range | 0 to 100 %RH |
| CO2 Range | 0 to 10, 000 ppm |
| Display | Graphical LCD with backlight |
| Connectivity | USB |
| Power Supply | 4 x AA batteries or USB interface |
| Battery Type | AA |
| Air Velocity Range | 0 to 30 m/s |
| Probe Compatibility | Wide range of probes available (hot wire, vane, humidity, temperature, pressure, CO2, etc.) |
Provides overview of the manual, security instructions, and general safety guidelines for proper product use and handling.
Details warning pictograms, precautionary measures, and proper disposal of batteries and electronic equipment.
Identifies the testo 440, its physical parts, display interface, and magnetic holder for component recognition.
Explains power supply options and details the compatibility of various cable, Bluetooth®, NTC, and Smart Probes.
Covers commissioning, switching on/off, and configuring basic device settings like Bluetooth, power options, units, and date/time.
Guides on saving measurement results, printing protocols, and exporting data in CSV format for analysis.
Details on connecting probes and executing various measurement applications such as volume flow, mold indication, and turbulence.
Instructions for replacing batteries, cleaning the instrument exterior and connections, and probe maintenance.
Information on recalibrating probes and the testo 440, and procedures for updating the device's firmware.
Details specifications for temperature (NTC, TE) and pressure measurements, including ranges, accuracies, and resolutions.
Information on probe connection types, Bluetooth range, battery life of connected probes, and weight/dimensions.
Answers to frequently asked questions, troubleshooting measurement issues, and explanations of Bluetooth probe LED status.
Lists available accessories, spare parts for the testo 440, and links to product pages for more information.
Details on product authorizations, wireless module regulations, and country-specific stipulations for use.
Information regarding FCC and IC compliance, warnings, and technical specifications related to radio frequency interference.
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