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General| Type | Multifunction measuring instrument |
|---|---|
| Temperature - NTC | -20 to +70 °C |
| Temperature - NTC Resolution | 0.1 °C |
| Temperature - Thermocouple Type K Resolution | 0.1 °C |
| Absolute pressure Accuracy | ±3 hPa |
| Absolute pressure Resolution | 0.1 hPa |
| Relative humidity | 0 to 100 %RH |
| Relative humidity Resolution | 0.1 %RH |
| CO2 | 0 to 10000 ppm |
| CO2 Resolution | 1 ppm |
| Air Velocity Range | 0 to 20 m/s |
| Measuring rate | 1 s |
| Operating temperature | -20 to +50 °C |
| Storage temperature | -30 to +70 °C |
| Dimensions | 220 x 74 x 46 mm |
| Protection class | IP40 |
| Measurement Parameters | Temperature, humidity, CO2, air velocity, light intensity |
| Temperature - NTC Accuracy | ±0.2 °C |
| Relative humidity Accuracy | ±2 %RH |
| Light Intensity Range | 0 to 100000 lux |
| Battery type | Alkaline battery |
| Interface | USB |
| Display | Graphical LCD with backlight |
| Battery life | Approx. 200 hours (without backlight) |
Details device parameters like sensor type, measurement ranges, accuracy, resolution, battery life, and operating/storage temperatures.
Specifies the system accuracy of the testo 435-2 when used with immersion/penetration probes.
Essential safety guidelines to read before first use, including warnings about live parts and measurement ranges.
Details the IP68 rating, achieved when used with TopSafe and plugged-in Testo probes for enhanced protection.
Guide to initial setup, including inserting the battery, plugging in the probe, and switching on the device.
Procedure for adjusting automatic switch-off, selecting measurement units (°C/°F), and setting date/time.
Instructions for replacing the battery when indicated by the 'BAT' symbol, ensuring proper polarity.
Details the warranty period for the testo 435-2 measuring instrument and its probes.
