Testo 440 multi-parameter instrument with CO2 measuring probe 0563 4405

€931.70

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Wireless (Bluetooth connection up to 20 m) multi-parameter air quality, temperature, humidity, air flow, lighting meter: convenient menu for long-term measurements, parallel measurement of CO₂, CO concentration, air flow, relative humidity, temperature and lighting (one common CO₂, air probe for measuring humidity, temperature and absolute pressure, other measuring probes must be purchased separately if necessary).

- Can be supplemented with probes of many different parameters.
- Built-in memory for saving measurement data and USB connection for transferring data (measurement protocols).
- Graphical display, showing measurements of 3 different parameters at the same time (it is possible to connect 3 probes at the same time - Bluetooth probe, cable probe and K-type temperature probe).

CO₂ measurement range: 0...10000ppm
CO₂ measurement accuracy in the range 0...5000ppm: ±(50ppm + 3% of the measured value)
CO₂ measurement accuracy in the range 5001...10000ppm: ±(100ppm + 5% of the measured value)
CO₂ measurement resolution: 1ppm

Measuring range for air humidity: 5...95%rM
Accuracy for air humidity in the range 10...35%rM and 65...90%rM: ±3%rM
Accuracy for air humidity in the range 35...65%rM: ±2%rM
Accuracy for air humidity in the rest of the range: ±5%rM
Resolution for air humidity: 0.1%rM

Measuring range for temperature: 0...+50°C
Temperature accuracy: ±0.5°C
Resolution for temperature: 0.1°C

Measuring range for absolute pressure: 700...1100 hPa
Accuracy for absolute pressure: ±3.0 hPa
Resolution for absolute pressure: 0.1 hPa

Other measurement parameters depending on the selected probe. The maximum possible temperature measurement parameters are shown below:
Measuring range for temperature (NTC probe): -40...+150°C
Accuracy for temperature (for NTC probe) in the range -40...-25.1°C and +75...+99.9°C: ±0.4°C
Accuracy for temperature (for NTC probe) in the range -25...+74.9°C: ±0.3°C
Accuracy for temperature (for NTC probe) in the rest of the range: ±0.5% of the measured value
Measuring range for temperature (for K-type probe): -200...+1370°C
Accuracy for temperature (for K-type probe): ±(0.3°C + 0.3% of measured value)
Resolution for temperature: 0.1°C

Operating temperature: -20...+50°C (for measuring device) and -5...+50°C (for probe)
Storage temperature: -20...+50°C (for measuring device) and -20...+60°C (for probe)
Connection for probes: 1x digital probe with wire or 1x temperature (NTC) probe, 1x Bluetooth probe or Testo Smart Probe probe and 1x K-type temperature probe
Batteries (included): 3xAA coin batteries (for meter) and 4xAA coin batteries (for probe)
Battery life: 12 h (for meter using vane anemometer probe) and 21.5 h (for probe)
Dimensions: 154×65×32 mm (meter) and 295×50×40 mm (probe)
Probe sensor length: 130 mm
Probe sensor diameter: 30 mm
Weight: 250g (meter) and 195g (probe)

The set includes a USB data cable, a table stand for the probe and a carrying bag.