testo 440 air velocity and iaq measuring instrument (copy)

Testo 400 Set (℃/RH/dP/velocity/lux/CO2/DAQ)

Temperature – NTC
Measuring range -40 to +150 °C
Accuracy
±0.5 % of mv ±1 Digit (Remaining Range)
±0.4 °C ±1 Digit (+75 to +99.9 °C)
±0.2 °C ±1 Digit (-25 to +74.9 °C)
±0.4 °C ±1 Digit (-40 to -25.1 °C)
Resolution 0.1 °C
Temperature – TC Type K (NiCr-Ni)
Measuring range -200 to +1370 °C
Accuracy
±(0.3 °C + 0.1 % of mv) ±1 Digit
Resolution 0.1 °C
Differential pressure (internal sensor) – Piezoresistive
Measuring range 0 to +200 hPa
Accuracy
±(0.1 hPa + 1.5 % of mv) ±1 Digit (25.001 to 200 hPa)
±(0.3 Pa + 1 % of mv) ±1 Digit (0 to 25 hPa)
Resolution 0.001 hPa
Absolute Pressure (internal sensor and external probe)
Measuring range 700 to 1100 hPa
Accuracy ±3 hPa
Resolution 0.1 hPa
General technical data
Weight 510 g (instrument)
Dimensions
210 x 95 x 39 mm ((LxWxH))
Operating temperature -5 to +45 °C
Product-/housing material Plastic
Protection class IP40
Connectable probes
4 x digital Bluetooth® probe or testo Smart Probe; 2 x digital probe with fixed cable or temperature probe NTC with fixed cable (via Testo Universal Connector – TUC); 2 x temperature probe TC type K with fixed cable
Product colour black/orange
Camera image size
Main camera: 8.0 MP; Front camera: 5.0 MP
Battery life
approx. 10 hrs continuous operation
Display type
5.0″ touch display, HD 1280*720 pixels, IPS (160 k)
Power supply
Rechargeable li-ion battery (5550 mAh)
Interface Bluetooth®; USB; WLAN
Memory
2 GB; 1,000,000 measuring values
Storage temperature -20 to +60 °C

As an expert in the field of air conditioning and ventilation, you will find the testo 400 universal IAQ measuring instrument ideal. The IAQ measuring instrument with a built-in measurement assistant provides optimum support for carrying out air flow and comfort level measurements in accordance with the standards, as well as for adjusting and inspecting air conditioning and ventilation systems

Key Features:

  • Measure all IAQ-related parameters
  • Further analyze them using the testo DataControl PC software
  • HVAC grid measurement as per EN ISO 12599
  • Built-in WLAN and Bluetooth interfaces

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