Product Description

Products in set

• 

  testo 440 - Air velocity and IAQ measuring instrument

  Order-Nr. 0560 4401

  • Intuitive: clearly structured measurement menus for volume flow, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂

  • Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)

• 

  Humidity/temperature probe (digital) - with Bluetooth^®

  Order-Nr. 0636 9731

  • Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of the relative humidity and air temperature in indoor areas

  • Precise: calculation of wet bulb temperature, dew point and absolute humidity

Delivery Scope

•  testo 440 - Air velocity and IAQ measuring instrument

  Order-Nr.  0560 4401

  Temperature - NTC
  Measuring range	-40 to +150 °C
  Accuracy	±0.4 °C (-40 to -25.1 °C) ±0.3 °C (-25 to +74.9 °C) ±0.4 °C (+75 to +99.9 °C) ±0.5 % of mv (Remaining Range)
  Resolution	0.1 °C

   

  Temperature - TC Type K (NiCr-Ni)
  Measuring range	-200 to +1370 °C
  Accuracy	±(0.3 °C + 0.3 % of mv)
  Resolution	0.1 °C

   

  General technical data
  Weight	250 g
  Dimensions	154 x 65 x 32 mm
  Operating temperature	-20 to +50 °C
  Product colour	black/orange
  Connectable probes	1 x digital probe with cable or 1 x Temperature NTC TUC, 1 x digital Bluetooth probe or testo Smart Probe, 1 x Temperature TC Type K
  Battery type	3 AA mignon 1.5 V
  Battery life	12 h (typically vane measurement)
  Interface	Bluetooth®; USB
  Storage temperature	-20 to +50 °C

  ---

   

• Humidity/temperature probe (digital) - with Bluetooth^®

  Order-Nr.  0636 9731

  Temperature - NTC
  Measuring range	-20 to +70 °C
  Accuracy	±0.5 °C
  Resolution	0.1 °C

   

  Humidity - Capacitive
  Measuring range	0 to 100 %RH
  Accuracy	±2 %RH (5 to 90 %RH) ±0.03 %RH/K (k=1)
  Resolution	0.1 %RH

  Please see the additional accuracy information for humidity in the instruction manual.

  General technical data
  Storage temperature	-20 to +60 °C
  Weight	165 g
  Dimensions	290 x 50 x 40 mm
  Operating temperature	-5 to +50 °C
  Length probe shaft	140 mm
  Diameter probe shaft	12 mm
  Product colour	black/orange
  Battery type	4 x type AA batteries
  Battery life	140 h
  Data transfer	Bluetooth®