Product Description

Products in set

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  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)

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  Lux probe (digital) - for measuring illuminance, wired

  Order-Nr. 0635 0551

  • Intuitive: clearly structured measurement menu for long-term measurement and determination of illuminance according to the V-lambda curve (suitable for all common light sources)

  • Precise: standard-compliant accuracy according to DIN EN 13032-1 and class C according to DIN 5032-7

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

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• Lux probe (digital) - for measuring illuminance, wired

  Order-Nr.  0635 0551

  Light
  Measuring range	0 to 100000 Lux 0 to 9300 ftc
  Accuracy	DIN 13032-1 Appendix B F1 = 6 % = V(Lambda) adjustment F2 = 5 % = cos-true evaluation Class C according to DIN 5032-7
  Resolution	0.1 Lux (< 10000 ) 1 Lux (> 10000 )

   

  General technical data
  Storage temperature	-20 to +50 °C
  Weight	110 g
  Dimensions	110 x 55 x 22 mm
  Operating temperature	0 to +50 °C
  Cable length	1.4 m
  Product colour	Black