Product Description
Kit for carrying out measurements in ventilation ducts: the testo 440 air velocity and IAQ measuring instrument and the vane probe (Ø 16 mm) are safely stowed away in the case. So you can get down to work straight away!
testo 440 - Air velocity and IAQ measuring instrument
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(Not included package)
Battery life
12 h (typically vane measurement)
Interface
Bluetooth®; USB
Storage temperature
-20 to +50 °C
Vane probe (Ø 16 mm, digital) - wired
Velocity / Volume flow
Measuring range
0.6 to 50 m/s
Accuracy
±(0.2 m/s + 1 % of mv) (0.6 to 40 m/s)
±(0.2 m/s + 2 % of mv) (40.1 to 50 m/s)
Resolution
0.1 m/s
General technical data
Storage temperature
-10 to +70 °C
Weight
150 g
Dimensions
330 x 16 x 16 mm
Operating temperature
-10 to +70 °C
Cable length
1.7 m
Length telescope
850 mm
Probe head diameter
16 mm
Diameter telescope
12 mm
Product colour
Black; silver
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
