TESTO 417 - Technical Data for testo 417

10 Technical data for testo 417
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10
Technical data for testo 417
Adjustment conditions for flow probes:
Adjustment in free jet Ø 350 mm, reference pressure 1013 hPa, based
on testo reference Laser Doppler Anemometer (LDA).
Feature Value
Measurement parameters
m/s, fpm
°C, °F
m³/h, cfm, l/s
Accuracy
±(0.1 m/s + 1.5% of measuring value)
±0.5 °C
Resolution
0.01 m/s
0.1 m³/h (0 to +99.9 m³/h)
1 m³/h (other ranges)
Measuring range
0.3 to 20 m/s
0 to +50 °C
Operating temperature
-20 to +50 °C
Storage temperature
-20 to +50 °C
Operating humidity
0 to 80 %RH / For indoor use only
IP class
IP10
Level of contamination
PD2
Max. operating altitude
≤ 2000 m above sea level
Nominal output
2 W @ 4,5 V DC
Battery type
3 x 1.5 V AA battery
(included in the scope of delivery)
Battery life
>50 h
Dimensions
236 x 108 x 45 mm
Weight
243 g
11
Tips and assistance
11.1
Questions and answers
Question Possible cause Possible solution
is displayed
(top right on the
display)
Instrument battery is
almost spent
Replace instrument battery
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