TESTO 0554 1111 - Technical Data

7 Technical data
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7
Technical data
• Adjustment conditions for flow probes:
Adjustment in free jet Ø 350 mm, reference pressure 1013 hPa,
based on testo reference Laser Doppler Anemometer (LDA).
• Note for flow probes:
Low flow velocities may result in greater measurement
uncertainties during humidity and temperature measurement!
• Note for humidity probes:
Please do not use the humidity probes in condensing atmospheres.
For continuous use in high-humidity ranges
> 80% RH at ≤ 30°C for > 12 h
> 60% RH at > 30°C for > 12 h
please get in touch with Testo Service or contact us via the Testo
website.
Bluetooth
®
handle for connecting testo 440 probe heads (0554 1111)
Technical data
Feature Value
Storage temperature
-10°C to +50°C
Operating temperature
0 to +50°C
Dimensions 170 mm x 50 mm x 40 mm
Warranty Duration: 2 years
Hot wire probe with Bluetooth
®
, including temperature and humidity sensor
(0635 1571)
Feature Value
Measuring range 0 to +50 m/s
-20 to +70°C
5 to 95% RH
700 to 1100 hPa
Accuracy
(at 22°C, ±1 digit)
±(0.03 m/s + 4% of m.v.) (0 to 20 m/s)
±(0.5 m/s + 5% of m.v.) (20.01 to 30 m/s)
±0.8°C (-20 to 0°C)
±0.5°C (0 to +70°C)
±3 hPa
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