TESTO 0554 0452, Инструкция по эксплуатации

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17
5. Technical data
Feature Values
Sound pressure level 94dB/114dB
in reference conditions,
switchable
Accuracy:
Sound pressure level
±0.5dB
Frequency 1000Hz ±2%
Reference conditions
- Temperature
+23°C (74°F)
- Relative humidity 50%
- Air pressure 1013hPa
Operating conditions
- Temperature
0 to +40°C (32 to 140°F)
- Relative humidity 10 to 90%RH
- Air pressure 650 to 1080hPa
(to 2000m amsl)
Dependency coefficients
- Pressure dependency
0.005dB/hPa
- Temperature dependency 0.005dB/°C
- Humidity dependency 0.005dB/%RH
Distortion factor <3%
Storage and transport
conditions
- Temperature
-10 to 50°C (14 to 122°F)
- Relative humidity 0 to 70%RH
Battery 9V block (6F22)
Battery life Approx. 40 hours
en