natus Algo 7i - Page 36

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TRANSPORT AND STORAGE CONDITIONS:
Transport temperature
-20 to 60 °C (-4 to 140 °F)
Storage temperature
0 to 40 °C (32 to 104 °F)
Relative air humidity
10 to 90 % non-condensing
Barometric pressure
50 to 106 kPa
OPERATING CONDITIONS:
Temperature
10 to 40 °C (50 to 104 °F)
Relative air humidity
20 to 90 % non-condensing
Barometric pressure
70* to 106 kPa
* In the following cases a transducer recalibration at the point of use is recommended:
Air pressure at point of calibration p
c
Air pressure at point of use p
u
98 to 104 kPa
< 92 kPa
92 to 98 kPa
< p
c
– 6 kPa
<92 kPa
< p
c
– 6 kPa or
> p
c
+ 6 kPa
See also DIN EN 60645-1 5.3 and Soares et al.: “Audiometer: Correction factor for atmospheric pressure”, Inter-
Noise 2016.