Technical Data - testo 815 Bedienungsanleitung

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7. Technical Data

7. Technical Data
Feature
Sensor:
Overall measurement range:
Level ranges:
Frequency range:
Frequency weighting:
Reference frequency:
Backup impedance of microphone:
Absolute pressure dependency:
Time weighting:
Accuracy:
Display:
Resolution:
Display update:
Battery:
Battery life:
Tripod thread:
Operating temperature:
Operating humidity:
Storage temperature:
Storage humidity:
Housing material:
Absolute pressure dependancy
Altitude in metres above s.l.
0 - 250
>250 - 850
>850 - 1450
>1450 - 2000
Temperature correction value table
Relative humidity: 65 %RH
Reference value sound pressure level: 124 dB
Temperature range with discrepancy <0.5 dB: 10...40 °C
Temperature in °C
-10
50
Values
½ inch electret condenser measurement microphone
32 to 130 dB
32 to 80 dB
50 to 100 dB
80 to130 dB
31.5 Hz to 8 kHz
A/C
1000 Hz
1 kΩ at 1 kHz
-3
-1.6*10 dB/hPa
125 ms (Fast) or
1 s (Slow)
± 1.0 dB (under reference conditions : 94dB at 1kHz)
4 digit LCD display, 13mm high
0.1 dB
0.5 s
9V Block (6F 22)
Approx. 70 hours (alkaline manganese)
¼ inch
0 to +40°C
10 to 90 %RH
-10 to +60°C
10 to 75 %RH
ABS
Pressure p in mbar
1013 - 984
983 - 915
914 - 853
852 - 795
Correction in dB
-0.7
1
Correction in dB
0.0
-0.1
-0.2
-0.3