Galaxy Audio CHECK MATE CM-200 - Manual (Page 5)

3. Features
Conforms to ANSI S1.40-1984 and IEC 60942-2003
Class 2.
Calibration levels of 94dB and 114dB.
Fits the 1-inch and 1/2-inch diameter microphones.
4. Specifications
Output sound pressure levels:
94dB and 114dB re 20 uPa under reference conditions.
Output frequency: 1000Hz +/- 2%
Reference conditions:
Temperature: 74ºF (23ºC)
Relative humidity: 50%
Atmospheric pressure: 1013hpa
Influence of ambient conditions:
Temperature coefficient: 0.005dB/ºC
Humidity coefficient: 0.005dB/%RH
Total Harmonic Distortion (THD):
<3%
Accuracy of sound pressure level: +/- 0.5dB
Power:
one 9V battery 006P or IEC 6F22 or NEDA
1604.
Battery life:
approx.40 hours.(Alkaline Battery)
Battery test:
Internal circuitry continuously checks the condition of
battery.
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