The Calibrator employs solid state integrated circuitry that provides accurate and stable performance.
Sensitivity calibration of microphones.
Suitable for field and laboratory use.
|Sound Pressure Level||94dB and 114dB|
|Accuracy||±0.5 dB||±0.3 dB|
|Frequency||1000±0.01%Hz which allows calibration with A,B,C,D or linear frequency weighting|
|Standards||Conforms to IEC 942 class 2||Conforms to IEC 942 class 1|
|Application||Calibration of 1’’ and 1/2’’ microphones|
|Power Source||2x1.5V AAA (UM-4) Battery|
|Temperature Operating||-10 to +50°C|
|Temperature Storage||-40 to +50°C(with batteries removed)|
|Temperature Coefficient||0 to 0.01 dB/°C|
|Altitude Effects||Approximately 0.1dB decrease for each 2000 feet increase in altitude from sea level to 12,000 feet elevation,or comparable atmospheric pressure change(approximately every 50 mm of Hg decrease).|
|Weight||About 200 g|
sound level meter
|Standard Accessories||Main Unit|