• 94dB And 114dB Sound Calibrator At 1KHz
• Accurate And Simple To Use
• Fits 1inch And 1/2inch Microphones
• Low Battery Indicator
• IEC 60942(2003) Class 2, Ans1.40-1984
Output Frequency: 1000Hz ±2%
Total Harmonic Distortion: < 4%
Reference Condition:
Temperature 23℃(73℉)
Static press 103hpa
Relative humidity 50%
Accuracy of sound pressure level:
Understated reference environment conditions ±0.5dB
Battery test:
Operate: Green LED indicator
Low battery: Red LED indicator
Battery: 9V battery
Dimensions: 113x63x44 mm
Weight: Approx.170g.