Microphone: Φ0.5 inch (12.7 mm) test condenser microphone
Frequency Weighting: A, C, Linear
Range: 25dB - 130dB (A)
Range Control: Manual, 3 Gears, Linear Range > 60dB
Test Range
30 dB - 90 dB (dynamic scale display 10 - 100).
50 dB - 110 dB (dynamic scale display 30 - 120).
70dB - 130dB (dynamic scale display 50 - 140).
Accuracy: IEC61672 standard, Class 2 compliant
Time Weighting: Fast (F), Slow (S)
Display: Large Screen Dynamic LCD, Instant Noise Level, Analog Ammeter Display
Calibration: Uses class 1 noise level calibrator
Power Supply: 4 x 1.5V AAA Size (UM-4) Battery (Battery not included)
Weight: 6.3 oz (185 g) (not including batteries).
Dimensions: 227x63x26 mm
Operating conditions: Temperature: 14 - 122°F (-10 - 50°C).