Model Number: AMF007 Brand Name: TLead Key Specifications/Special Features: This unit was designed according to following standards:A. International electrician committee standard: IEC PUB 651 TYPE2B. US national standard: ANSI S1.4 TYPE2Measuring range: 30~130dBA; 35~130dBC

Accuracy: ±1.5dB

Digit and resolution: 5 digits and 0.1dB

Frequency response: 31.5Hz~8.5KHz

Measuring level: 30~130, 40~90, 50~100, 60~110, 80~130

Frequency weighting characteristic: A and C

Time weighting: FAST/SLOW

Sampling rate: 2 times/second

Microphone: 1/2 inch polarization capacitance microphone

AC/DC output

Max reading

Overload indication: OVER/UNDER

Low battery indication

Packing method: PP box + gift box

Power: 9V battery

1pc or DC 6V 100mA adapter

Dimension: 207*70*29mm

Weight: 178g (including batteries)