Model Number: AMF003-#4421 Brand Name: TLead Key Specifications/Special Features: This unit was designed according to following standards:International electrician committee standard: IEC PUB 651 TYPE2The US national standard: ANSI S1.4 TYPE2Measuring range:

30-130dBA

35-130dBC

Accuracy: ±1.5dB

Digit and resolution: 5 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/s

Microphone: 1/2-inch polarization capacitance microphone

AC/DC output

Maximum reading

Overload indication: over/under

Low battery indication

Packing method: PP box + gift box

Power: 1.5V AA* 4pcs or DC 6V, 100mA adapter

Dimensions: 256*70*35mm

Weight: 308g (including batteries)