Features:

1. 100% brand new and high quality

2. This meter has instantaneous sound measure function.

3. The measurement range is 0‑130 dB

4. It has two equivalent weighted sound pressure levels, A and C.

5. Suitable for AC and DC signed output for frequency analyzer level re corder, FFT analyzer, graphic recorder etc.

Specification:

Condition: 100% Brand New

Brand: SMART SENSOR

Model: AS824

Accuracy: ±1.5 dB(under reference conditions)

Frequency range: 31.5 Hz to 8.5KHz

Linearity range: 50dB

Measuring level: 30‑130dBA,35‑130dBC

Frequency weighting: A,C

Digital display: 5 digits

Resolution: 0.1dB

Display: 0.5 secretary

Bar graph: 50 dB scale at 1 dB step for monitoring current sound pressure level display period: 50 mS

Level ranges: 30‑80 dB; 50‑100dB; 60‑110dB; 80‑130dB;

Over indicate over range: Under indicate less than lower limit of the range.

AC output:0.707 Vrms at FS output impendance approx 600Ω

DC output:10 mV/dB output impedance approx 100Ω

Time weighting: Fast/Slow

Microphone: 1/2 inch Electret Condenser microphone

Max: Maximum hold

Power supply: 9V battery(not included) orDC9V 100mA

Self calibration time: 10 sec(every turn on)

Operating Temperature: 0℃ to 40℃

Operating Humidity: 10% to 80% RH

Storage Temperature: ‑10℃ to 60℃

Storage Humidity:10% to 70% RH

Weight: Approx. 664g / 23.4oz

Size: Approx. 224 * 66 * 33mm / 8.8 * 2.6 * 1.3in

Package List:

1 * Digital Sound Level Meter

1 * Power Supply DC 9V Cable

Note: