TDJ834 USB 2.2" LCD Digital Sound Level Meter - White (1 x 6F22)

- Model: TDJ834

- Quantity: 1

- Color: White

- Material: ABS

- Calibration sound source: 94dB at 1KHz

- Measurement range: 30~130dB, 35~130dBC

- Accuracy: +/- 1.5dB (reference sound pressure standard, 94dB at 1KHz)

- Frequency response: 31.5Hz~8.5KHz

- Resolution: 0.1dB

- Measuring level: 30~80, 40~90, 50~100, 60~110, 70~120, 80~130, 30~130(dB)

- Dynamic range: 50dB/100dB

- Overload indication: use the symbol OVER and UNDER for indication

- Frequency weighting characteristic: A and C

- Digital display: 4 digits

- Analogy bar graph: 1dB/1bar graph

- Sampling rate: 20 times / second

- AC signal output: 0.707Vrms/full bar graph, output impedance is about 600ohm

- DC signal output: 10mV/dB, output impedance is about 100ohm

- Dynamic characteristic: Fast (high speed) / Slow (low speed)

- Calendar accuracy: +/- 30 seconds / day

- Data storage quantity: 43690 (special user may expand to 131070)

- Microphone: 1/2 inch polarization capacitance microphone

- Operating voltage: 6F22 9V

- Battery life: 20H continuous use

- Display: 2.2" LCD

- Come with USB cable to connect to computer

- Packing list:

- 1 x Sound level meter

- 1 x USB cable (length: 80cm)

- 1 x Chinese user manual 

- 1 x English user manual

- 1 x CD

- 1 x 6F22 battery

- 1 x Case

Dimensions: 9.72 in x 2.76 in x 1.18 in (24.7 cm x 7.0 cm x 3.0 cm)

Weight: 7.65 oz (217 g)