30-130dB USB Digital Sound Pressure Tester Level Meter Decibel Noise Measuremen

Features:

Conformed to the IEC651 Type2 and ANSIS1.4 Type 2 Standards

Accuracy: ±1.5dB

Measuring range: 30-130dBA or 35-130dBC

Frequency weighting: A and C

Time weighting: Fast & slow

AC and output for frequency analyzer level recorder, FFT analyzer, graphic, graphic recorder etc.

The meter can be connected PC with USB

Large LCD screen with digits reading

Portable, easy-to-use and handy instrument

Operation Environmental condition:

Below 2000 meter in height

Operating condition: 0℃~40℃, 10~80%RH

Use dry cloth to clean the unit, but never with any solvent.





























Specifications:

Frequency range:31.5Hz~8.5KHz

Level range: 30~80dB, 40~90dB, 50~100dB, 60~110dB, 70~120dB, 80~130dB, 30~130dB

Linearity weighting: 50dB

Frequency weighting: A/C

Digital display: 4 digits

Resolution: 0.1dB

Sample rate: 2times/second

Bar graph: 50dB scale 1dB step for monitoring current sound pressure level display Sample rate: 20 times/second

Over indication: OVER/UNDER

AC output: 0.707Vrms at FS output impedance approx 600ohm

output: 10mV/dB, output impedance approx 100ohm

Time weight: FAST/SLOW

Microphone: ? inch electret condenser microphone

hold: MAX

Power supply: 1.5V AA alkaline battery (the battery is not included) or USB 5V 100mA

Power life: About 30 hours(alkaline battery)

Self calibration: 4S

Operating condition: 0℃~40℃, 10~80%RH

Storage condition: -10~50℃, 10~80%RH

Size: Approx. 24 x 7 x 3.5cm/9.45 x 2.76 x 1.38inch



Caution:

1.Do not operation the meter at high Humidity environment.

2.Please take out battery from the meter if not in use for long time.

3.Once using the meter in the presence of wind, it is a must to mount the sponge ball to not pick up undesired signals.



Package Included:

1x Professional Sound Level Meter

1x Sponge Ball

1x USB Cable

1x English Instruction Manual