Sound meter: Measurement
range: 30~130dBA with data logger.
Sound calibrator: Output
Sound Level: 94db & 114db.;
Sound meter:
Accuracy: + 1.5 dB,
Frequency weighting: A/C.
Sound calibrator:
Accuracy: ± 0.3 db (20°C, 760mm Hg), Frequency: 1000± 0.1 %Hz (allows calibration with A, B, C or D weighting networks or linear).; Bar Graph DisplayThe LCD digital display can shows a 3-digit decibel level values, Auto Ranging Bar graph level, time and date.; Wide ApplicationsThe decibel meter is handheld design and easy to carry, widely use for office, classroom, noisy neighbour, environmental measurement, etc.