Jual AZ-8921 RS232 Digital sound Level

Features:
Deluxe super large LCD display w/ affordable price.Meet IEC651, type2 class standardUnique background noise absorberFeatures w/ digital display and analog bargraphProfessional and rigid designAuto/ Manual ranging, 6 measurement ranges in 10 stepsMax holdRecord max/ minFast/ slow response is selectableA/ C weighting is selectableEasy to calibrate by standard calibratorAC/ DC analog outputTripod mountableBacklight function to use in dark area( 8922 only) 

Specification:

Model 8921, 8922

Measure range A weight: 30dB-130dBC weight: 35dB-130dB

Digital display( 6 ranges) 30-80, 40-90, 50-100, 60-110, 70-120, 80-130dB

Digital display resolution 0.1dB

Digital updating time 160ms

Quasi-analog bar( 6 ranges) 30-80, 40-90, 50-100, 60-110, 70-120, 80-130dB

Quasi-analog bar resolution 1dB

Bar updating time 40ms

Accuracy at 94dB, 1KHz + / -1.5dB

Analog output AC 0.707

Vrms( at full scale) DC 10mV/ Db

Microphone Dia.6 mm electric condenser microphone

Frequency range 31.5Hz-8KHz

Battery life time 30 hours typical

Windscreen YES

LCD size( mm) 42( H) x 62( W) Operating temp. 0-50  Operating RH% Humidity< 80% Storage temp. -20-50  Storage RH% Humidity< 90% Dimension( mm) 77 x 254 x 37

Weight 200g

Battery 9V x 1pc

Standard Package Meter/ Battery/ Manual/ carry case

Optional Accessory Computer connection software kit

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