Auto ranging
0.1dB Resolution
Range from 30 to 130dB
A&C Frequency Weighting
Fast/Slow dynamic characteristic
16000 Records Data logging function
RS-232 interface
Real time clock with calendar
Applicable standards IEC Pub 651 Type2 , ANSI S1.4 Type 2
Accuracy +/- 1.5dB (ref 94dB @1KHz)
Digital display 4 digital LCD
Measurement Level 30dB to 130dB
Measurement Frequency range 31.5 Hz to 8KHz
Frequency Weight A and C
Time weight Fast and Slow
Microphone 1/2 inch Electret condenser microphone
Measurement Level C weighting 35dB ~ 130dB
Digital display 4 digit LCD , 0.1dB resolution, updated every 0.5s
Quasi-analog bar indicator 2-dB steps, 100dB display range, updated every 100ms
Display Warning function
Overrange indicator
Underrange indicator Displayed at the upper limit
Displayed at the lower limit
Analong AC / DC output 2Vrms ( at full scale ) , 10mVDC / dB
Power supply Four 1.5V LR-6/AA size alkaline cell, AC adapter
Battery Life about 30 hours
Operating temperature , humidity 5 ~ 40 ¡æ , 10 ~ 90% RH
Dimensions 265 (L) ¡Á 72(W) ¡Á 35(H)mm, ( 10.4" L ¡Á 2.8" W ¡Á 1.4" H )
Weight Approx. 310g
Accessories Instruction manual , Battery , Carrying case , Adjustment
screwdriver , Software , Wind shield, RS-232 connecting
cable, 9 Pin to 25 Pin gender changer, 3.5 f plug