Applicable standards:
   IEC Pub 651 Type2 , ANSI S1.4 Type 2,
   IEC Pub 804 Type2
Accuracy:
   +/-1.5dB (ref 94dB @1KHz).
Measurement Item: SPL, Leq, SEL, MaxL, MinL.
Measurement Level: 30dB to 130dB.
Measurement Frequency range:
   31.5 Hz to 8KHz.
Frequency Weight: A and C.
Time weight: Fast and Slow, Impulse.
Microphone: 1/2 inch Electret condenser microphone.
Digital display:
   4 digit LCD , 0.1dB resolution, updated every 0.5s.
Quasi-analog bar indicator:
4-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 28 hours.
Operating temperature , humidity:
   5 ~ 40^oC , 10 ~ 90% RH.
Dimensions:
   265 (L) x 72(W) x 21(H)mm,
   ( 10.4" L x 2.8" W x 0.8" H ).
Weight: Approx. 380g.
Accessories:
   Instruction manual , Battery , Carrying case ,
   Adjustment screwdriver , Software , Wind shield,
   RS-232 connecting cable, 9 Pin to 25 Pin gender
   changer , 3.5f plug.
Optional accessories:
Microphone extension cable, Tripod.,
Sound - Level Calibrator