CALL: A.WIHARTA 081294124885 085778084789 087784022201   Info Produk Features: lLCD digital display lAnolog bar indicator lWide dynamic range lAuto/ Manual range lFast/ Slow response selectable lMAX value hold function lA/ C weighting selection lDate and time display lAC/ DC auxilitary output lMemory function lRS232C interface lComputer record graph software lBacklight lLow power indication Specifications: Measurement range: 30dB~ 130dB Accuracy: ± 2dB Resolution: 0.1dB Display: 31/ 2 digitals Sample rate: 2 times/ s Frequency range: 30Hz~ 8KHz Memory function: 16000 records Over range Indication: “ UNDER” or “ OVER” Auxilitary output: AC 0.707 Vrms at full range for each level, impedance 600© DC 10mV/ dB, impedance 100© Battery voltage: 6× 1.5VAAA