Sound Level Meter Features: LCD digital display Wide dynamic range Auto/Manual range Fast/Slow response selectable MAX value hold function A/C weighting selection AC/DC auxilitary output Backlight Low power indication Specification: Measurement range: 30dB ~ 130dB Accuracy: ±2dB Resolution: 0.1dB Display: 3 1/2 digitals Sample rate: 2 times/s Battery voltage: 4X1.5VAA
