*Ideal for measuring in factories, schools, residential, office, traffic, sound, noise engineering, product quality control, health prevention and control and more *Range:30—130dBA、35—130dBC
30—80db、40—90db、50—100db、60—110db、70—120db、80—130db、30~130 db is auto range
*Accuracy:±1.5dB ( 94dB@1KHz), ±5dB (94dB@8KHz)
*Resolution:0.1dB
*Response frequency:30Hz — 8KHz
*Dynamic sound pressure:50 dB ( at each range) FAST 125ms, SLOW 1sec
*Frequency weighting:A and C type
*Sensor:Polarized condenser microphone
*Sampling Time:2 times/sec.，Analog 20 times/sec.
*Operating environment:10~80%RH，0°C~40°C (Non-condensing)
*Storage environment:10~70%RH，-10°C~60°C (Non-condensing)
*Low battery indication:<5V
*Power source:1.5V AAA battery x 4 (Not included)
*Weight:174 g (Not including battery)
*Dimension:174 x 60 x 29mm
*Accessories:Storage bag, Instruction manual
*One year warranty