GAIN EXPRESS Compact Digital Sound Level Meter Japanese Instruction Manual

[High accuracy] Measurement range: 30 to 130 dBA, Accuracy: +1.5 dB, Resolution: 0.1 dB [Features] Backlit LCD display, maximum/minimum value and data retention function, manual and automatic power off after 10 minutes of inactivity, battery level display, over-range display on screen when measurement range is exceeded [Weight and dimensions] Weight: approx. 96.38g, dimensions: approx. 56.1 x 177 x 36.03mm [Simple operation] Simply insert three 1.5V AAA batteries and press the power button to power on the meter. [Wide range of applications] It is an ideal tool for sound quality control of various environmental noises, such as factories, offices, homes, cars, schools, theaters, audio systems, transportation routes, construction sites, noise engineering, health prevention, etc. This sound level meter is a great tool to check, monitor or control the sound level in any place to adjust and create a better working or living environment. Features: LCD display with backlight Alarm setting on backlight Battery level display Max/min and current value lock Data hold function Overrange display Manual/auto power off Small and portable design Specification: Material: Plastic Measurement range: 30-130dBA Accuracy: ±1.5dB Frequency range: 31.5Hz-8KHz Frequency weighting function: A-Resolution: 0.1dB Operating temperature and humidity: 0-40°C, 10-80%RH Storage temperature and humidity: -10-60°C, 0-90%RH Power supply: 3 x 1.5V AAA batteries Weight: 96.38g Dimensions: 56.1 x 177 x 36.03 mm Package contents: 1 x Sound level meter 1 x Windshield 1 x Japanese instruction manual 3 x AAA batteries