JD-105 Digital Noise Detector Mini Lightweight High Accuracy Decibel Monitoring Device Sound Level Meter with LCD Backlight ( Item#: E11480 )

It is a digital mini sound level meter, which can convert ambient sound into electrical signals, process data and displays results on LCD display. The performance is stable, safe and reliable measuring instrument. It is lightweight, compact, and portable, without the limit of time and place. Ergonomic, and user friendly, which can be widely applied in environmental protection, occupational health, industrial enterprises, scientific research and teaching fields, used for measuring environmental noise, machinery noise measurement and measurement of architectural acoustics.

Features:
It is light weight, compact, ergonomic, and user friendly, making it a fine tool for monitoring noise intensity.
Dustproof drop resistance, wear resistance, fine durability and can provides long service time.
Digital mini sound level meter, which can convert ambient sound into electrical signals, process data and displays results on LCD display. 
4 digit LCD display, with full-size backlight, the data is clear at a glance.
Two modes adjustable, MAX/MIN modes controlled by different button.
Alarm function: “OL” will be displayed when the input exceeds the range.
Auto power off: automatic shutdown after 15 minutes without any operation, economical, and user friendly.
Portable and easy to use, suitable for sound quality control in factory, office, home, school and construction site.
Widely applied in environmental protection, occupational health, industrial enterprises, scientific research and teaching fields, used for measuring environmental noise, machinery noise measurement and measurement of architectural acoustics.

Specifications:
Name: Sound Level Meter
Model: JD-105
Frequency R-ange: 31.5Hz-8kHz
Measuring R-ange: 30dB-130dB
Microphones: 1/2 inch electret condenser microphone
Calibration: electrical calibration with the internal oscillator(1 kHz sine wave)
Display digits: 3-1/2 digits
Resolution: 0.1dB
Time weighting: FAST(125ms), SLOW(1 sec)
Frequency weighting: A
Basic accuracy: ±1.5dB and a sinewave of 1kHz at 94dB
Battery: 4 * 1.5V AAA battery (excluded)
Operating temperature: 0-40°C (32-140°F)
Operating humidity: 10-90% RH
Storage temperature: -10℃ to 60°C (14-140°F)
Item size: 182 * 68 * 30mm / 7.17 * 2.68 * 1.18in
Item weight: 172g / 6.07ounce
Package size: 230 * 127 * 35mm / 9.06 * 5.00 * 1.38in
Package weight: 205g / 7.23ounce

Note:
Please allow a slight error due to manual measurements.
Due to the different monitor and light effect, the actual color maybe a slight different from the picture color.

Packing List:
1 * Sound Level Meter