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JD-801 30-130dB Noise Tester Digital Audio Sound Level Meter with ON OFF

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JD-801 Mini Noise Tester Measuring Instrument High Accuracy 30-130dB dB Meter Digital Audio Sound Level Detector Meter Decibel Monitor with Backlight
1. High precision and fast response: The response time of the noise meter is less than 1s, and the ultra-fast response allows you to easily obtain real-time and accurate sound test values in various environments. The measurement range is 30-130dB, the accuracy is 0.1dB, and the resolution is 1dB.
2. Automatic shutdown and overload alarm: If there is no operation within 10 minutes, the noise meter will automatically shut down to save power. Overload alarm, when it is less than 30 dB, the screen displays "UN"; when it is greater than 130 dB, the screen displays "OL".
3. Data retention and max/min lock: Short press the "M" key to easily switch between max/min/real-time mode. The button "H" (Hold) can freeze the decibel value currently measured on the screen, which can meet your various measurement needs.
4. Easy to operate: The simple design with 4 function buttons makes the handheld noise meter very easy to use. The ergonomic handheld arc and ultra-lightweight design bring you a comfortable handheld experience.
5. Large LCD display: The large LCD display with backlight function can provide clear readings, so you can get data under any light.
6. Applicable occasions: The noise meter is an ideal measurement tool for sound testing, which is widely used in factories, workshops, schools and homes.

Product name: Noise meter
Colour: Black
Material: ABS
Measuring range: 30dB-130dB
Measurement accuracy: 0.1dB
Working temperature: 0-40°C
Resolution: 1dB
Power supply: 1 X 9V battery (not included)
Size: about 209 * 64 * 40mm / 8.23 * 2.52 * 1.57inch (L * W * H)

It is a digital mini sound level meter, which can convert ambient sound into electrical signals, process data and displays results on digital 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.

Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.