JD-801 Mini Noise Tester Measuring Instrument High Accuracy 30-130dB dB Meter Digital Audio Sound Level Detector Meter Decibel Monitor with Backlight Feature: 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. Specification: 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)

• Is Discontinued By Manufacturer ‏ : ‎ No
• Package Dimensions ‏ : ‎ 10 x 10 x 10 inches; 5 Pounds
• Date First Available ‏ : ‎ July 31, 2021
• Manufacturer ‏ : ‎ Hefei Chenchuang Instrument Co., Ltd.