Feature

●Maximum/minimum value measurement and data retention function, can measure the volume more easily. Data recording function, data measurement and collection are more convenient.
●Realtime display of results, with fast/slow response modes to choose from. Scientific design, the test process is more accurate, and the test data is more rigorous. The product is small in size, light in weight, easy to transport and convenient to use.
●Preparations before operation: Open the battery cover and install the battery on the bulb holder; Replace the battery cover; When the battery power is low, a symbol will appear on the LCD panel, indicating that the current battery power will not be enough, and a new battery must be replaced; When using a DC power converter, please insert the output plug (3.5) of the DC power converter into the DC6V jack on the side of the meter.
●Operation matters: Press the power switch and then release it; Press level or select the appropriate gear to measure the current noise, with reference to the absence of "UNDER" or "OVER" symbols. 3. If you want to measure the sound with the ear as the sensing volume, please select dBA.
●Note: Do not place it in a high temperature or humid place; The ambient noise must be lower than the noise of the measured object before it can be measured normally; Please take out the battery if you dont use it for a long time to avoid electrolyte leakage and damage the meter.

Description

How to Use:
Preparations before operation:
1. Open the battery cover and install the battery on the bulb holder
2. Replace the battery cover.
3. When the battery power is low, a symbol will appear on the LCD panel, indicating that the current battery power will not be enough, and a new battery must be replaced.
4. When using a DC power converter, please insert the output plug (3.5) of the DC power converter into the DC6V jack on the side of the meter.

Specification:
Item Type: Noise Tester
Material: Plastic
Size: Approx. 23x7cm / 9.1x2.8in
Weight: Approx. 618g / 21.8oz
Sensor: 1/2 Inch Condenser Microphone
Measuring Range: 30~130dBA/35~130dBC
Measurement Accuracy: ±1.5dB
Frequency Response: 31.5Hz~8.5KHz
Frequency Weighting: A/C
Digits: 5 Digits
Resolution: 01dB
Time Weighting: Fast/Slow
Maximum Lock: Support
Power Supply: 4x1.5V AA Batteries (Batteries Not Included)

Package List:
1 x Noise Tester (Battery Not Included)
1 x Manual
1 x Plastic Storage Box
1 x Power Cord
1 x Circle Protector