Product Description
- 1. Measuring range: 30 to 130dB, the product operation is very convenient, it can be used only by connecting the power supply (additional power supply needs 5V 1A) accuracy: ±1.5dB (reference sound pressure level, 94dB @ 1KHz), frequency response range: 31.5Hz ~8.5KHz
- 2. Large 9.6-inch LCD display with backlight, powered by DC 5V 1A Micro USB socket, this meter can be used to measure noise in various occasions and accessories, such as factories, offices, homes, traffic routes, audio, air-conditioning refrigerators, etc. Wait
- 3. Alarm switch setting: short press the "horn button" to turn off the alarm and the red light goes out, then press the "horn button" to turn on the alarm, and the red light is on. In the normal measurement state, long press the "horn key" to enter the alarm setting, adjust the alarm value through the up and down keys, short press the "horn key" to save the alarm value, or short press the "power key" to cancel the setting.
- 4. Note: Power on, short press the "switch machine" button to shut down, long press the "switch machine" button, automatic startup function: the product will automatically turn on when connected to the power supply, long press the "switch machine" button, it will shut down, if LCD display appears The numbers on the screen do not jump, and garbled characters appear. You need to restart the machine. If you have any questions, please contact us in time.
- 5. Note: The device needs an additional charger, which matches the standard 5V 1A charger. The voltage and current must not exceed 5V 1A. If it is too large, it will burn the circuit board. When using the sensor, please pay attention to whether there is any blockage of foreign matter. If the device is turned on, the LCD display does not display, and the sensor may be faulty. Please contact us in time, we will handle it for you as soon as possible.
Purchase instructions:
1.The product is powered by USB cable, please confirm before purchase, you have USB socket applicable
Product has no battery, it uses AC power supply
2.Usually in a very quiet room, the value will not be lower than 40dB, which is normal.
Description:
Large digital LCD display
Measurement range is 30 ~ 130dB
The indicator light blinks and buzzer Alarm
Use the device to measure noises inside or outside.
With hanging holes, can be hangged on the wall
DC 5V 1A micro USB power supply
Specifications:
Model: SW-525A
Measurement range : 30 ~ 130dB (dB)
Accuracy: +1.5 dB (reference sound pressure level, 94dB @ 1kHz)
Frequency response: 31.5Hz ~ 8.5kHz
frequency weighting: A
Response time: Fast
Microphone: 6mm condenser microphone
Power supply: DC 5V 1A micro USB
working environment: 0 - 40 degrees (32 degrees Fahrenheit to 104 degrees Fahrenheit), 10 - 80%RH
Storage of Temp. and humidity: -10~60C. 10~70%RH
