Feature

●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 2A) accuracy: ±1.5dB (reference sound pressure level, 94dB @ 1KHz), frequency response range: 31.5Hz ~8.5KHz
●2. 18-inch large backlit LCD screen, powered by DC 5V 2A Micro USB socket, can be used in various occasions such as t library/hotel/theater/hall/factory/office/home/traffic route/art exhibition/audio/air conditioner etc. Noise measurement of accessories, etc.
●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 2A charger. The voltage and current must not exceed 5V 2A. 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.


Description

Description:18”Large Display Digital LCD DisplayMeasurement range is 30 ~ 130dBThe indicator light blinks and buzzer AlarmUse the device to measure noises inside or outside.With hanging holes, can be hangged on the wallSpecifications:Brand:SNDWAY Model:SW-526AMeasurement range : 30 ~ 130dB (dB)Accuracy: +1.5 dB (reference sound pressure level, 94dB @ 1kHz)Frequency response: 31.5Hz ~ 8.5kHzResponse time: FastLED light color:RedMicrophone: 6mm condenser microphonePower supply: 5V 2A DC micro USB power supply working environment: 0 - 40 degrees (32 degrees Fahrenheit to 104 degrees Fahrenheit), 10 - 80%RHStorage of Temp. and humidity: -10~60C. 10~70%RHDimension:400*230*34.5mm(15.72*9.04*1.36in)Weight:1442gPackage Included:1 x SW-526A sound level meter1 x USB cable​1 x ManualPurchase instructions:1. This product has no battery. It is only suitable for AC power, powered by USB cable connection, (need to purchase additional 5V 2A charger)2. Usually in a very quiet room, this value will not be lower than 40dB, which is normal. The reflection is sensitive, and the digital display changes with the change of the sound.