30 to 130dB Digital Sound Level Meter, Sound Levels Meter with Data Storage Function, Sound Level Meter Tester with Large LCD Display Noise Meter Decibel Wall Mounted Hanging

• Measuring range: 30 to 130dB, the product manipulate 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.
• 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.
• Alarm switch setting: short press the horn button to turn off the alarm and the red lights goes out, then press the horn button to turn on the alarm, and the red lights 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.
• 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.
• Application: Connecting computer with USB cable, you can down‑load records, collect samples and print chart and date,etc. families, factories, offices, hotels, hospitals, laboratory, theaters and audio systems, etc.

1. Measuring range: 30 to 130dB, the product manipulate 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. Specification: ModelSW-525B Accuracy±1.5dB Measurement Range30~130dB Frequency Response Range31.5Hz~8.5KHz Frequency WeightingA ResponseFast Resolution0.1dB(100dB) Alarm Reminder(sound+display)Yes Alarm OutputYes Storage Function2secs/time, can be stored for a year Communicationconnecting PC via USB cable Working Temperature/Humidity0-40℃, 10%~80% Storage Temperature/Humidity-10-60℃, 10%~70% Characteristics MaterialPlastic, Metal ColorBlack PowerDC 5V 1A micro USB Product Size(appr.)228x125.5x32mm / 9.0x4.9x1.3inch Package Weight(appr.)612g AccessoriesUSB Cable, User Manual, CD Package Included: 1 x Sound Level Meter 1 x USB Cable 1 x User Manual 1 x safeguards Card noise decibel meter noise meter decibel decible meter decibels meter decibel meter with data logging classroom noise level lights noise monitor for classroom classroom noise meter with alarm classroom sounds wall meter for classroom xo noise detector minut noise monitoring device decibel meter internet