Feature

●USB Data Storage and Transmission: Support USB cable is connected to the computer to read device data in real time and export EXCELL format
●Alarm alert when exceed THE STANDARD: When the alarm light with a buzzer warning sounds can be adjusted to the alarm time: 6S-120S, you can adjust the alarm sound: 1-3 levels
●3.5MM UNIVERSAL 3.5 AUDIO CABLE: Connected external speakers support 3.5 audio cable
●Large Screen Display: 3 3.0 inch high definition digital tube can be clearly displayed under direct sunlight
●PERFORMANCE:Capacity microphone sensor has three conductive layers to determine the frequency response and sensitivity. Diaphragm is light and fast with response


Description

Measurement range: 30 - 130 dB
Accuracy: 1.5 dB (94 dB @ 1 kHz) based on standard sound source.
Frequency response: 31.5Hz - 8.5KHz
Frequency Weighting: A Right
Response time: FAST (fast)
Microphone: 0.2 inch (6 mm) condenser microphone.
Digital Display: 3 digits
Resolution: 0.1 dB (<100 decibels) 1 dB (> 100 decibels)
Prompt Alarm: V
Alarm Output: V
Storage function: 2 seconds/pen can be stored for 1 year
Computer communication: X, USB cable computer connection
Power Supply: DC5V 1A Micro USB interface