FNIRSI® FDM01 High-precision Digital Noise Decibel Meter Connectivity RS-232/RS-485 communication

communication

✦ Practical Design: 1000mAh battery

frequency and phase of the two sets of signals

ensuring stable triggering even with large noise signals

FNIRSI® FDM01 High-precision Digital Noise Decibel Meter Connectivity RS-232/RS-485 communicationFree sensitivity Temperature and humidity detection Light alarm Mobile app intelligent linkage Conforms to International Committee IEC651TYPE2 and American International Standard ANSIS1. 4TYPE2 standards Measurement range: 30dB 130dB Accuracy: 1. 5dB A weighting responses, with fast and slow response rate selection "Automatic shutdown in 15 minutes" function Dual mode switching with adjustable sensitivity Diligently designed with attention to detail