fdm 02 digital noise meter 30 130 db a c weighted handheld decibel meter Colour:FDM-02 10W wireless charging for Samsung

10W wireless charging for Samsung Galaxy Note9 / Note 10 / Note 10 Plus / S10 / S9 / S8 / S7 / S7 Edge

The powerful VTX makes sure that you never lose signal

Practical for every room

and Gemfan 2023 propellers

fdm 02 digital noise meter 30 130 db a c weighted handheld decibel meter Colour:FDM-02 10W wireless charging for SamsungAccurate, professional measurements This hand held meter combines a capacitive microphone with a highprecision temperature and humidity sensor to give reliable readings. It offers A and C frequency weighting plus fast and slow time weighting (1. 25s fast), with an accuracy of 1. 5dB (94dB@1kHz) and a frequency response of 31. 5Hz8. 5kHz. Measurement range covers 30130dB, suitable for a variety of environments. Clear display and data logging The 2.