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                                 - Noise Vibration Display Data Recorder SVD - 420H can be suspended from a single tube at the worksite or workplace, 
- Simultaneously displaying the noise level and vibration level at the same time, 
- Calculation result every 10 minutes can be recorded automatically on the USB memory card. 
- Timer - mounted (calibration of built-in clock with GPS) 
- Control of display and data can be controlled respectively. 
- All weather type and can be installed outdoors 
- Automatically records calculation results of noise and vibration every 10 minutes on a USB memory card 
- Display instantaneous value of noise / vibration level on digital display every 1 second 
- Daily report can be created with dedicated personal computer software 
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