Five principles of blasting vibrometer selection
1. The blasting vibrometer is firstly a measuring instrument, and the production and manufacturing shall have a metering production license (CMC mark);
2. In the course of use, the blasting vibrometer shall issue a product verification certificate within the effective period in accordance with the requirements of the metrological regulations;
3. The blasting vibrometer needs to meet the industry standards, and adopt speed-frequency as the basis for determining the blasting construction vibration;
4. The blasting vibrometer is a working vibrometer, and the parameter indicators need to meet or exceed the measurement performance requirements of the working vibrometer;
5. The blasting vibrometer has the functions of measured waveform output, monitoring briefing and blasting vibration and attenuation law analysis.