DIGITAL SOUND LEVEL METER Application: It is used to calibrate the sound level meters. This instrument is compatible with several standards of GB/T 3785, IEC 651 Type 2, ANSIS 1.4 Type 2.It is widely used to test the sound level of environment,...
DIGITAL DUAL CONTACT & NON CONTACT TYPE TACHOMETER Detector type laser contact Combo Speed Measure Range 2.5~999.9 1000~99999 Speed Line Measure Range 0.05~99.99 100.0 More Resolution 0.1RPM/1RPM 0.01M/min , 0.1M/min ...