We are offering vibration meter vm-199-r-a *measuring range acceleration0.1199.9ms velocity0.11999.9ms displacement0.0011.999 mm (pp) *accuracy: 5% *measuring frequency --acceleration: 10hz1khz (lo)1khz15khz (hi) --velocity: 10hz1khz (lo) --displacement: 10hz1khz (lo) *lcd display: 3 12 digits display *vibration pickup: piezoelectric ceramic accelerometer (shear-type) *operation temperature: 040 *equipped two probes (s and l) to adapt the different measurement requirement *provides a magnetic probe to fit the condition uneasy hold on by hand *maximum value hold function *ambient temperature reading *cf selection *low battery indication *auto power off *lcd backlight display warranty: 12months.