supply of digital vibration meterdigital vibration meter,digital vibration meter lutron vb-8201ha or htc vb-8205 or metrix + vb 8202a to measure acc eleration, velocity and displacement with range 10 hz to 10 khz. sensor: piezo electric accelerometer, 3-1/2 di gital lcd display, displacement; 0-2000 microns pk-pk, velocity; 0-200 mm/sec pk , frequency response; 600 r pm to 60000 rpm. with magnetic base, vibration sensor with 2m cable and hard carrying case , minimum 01 y ear warranty with instruction manual. acceptable makes: lutron, htc, metrix, acd machine only [ warrant y period: 30 months after the date of delivery ] ]