Tender For supply of lcd digital tachometer, mechanical measuring range: 0.5 to 19999 rpm. providesfast and accurate non-contact rpm and surface speed measurements of rotating objects. as per metravi model no: nctm-1000 or similar model of make: lutron/kusum meco/precise. digital techometer must be supplied alongwith calibration certificate from a nabl/govt approved certified laboratory. [ warranty period: 30 months after the date of delivery ]