supply of supply of megger insulation tester. , supply of 2500 v megger insulation tester, suitable for measuring insulation resistance range 0-10000m ohms, metal body, hand driven generator type with protection cover as per is:2992-1987. note: - valid calibration certificate from nabl/govt. approved test lab to be supplied along with the material. [ warranty period: 12 months after the date of delivery ] ] , analog type hand driven 1000v, 2000 mega ohm insulation tester megger with metal body, t esting lead, minimum 1 year warranty. note:- valid calibration certificate from nabl/govt. approved test la b to be supplied along with the material.. [ warranty period: 12 months after the date of delivery ] ]