Instrument techniques offers insulation resistance tester. These testers are indispensable instruments for production, installation and maintenance of electrical appliances and machinery. Thus, they are basic instruments for electricians. The following can be tested as per international / indian standard specifications with the tester: motors, generators, cables, switchgears, transformers, circuit breakers, house wiring, electrical meters, chokes, capacitors, relays, switches, communication lines, household appliances etc. Salient features of these testers are: push button operation; Light and rugged and overload to the meter. Insulation technique resistance testers are useful at testing laboratories, test benches, manufacturing electronic/ electrical goods/ insulators, academic/ r and d institutions, defence establishments, industries manufacturing electronic/electrical goods/insulators etc.