CHARACTERISTICS:The module of Insulation Tester Unit built on the voltage converter DC / DC 500V. The equipment has two test leads with clips of type "crocodile". It is the adaptor for 266 series clamp meters.measuring voltage: 500V (DC)power supply: 4 x battery 1,5V type R6 (AA)dimensions: length - 90 mm, width - 70 mm, height 50mmweight: 200g (with battery)APPLICATION:The unit is used (with a clamp meter EM 261) for measuring insulation resistanceThe unit has two measuring ranges between:1. from 100k? to 20M?2. from 20M? to 2000M?