The Testboy TV 430 is a Digital Insulation Measuring Instrument that makes it possible to check the insulation resistance of devices, electrical systems and circuits. It has three selectable test voltages 250, 500 and 1000V DC.
A continuity tester and an AC voltmeter have also been integrated to round off the options for use in a wide variety of applications. The most important aspect when measuring insulation resistance is the elimination of the effects of any capacitance. This is achieved by measuring with DC voltage. In order to achieve a meaningful result, the test voltages and the test current are defined so that the influence of the current or voltage dependent resistances remain the same.
During the original inspection, the measurement of the insulation resistance must be carried out between each active cable and earth.
- Data hold function
- Test voltage can be changed by the rotary switch
- LED used as normally working indicator under high voltage condition
- Auto range in insulation resistance measurement
- Auto power off
- Protection circuit provided to prevent damage caused by the discharge voltage of the tested load
- Checking with DC voltage
- Three selectable test voltages
- Continuity tester and AC voltmeter
- Manufacturer's part: Testboy TV 430
