The MJ159 insulation resistance tester provides excellent test voltage regulation and is the ideal instrument when high ranges are needed for measuring insulation resistance. It also has an external guard terminal to eliminate surface leakage current from the measurement.
• Guard terminal to eliminate surface leakage current
• Voltage indicating range
• Portable tester
• No scale multipliers
• Multiple test voltages for spot and step voltage testing
• Large, easy-to-read scale