Insulation and Continuity Tester
This meter tests high voltage insulation and continuity. It measures insulation resistance at 1000V, 500V, and 100V and also features AC voltage measurement.



Technical Specifications
Overview
Professional Insulation and Continuity Testing
This high-voltage insulation and continuity tester is designed for reliable electrical safety testing and troubleshooting. It features a versatile analog display and supports multiple testing ranges, including insulation resistance at 1000V, 500V, and 100V. Built for durability and ease of use, the unit includes essential test leads and a protective carrying case, making it an ideal tool for field technicians and electrical maintenance professionals.
Technical Specifications
Measurement Functions
- Insulation Resistance
- Continuity Test
- AC Voltage Measurement
Resistance Ranges
- Model Number
- 257ST
- Insulation Test Voltages
- 100V500V1000V
Included Accessories
Included Items
- Test leads
- Carrying case



