The Sonel Test Measurement TKF-12 is a versatile insulation tester engineered for professionals who demand accuracy and durability in the field. With a CAT III 600V safety rating and IP42 protection, this instrument is built to withstand harsh industrial environments while delivering reliable measurements.
Key Features & Highlights
- Insulation Testing: Measures insulation resistance with high accuracy, essential for preventive maintenance and fault detection.
- Continuity Testing: Quickly verifies circuit continuity to ensure safe and proper connections.
- Loop Impedance & RCD Testing: Assesses loop impedance and residual current device performance for electrical safety compliance.
- Rugged Construction: Double insulation and IP42 rating provide protection against dust and water splashes, suitable for on-site use.
- Wide Voltage Range: Operates on phase-to-phase voltages from 120 to 690 V AC, covering a broad range of industrial systems.
- Compact & Lightweight: Weighs only 200g with dimensions of 130 x 70 x 35 mm, making it easy to carry and use in tight spaces.
Applications
The TKF-12 is ideal for electricians, maintenance technicians, and engineers working in industrial plants, commercial buildings, and utility settings. It is suitable for testing insulation resistance in motors, cables, and switchgear, as well as verifying safety of electrical installations.





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