Insulation Material / Insulators AC High Voltage Test Set - Cascaded Precision-engineered for electrical appliance testing, our cascaded AC high voltage test sets ensure compliance with I.S. Specifications. Primary Current Injection Test Set - Single Phase Ideal for primary injection testing crucial for CTs, bimetals relays, and protection relays, ensuring precise calibration and robust performance. Primary Current Injection Test Set - Three Phase Essential for comprehensive primary injection testing of CTs, bimetals relays, and protection relays, guaranteeing accurate results in various scenarios. Kilo Volt Meters / Voltage Dividers Used to measure the kilo volt value of an Instrument Transformer, CT/PT, etc. Sphere Gaps One of the standard methods used for measuring the peak value of the high voltage either DC, AC or impulse voltage. Insulation Test Sets High voltage AC Insulation Tester suitable for polarization test for testing insulation materials.