PD couplers for online PD monitoring for machines. Right from smaller motors to a large turbo or hydro machine. ohv diagnostic's PD couplers are suitable for every application. Popular models are CD17/CD24/CD36 with coupling capacitance of upto 2nF.

UHF sensors for cable and cable termination provide passive sensing solutions for cable terminations upto 400KV voltage. Suitable for online monitoring as well as periodic testing. Popular model: CT-1

UHF sensor for Transformer PD monitoring. Fits to various sizes of valves e.g. DN40/DN50/DN80/DN100. Is your transformer valve size different? call our application specialist for a solution. Popular models: UST50/UST80/UST100.

HFCT Sensor for conventional PD measurement for cables. Online PD monitoring or periodic measurements. Wide frequency bands available. Aperture from 55mm to 110mm.

ohv diagnostic offers PD-free coupling capacitors. Voltage rating from 50KV to 300KV. Ideal for PD measurement or voltage measurement. A custom built Quadripole makes it suitable for any third party PD instrumentation.

Online PD monitoring of transformer using UHF signal measurement technique as per IEC TS 62478. A compact sensor can be mounted onto existing valve as a retrofit or on a new transfromer. A custom built solution is also possible for a specific project.

Calibrator for PD measurement system as per IEC60270. Calibrators with certification as per IEC 17025 or NABL tracebility. Popular models:C-1/ C-2/ C-6RC.

UHF Pulse Injector. Popular models PG-1 / PG-2