Specialties: ELECTRICAL SIGNATURE ANALYSIS(ESA), INFRARED, INSULATION TEST, MOTOR CURRENT SIGNATURE ANALYSIS(MCSA), OFFLINE MOTOR TESTING, ONLINE MOTOR TESTING, ONLINE & OFFLINE PARTIAL DISCHARGE, ROTOR INSPECTION, TAN DELTA, ULTRASOUND, VIBRATION, ALIGNMENT, IN-SITU BALANCING, WINDING INSPECTION, MOTOR PERFORMANCE CHECK, NOISE INSPECTION, TRAINING, CONSULTANCY

Heliz & Rasraaf Sdn Bhd is an independent engineering consultant firm. We provide expertise in total predictive maintenance services & turnkey solutions to various industries. Customers who engage our services will be able to maximize their savings potential from their planned maintenance budget as our Predictive technologies will detect and isolate a faulty equipment immediately while the ‘good-ones’ defer from unnecessary periodic maintenance.

We can take the risk of unpredictable failure out of the critical asset in our customers’ facility by implementing the Integrated Reliability Technology; a program that does not only saves money for the client, but also gears their business towards operational excellence.

PD Monitoring & Diagnostic


Our Product Partial Discharge Detection

Equipment Sample
PD detector is the ideal partner for condition-based maintenance programs. Online partial discharge testing is a method of inspecting the insulation of electric power systems while equipment remains energized and in service. It incorporates all 5 types of online PD sensor technology. Information from multiple sensors gives it the versatility to detect all types of PD in all types of substation apparatus. Furthermore, the exact type of PD activity can be determined using PRPS: void, corona, surface, particle, or floating electrode. 



Our Product Motor Current Signature Analysis (MCSA) 
MCSA designed to monitor and trend the condition of AC induction, synchronous, wound rotor, and DC motors and their circuits. Among the testing capabilities are: power quality, power circuit, stator, rotor, insulation, and air gap. This MCSA can be done while the motor is running in operation or without operation. This comprehensive tester monitors all potential fault zones and allows for immediate notification of alarming conditions. The unique static and dynamic operation enables MCEMAX® to be utilized on all applications and motors regardless of size, type, or condition. This tester combines the accuracy of motor circuit analysis with the convenience of motor power analysis. The MCEMAX® is a complete motor/asset management tool for present motor management needs.

PDMA Motor Current Tester

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