TTL Technologies Pvt. Ltd. Offers Power Quality Clamp Meter. TTL Technologies Pvt. Ltd. Is an ISO/IEC 17025:2005 accredited company. The company manufactures Test Instruments. The Power Quality Clamp Meter is used to analyze the harmonic spectrum, a low-pass filter to remove high frequency noise, and a high EMC immunity design, the power analyzer is ideal for troubleshooting power quality on switching loads. This clamp on meter is a combination power analyzer, power quality logger, and clamp meter, and is ideal for monitoring electronic loads.