Standard calibration services from Electrical Test Instruments are National Institute of Standards and Technology (NIST) Calibration Certified and include equipment cleaning, calibration sticker placement, out-of-tolerance as found/as left data, and lifetime historical data maintenance.

LISUN is the Leader for Lighting and Electrical Test Instruments. LISUN's main products are Goniophotometer, Integrating Sphere, Surge Generator.

Searching for the most effective on-line electrical test instruments. Kingsway instruments is a famous name and for giving highest quality electrical equipment activity & repair.