Although defined as ‘accessory’ series, they play an important role in helping smart meters speed up. This series of accessories are patented products, containing the wisdom and innovative design of Tespro China’s teams.The first one is the supporting fixture TP-GS, designed with a small body, but with a very strong adsorption force, which can attach firmly to any meter surface. TP-GS can support any Tespro China optical probes so as to help optical probe to collect data or sense pulse at any position of the meter.