Standards: ISO5470, IWS TM112/196, DIN53863/53865, BS3424/5690, BS EN 388/530, JIS L1096, ASTM D4966/4970 and so on.
Features:
Apparatus with two trajectories, and a reciprocating.
linear trajectory, but also do a round tracking movement.
Presets available, liquid crystal display.
Simple and convenient to use.