Rotary Engine Compression tester
DCT500 compression tester
Suitable for: 10a, 12a, 13b, 20b, 26b Mazda Rotary engines.
Not suitable for piston engines
comes complete with lead and compression sensor
requires one 9v battery (not supplied)
See video link below for demonstration of device:
https://youtu.be/0b1N87kIZBM