... . Environment requirement: +5403. Relative humidity<85%; 4. Intensity of outside magnetic field:<400A/m4. Rotate speed: 0-9950r/min ... 4,6,8 channels available Features:1. Working capacity: Capable of testing injector angle, dribbling, atomizing, volume, uniformity.2. Memory ... low/mid/high speed available, may diagnose the changes of group of injectors before and after cleaning.3. Cleaning system: clean ...