... . Transfer the message between the Nurse-call System and the pumps.4. Three working modes: rate mode, time-volume mode, ... any malfunction, making the infusion process safer and more reliable.Flow rate50ml syringe:0.1~1500ml/h;30ml syringe:0.1~900.0ml ... , injection of limited amount finished, injection is blocked, syringe falls off, syringe is improperly installed, setting error, AC power has been ...