The ARU-R type is a single line grease distributor which measures accurate amount of grease discharged from pump and it supplies oil to each ports in order.
When distributor completes 1 cycle the indicator moves back and forth one time. if any one of pipe is blocked, the distributor doesn't work. So any problems can detected immediately.
The ARU-R-M type has limit switch and can check the operation by monitoring.
Temperature range : -20'C~70'C