Cable runs cannot exceed 300 feet from the roof sensors down to the data logger. Two hundred feet of cable is included with each unit, and a 100 foot extension can be purchased from AWS at an additional cost. The digital display can be located up to 500 feet from the logger. The signal is carried by a standard 4 conductor phone cord with modular plugs. Yes, the logger can power multiple displays.
Additional displays are available form AWS at an added cost.
The school supplies the standard 4 wire modular phone cord to carry the signal, and AWS supplies a phone split plug that splits the signal to each display. Downloading historical data takes 2 to 10 minutes depending on how long it has been since the data was last accessed. Downloading historical data takes 1-2 minutes depending on volume. Units will be calibrated on a routine schedule. Installed each sensor suite is approximately 30 pounds and 10 feet high.