(also referred to as the EZ-311) is a specialized bi-directional power meter manufactured by ZPA Smart Energy
: Standard units feature an electro-galvanized finish with an aluminum acrylic paint . For highly corrosive environments, variants like the Ocal EZD311-G offer a double-coated PVC finish. Dimensions & Weight : Hub Size : 1 inch. Weight : Approximately 3.9 lbs.
: Use the fiber filler and hardwood sticks to create dams around the conductors at the bottom of the hub to prevent sealing compound from leaking out.
By remapping two digital inputs to analog (0-10V), the EZD 311 new can monitor a temperature sensor. If the temp exceeds 80°C, the relay cuts the power automatically.
Even new hardware has teething problems. Here is how to fix the most common user-reported errors.
Perhaps the most critical update for the is the introduction of basic password encryption. While older units had simple lock codes, the new version uses 128-bit hash storage for passwords, preventing unauthorized logic changes.
When searching for , users are often looking for a changelog. Here are the definitive upgrades found in the latest revision: