Model 25 True RMS 3-Phase Monitor has a display that shows the voltage with an accuracy of +/- 0.5%. The display is updated every second and re-initialized every 30 seconds. Model 25 has a rotary encoder with switch on the unit. By pressing the encoder switch for more than 5 seconds, the unit will enter the setup mode.This unit has a user selectable relay option for High-Low or DPDT. It can also be user-selected to energize on fault or de-energize on fault. The user can select automatic or manual restart on the Model 25. The Model 25 True RMS 3-Phase Monitor can be either calibrated using a True RMS Voltmeter or can be restored to factory defaults in the field.
| Time Mark Corporation | |
|---|---|
| Product Category | Protective Relays and Monitoring Relays |
| Product Number | Model 25 |
| Product Name | True RMS 3-Phase Monitor |
| Voltage Sensitive Relay | Overvoltage Protection; Undervoltage |
| Power (Phase) Sensing | Phase Failure (Loss); Reversal; Unbalance |
| Protective Functions | Time Delay |
| Features | Programmable Time Delay; Visual Indicator |