NY – The UL-listed PL-PM1RJ power meter, from Whirlwind, is designed for monitoring voltage, current and frequency on 3-phase Y power with three 120 Volt AC legs or single-phase AC with two 120 Volt legs. The PL-PM1RJ monitors line to neutral and line to line voltages and line current values.
More details from Whirlwind (www.whirlwindusa.com):
Additionally, neutral to ground voltage and line frequency are monitored. You can remotely monitor your power distribution parameters from a laptop, tablet, or any smart phone since an IP-based design permits Internet accessibility. This allows real-time power distribution monitoring from any location or multiple locations simultaneously. Features include IP addressing to integrate easily into existing LANs, and unit naming to identify individual monitoring locations. Simply connect the PL-PM1RJ to your network and monitor from any connected device, even wirelessly. The Whirlwind PL-PM1RJ Power Meter can be used with both portable AC distribution and permanent power distribution systems.
