User Documentation

Wiring
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How to connect Power Monitor and the other devices with a 2-wire system
6.5 Low voltage directive
When using in the application in compliance with EN 61010-1 / IEC 61010-1, ensure that the following
conditions are met.
When using in accordance with measurement category III, install varistors between the power supply lines
and the measured voltage input. Use varistors which comply with the European standard and specifications
to match the power supply and added current.
• Environmental conditions
◊ Overvoltage category II, Pollution degree 2
◊ Indoor use
◊ An ambient temperature of -25 to +55 °C
◊ An ambient non-condensing humidity of 30 to 85 % RH (at 20 °C)
◊ Altitude of 2000 m or less
• Mount the product in a location with
◊ A minimum of dust, and an absence of corrosive gases
◊ No flammable, explosive gasses
◊ Few mechanical vibrations or shocks
◊ No exposure to direct sunlight
◊ No large-capacity electromagnetic switches or cables through which large current is flowing