If the HOLD button was pressed when the WT210 was powered OFF, it causes the WT210 to display "-----" on the next time it is powered ON. You can revert back to a numerical display simply press the HOLD button.
A Yokogawa, a maior fabricante mundial de analisadores e medidores de energia e energia, fornece uma ampla gama de analisadores de energia digital para atender a todos os requisitos.