... groups High cost performanc Jyins square panel meter in frequncy meter,volt meter ,current meter,watte meter and multifunction meterUses and applications,This series ... 85°C.Changes caused by the temperature,Temperature range for reference: 23°C±2°C, 13°C~23°C, and ... the level index ±100%.The installation,Unless specified, the meter is usually installed in a vertical position. Other installation ...