1% of range maximum Active energy Class 1 IEC62053-21 Class B EN50470-3 Reactive energy 1% of range maximum - 2 - Jiaxing Eastron Electronic Instruments Co.,Ltd. Tel: 0086-573-83698881 / 83698882 Fax: 0086-573-83698883 Add:No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastron.com.cn...