Specification 
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The above specifications may be subject to change without prior notice. 
1.Set value accuracy means the set accuracy realized through the panel button or communication 
instructions. When external analog is used for programming, the programming accuracy is 1%. 
2.Read-back value accuracy means the read-back accuracy realized through panel display or 
communication instructions; when external analog is used for monitoring, the monitoring accuracy is 1%. 
3.In usage, to balance power of each phase, distribute the instrument to three phases. However, ensure that 
single machine input voltage meets Specification requirements. 
4.It means the maximum phase current value under minimum work input voltage. 
5.2 Supplemental characteristics 
  State storage capacity 
100 sets 
  Recommended calibration frequency 
once a year 
  Cooling style 
fans