The instrument is designed and made as per industrial standard of People's Republic of China GB/T7326.It's suitabe to measure corrosion characteristics of lubricating grease to copper. 
GD-1131 Copper Strip Corrosion Tester for Lubricating Grease adopts stainless steel bath cover which is anticorrosive.
  
 Specifications
1.Input voltage:AC 220V±10% 50Hz
2.Temperature controlling:100ºC can be set at random
3.Temperature controlling accuracy:±0.5ºC
4.Heating power:800W+800W,two heating pipe
5.Heating media:using distilled water if it's below 50ºC,and using dilute glycerol when it's 100ºC