The main measuring instrument for calibration
Equipment Name  | Model  | No.  | Certificate No  | Technical Features  | 
Circuit Tester  | AX110 –1-3  | C4AB00022  | RZD20175466  | 0.3℃  | 
Hygrometer  | HMI-41/HMP46  | X3610007/X3930012  | 2017/06/14  | 1 - 2%RH  | 
 
1. Calibration locations, environmental conditions.
locations: Our factory laboratory temperature 26 °C Relative humidity 55 % R.H
Placement of each temperature probe:
upper layer:A.B.C.D
Middle layer: O
Lower layer:E.F.G.H
Humidity measurement point:
geometric center point of the workspace
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