Execution standard: 
GB/T 7551-1997 Certificate
(eqv OIML R60)
Combined error: 0.015%

Sealed to IEC 529: 
Protection grade: IP67 or IP68.
Protection against total immersion in water for 30 minutes at a pressure corresponding to a 1 m head of water.

Dimensions

(In mm. 1mm = 0.03937 inches)