They use two independent moving-iron movements with silicone oil damping and pivot suspension by means of spring-loaded jewel bearings for vibration and shock resistance. The scales are 90º .
They use two independent moving-iron movements with silicone oil dampingand pivot suspension by means of spring-loaded jewel bearings for vibrationand shock resistance.
Scales
Two scales of 90º compressed at the beginning. Coarse-fine division.