Part No: (abcdeFgghij-k) | Code: (M),(W)
Added to ensure that the perspective at which the gauge is read in the field is exactly how it was calibrated.
Eliminate false readings due to parallax error.
Highly recommended on all Test Gauges, Pneumo Depth Gauges and Caisson Gauges
External Zero Adjust
Part No: (abcdeFgghij-k) | Code: (A),(B),(M),(W)