Read the zero position of the scale Ⓐ in mm on the scale Ⓑ (29mm in the picture on the right)
Look at the scale Ⓐ and read the scale Ⓒ that comes to the same position as the scale Ⓑ (matching between bottom and top scales) (the above figures in 0.1 mm increments)
The total measured value of (1) and (2) is 29.6 mm.

Specification / Model	D2-44	D2-46	D2-48	D2-410
Knob Position	Center	Center	Center	Center
Stage Surface (mm)	40 X 40	40 X 60	40 X 80	40 X 100
Stroke (mm)	± 10	± 20	± 30	± 40
Resolution (mm)	0.1 / Vernier	0.1 / Vernier	0.1 / Vernier	0.1 / Vernier
Parallelism (mm)	0.06	0.06	0.06	0.06
Straightness (mm)	0.03	0.03	0.03	0.03
Travel Guide	Surface to Surface / Rack & Pinion	Surface to Surface / Rack & Pinion	Surface to Surface / Rack & Pinion	Surface to Surface / Rack & Pinion
Material	Aluminum	Aluminum	Aluminum	Aluminum
Load Capacity (kg/f)	2.8	3.8	3.8	3.8
Weight (kg)	0.5	0.62	0.8	0.94

Specification / Model	D2-412	D2-414
Knob Position	Center	Center
Stage Surface (mm)	40 X 120	40 X 140
Stroke (mm)	± 50	± 60
Resolution (mm)	0.1 / Vernier	0.1 / Vernier
Parallelism (mm)	0.06	0.06
Straightness (mm)	0.03	0.03
Travel Guide	Surface to Surface / Rack & Pinion	Surface to Surface / Rack & Pinion
Material	Aluminum	Aluminum
Load Capacity (kg/f)	3.8	3.8
Weight (kg)	0.98	1.1