Back Plunger Dial Indicators

Back Plunger Dial Indicators ST-305A These are different from general indicators, of which gradation plate can be set in parallel to measuring face. It is suitable for leveling smooth surface and reading from the front of measuring point. Arm type  Model  ST-305A  Graduation  0.01 (mm)  Range  5 (mm)  Repeatability  5 (µm)  Indication  Error  Adjacent 20 (µm)  1/2 Revolution ±20 (µm)  1 Revolution ±20 (µm)  2 Revolution ±20 (µm)  Total Range ±20 (µm)  Hysteresis  6 (µm)  Measuring  force  1.4 or less (N)  Weight  80 (g)