Description
Measurement parameters
| Part Number |
Measuring range |
Accuracy |
| 290-21-450 |
0-25mm |
0.004mm |
| 290-22-450 |
25-50mm |
0.004mm |
| 290-23-450 |
50-75mm |
0.005mm |
| 290-24-450 |
75-100mm |
0.005mm |
| 290-25-450 |
100-125mm |
0.006mm |
| 290-26-450 |
125-150mm |
0.006mm |
| 290-27-450 |
150-175mm |
0.007mm |
| 290-28-450 |
175-200mm |
0.007mm |
Dimensions
Main dimensions
| Measuring range |
A |
B |
L |
D |
S |
d |
| 0-25mm |
8mm |
32mm |
43mm |
Φ20mm |
0.7mm |
Φ8mm |
| 25-50mm |
8mm |
44.5mm |
68mm |
Φ20mm |
0.7mm |
Φ8mm |
| 50-75mm |
8mm |
57mm |
93mm |
Φ20mm |
0.7mm |
Φ8mm |
| 75-100mm |
10mm |
70mm |
118.5mm |
Φ20mm |
0.7mm |
Φ8mm |
| 100-125mm |
10mm |
82mm |
144mm |
Φ30mm |
0.9mm |
Φ11.5mm |
| 125-150mm |
12mm |
94.5mm |
169.5mm |
Φ30mm |
0.9mm |
Φ11.5mm |
| 150-175mm |
12mm |
107mm |
194.8mm |
Φ30mm |
0.9mm |
Φ11.5mm |
| 175-200mm |
12mm |
120mm |
220mm |
Φ30mm |
0.9mm |
Φ11.5mm |
| 200mm-300mm is the five-key electronic normal line |
| 200-225mm |
15.5mm |
129.5mm |
238mm |
Φ30mm |
0.9mm |
Φ11.5mm |
| 225-250mm |
16mm |
142mm |
263mm |
Φ30mm |
0.9mm |
Φ11.5mm |
| 250-275mm |
16mm |
155mm |
288mm |
Φ30mm |
0.9mm |
Φ11.5mm |
| 275-300mm |
16.5mm |
167.5mm |
313mm |
Φ30mm |
0.9mm |
Φ11.5mm |
Measuring the gear normal
Measuring film thickness
