Maximum Measuring Accuracy
Linear ≤ 0.00012″ (0.003 mm)
Repeatability ≤ 0.000040″ (0.001 mm)
Gage R & R capability ≤10% when
measuring high tolerance bores.
Easy to use 280 Series gages
Cut labor costs, reduce scrap. Fast accurate gaging on the machine with bore tooling in place. Spring-loaded 3-point centering and 2-point measuring. Placing the gage flat against the part allows for non-tipping, no operator influence gaging.
Notable Features
Time saving. Use on the manufacturing machine.
Large adjustable gage range and long contact point travel.
Shop-rugged, fast measurements.
Gage R & R capable, electronic indicator.
Customize standards. Contact Dyer with your application.
280 Series Models and Specifications
| Range
Inch (mm) |
Contact Point
Travel Inch (mm) |
Diameter B Max | Measuring Depth MT | Order No. |
| 1.00–2.75″ (25–70 mm) | 0.098″
(2.5 mm) |
0.236–1.772″ (6–45 mm) | 0.472″ (12mm) | 280-005 |
| 1.38–4.33″
(35–105 mm) |
0.118″
(3.0 mm) |
0.433–2.756″ (11–70 mm) | 0.709″ (18 mm) | 280-010 |
| 3.94–8.27″ (100–210 mm) | 0.138″
(3.5 mm) |
0.787”–5.118″ (20–130 mm) | 1.181″ (30 mm) | 280-015 |
| 3.94–11.02″
(100–280 mm) |
0.138″
(3.5 mm) |
0.787”–5.118″ (20–130 mm) | 1.181″ (30 mm) | 280-020 |
| 7.87–19.68″
(200–500 mm) |
0.138″
(3.5 mm) |
0.787–9.49″ (20–240 mm) | 1.181″ (30 mm) | 280-025 |
