This proficiency test involves the measurement of the inside diameter of plain ring gages in various sizes. There are 3 or four ring gages in each test kit. The rings will be measured at 4 points on each ring for a total of 12 to 16 measurements. You can choose the kit that has the sizes that fit your laboratory’s capabilities.
PRG-101
Testing periods run from Monday to the following Tuesday.
Book Test: PRG-101
Available
Booked
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29 | 30 |
October 2025
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PRG-102
Testing periods run from Monday to the following Tuesday.
Book Test: PRG-102
Available
Booked
| M | T | W | T | F | S | S |
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1 | 2 | 3 | 4 | 5 | 6 | 7 |
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29 | 30 |
October 2025
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20 | 21 | 22 | 23 | 24 | 25 | 26 |
27 | 28 | 29 | 30 | 31 |
PRG-103
Testing periods run from Monday to the following Tuesday.
Book Test: PRG-103
Available
Booked
| M | T | W | T | F | S | S |
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1 | 2 | 3 | 4 | 5 | 6 | 7 |
8 | 9 | 10 | 11 | 12 | 13 | 14 |
15 | 16 | 17 | 18 | 19 | 20 | 21 |
22 | 23 | 24 | 25 | 26 | 27 | 28 |
29 | 30 |
October 2025
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20 | 21 | 22 | 23 | 24 | 25 | 26 |
27 | 28 | 29 | 30 | 31 |