Winters Instruments part numbers starting PTG
| PTG3999 | Test gauge | Winters Instruments | ||
| PTG4000 | Test gauge | Winters Instruments | ||
| PTG4001 | Test gauge | Winters Instruments | ||
| PTG4002 | Test gauge | Winters Instruments | ||
| PTG4003 | Test gauge | Winters Instruments | ||
| PTG4004 | Test gauge | Winters Instruments | ||
| PTG4005 | Test gauge | Winters Instruments | ||
| PTG4006 | Test gauge | Winters Instruments | ||
| PTG4007 | Test gauge | Winters Instruments | ||
| PTG4008 | Test gauge | Winters Instruments |