Testo 420
Purchase a testo 420 between 6/1/2018 and 9/1/2018 and register for free NIST re-calibration available within 2 years of purchase.
Product Registration
Digital Manifold Warranty Registration Info
| Product | Warranty | Extended Warranty with Registration |
| 549 | 2 year | 3 year |
| 550 with BT | 2 year | 3 year |
| 550 w/o BT | 2 year | 1 year |
| 552 | 2 year | 1 year |
| 557 with BT | 2 year | 3 year |
| 557 w/o BT | 2 year | 1 year |
| 570 | 2 year | 1 year |
350 Emissions Analyzer
Click here to register your testo 350
Testo Instrumentation Registration