Download compliance and type approval documentation for your HBK 2255 Sound Level Meter.
| Country | Certification | Type Approvals |
| Europe | RED-CE-RoHS2 | 2255 National Approval EU RED-CE-RoHS2 20190529 |
| Country | Approver | File | Firmware | Date |
| Canada | ISED | 2255 Type Approval Canada ISED | 2026.08.19 | |
| Czech Republic | CMI | 2255 Type Approval Czech Republic CMI IEC 61672 | 1.2.0.1151 | 2023.01.25 |
| France | LNE | 2255 Type Approval France LNE 38713-0 | 2024.07.19 | |
| Germany | PTB | 2255 Type Approval Germany PTB Rev1 | 1.3.0.478 | 2026.03.31 |
| Spain | CEM | 2255 Type Approval Spain CEM WELMEC | 1.3.0.478 | 2026.08.27 |
Learn more: Type Approved 2255 Firmware
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