| BRAND | Hellma |
| Product | 666F7-323 |
| Description | Glass filter F7 |
| Internal code | IMP2522305 |
| Weight | 0.2 |
| Technical specification | Filters for checking wavelength accuracy and photometric accuracy (approx. 0.5 - 1.0 Abs). Wavelength accuracy certified for: Wavelengths: 329, 472, 512, 681, 875nm Glitten width: 1nm Photometric accuracy certified for: Wavelengths: 270, 280, 297, 321, 342nm Glitten width: 1nm engraved with serial number Supplied in a high-quality storage box with DAkkS calibration certificate |
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