 |
 |
| F2, F3, F4 for VIS range |
F7 for UV range |
|
| 產品規格 |
|
| Model |
F2 |
F3 |
F4 |
F7 |
| Description |
Neutral density glass filters |
Didymium glass filter |
| Used range |
Checking the photometric accuracy (absorbance)
in the visible range (440 nm to 635 nm) |
UV region (270 nm to 340 nm) |
| Material |
NG 11, SCHOTT |
NG 5, SCHOTT |
NG 4, SCHOTT |
Glass BG 36 |
| Regulatory |
USP, ASTM |
|
| 產品特色 |
|
二級標準品, 用於光譜儀吸收值校正; 可追溯至NIST, 符合USP規範
|
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| 相關產品 |
|
|
| 波長校正標準濾片 |
| WL Calibration Standards |
| 光譜儀波長校正用 |
|
|
|
|
F2, F3, F4
F7
