| Product Name：Luminous intensity standard lamp~ WI41/G |
| Features： |
The WI41/G lamp provides approx. 250 cd in luminous intensity at a color temperature of 2856 kelvin (illuminant A), which is recognized as the reference color temperature for photometers. A special socket is used to provide reproducible positioning of the lamp, e.g. on an optical bench or a goniometer sample table.
- Luminous intensity of approx. 250 cd at 2856 kelvin (illuminant A)
- Rated voltage 31 V (maximum), rated current 6 A
- PTB calibration certificate
- Measuring uncertainty of calibration according to PTB calibration certificate approx. 0.6%
- Recommended calibration interval: 6 hours operating time or 2 years
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