Request InfoGigahertz-Optik GmbHThe BN-LH250 250-W halogen lamp from Gigahertz-Optik is an alternative to the 1000W FEL and DXW type calibration standard lamp. Short-term and long-term stability is achieved because of its highly stable filament. The lamp’s quartz envelope is frosted for a more uniform radiation pattern. The BN-LH250 includes a lamp base that fixes the lamp securely in position with electrical connection made via two laboratory grade sockets. A protective cover with a transparent cross-hair target enables the precise and reproducible alignment and positioning in the calibration setup. 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