| GENERAL CHARACTERISTICS | | Lamp Type | | | Bulb | | | Base | GR10Q | | Watts | 21 | | Rated Avg. Life (hrs) | | 3 hours per start | | | 12 hours per start | | | DIMENSIONS | | Norminal Overall Length (inches) (C) | | | Norminal Bulb Diameter (inches) (D) | | | Face to End of Opposing End (inches)) | | Max. (B) | | | Min. (B) | | | Spectral Power Distribution | | | | | | | PHOTOMETRIC CHARACTERISTICS | | Initial Lumens | 1400 | | Mean Lumens | 1300 | | Color Temperature | 4100 K | | Color Rendering Index (CRI) | 82 | | ELECTRICAL CHARACTERISTICS | | Min. Starting Temperature (C) | | | Min. Cathode Resistance Ratio (Rh/Rc) | | | Max. Cathode Resistance Ratio (Rh/Rc) | | | Max. Current Crest Factor | | | Features | | | | Lamp Mortality | | | | Lumen Maintenance | | | |
