... , Fixed time, Differential, Absorbance Multi-standard Light source: 6v/10w Halogen Lamp, life Span>3000 hours Standard filter: 340nm, 405nm, 505nm, 546nm ... : 1cm Cross contamination rate: ≤1% Temperature control: 25°C, 30°C, 37°C, ±0.1°C and be controlled by peliter Language: English or ...