Photometers AL200 Series. The AL200 series of photometers represent a range of multi parameter instruments (with the exception of the COD variant). Combinations of a variety of parameters are pre programmed in the instruments. Except where indicated the instruments are supplied with all the necessary reagents as standard. Each photometer is delivered ready to use in a sturdy carrying case with all the required accessories. The backlit LC Display can be activated via a single key press. The InfraRed Interface Module (IRIM) enables data to be sent to a computer or directly to a printer. Key Features: Waterproof (as defined in IP68) 1 hr at 0.1 m. Automatic switch off Real time clock and date. Calibration mode. Storage function. InfraRed Interface Module (IRIM). Scroll memory. One time zero function. High-quality interference filter technology Specifications. Measurement cycle: Display: approx. 3 seconds (method dependent) LCD Optics: Temperature compensated LED and photosensor intensifier in a waterproof sample chamber Keyboard: 4-key polycarbonate film splashproof Dimensions (L x W x H): 190 x 110 x 55 mm.