CALL: A.WIHARTA 081294124885 085778084789 087784022201   Info Produk IP67 Waterproof and Dustproof - Cleaning and maintenance is simple. It floats! : : Automatic Push-Button Calibration ( 4 points) for unprecedented full-range accuracy : : Sturdy Carrying Kit complete with 4 calibration standards, 3 empty cuvettes, batteries and comprehensive instruction manual : : Power-saving feature allows over 1200 measurements to be taken with a single set of AAA alkaline batteries : : Large Easy-to-Read Display for optimum viewing of measurements with user-friendly message codes for easy troubleshooting : : Meets Performance Criteria as specified by ISO 7027 ( DIN EN 27027) method The microprocessor-based waterproof TN100 meter is an easy-to-use turbidimeter that meets the rigor of rugged field applications. It is a " must -have" for anyone monitoring turbidity on the go. Using an Infrared light source, it delivers laboratory accuracy with a resolution of 0.01 NTU across an extended range of up to 20 NTU ( Nephelometric Turbidity Units) .