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Product Features : : 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) . Specifications Product Specification Description Principle of Operation Nephelometric non-ratio ( conformance to ISO 7027 and DIN EN 27027) Turbidity Range 0 to 1000 NTU Resolution 0.01 NTU ( 0 to 19.9 NTU) 0.1 NTU ( 20.0 to 99.9 NTU) 1 NTU ( 100 to 1000 NTU) Accuracy ± 2% of reading ± 1 LSD for 0 to 500 NTU ± 3% of reading ± 1 LSD for 501 to1000 NTU Repeatability ± 1% of reading or ± 0.01 NTU No. of Calibration Points 4 points ( automatic) Response Time 1, 000, 000 tests Light Source Infrared-emitting diode ( 850nm wavelength) Special Functions Auto-Ranging; Self-diagnostic Power Requirements 4 x 1.4V batteries, > 200 hours
