Digital refractometer J57AB

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Refractometers for Measurement of Urea Concentration for Diesel Engine Additives Standards Designed in accordance with DIN 70071 / ISO 22241-2 Basic operation The J57AB is a sub model of the J57HA and most details on the Technical Bulletin 941 apply; the J157AB is a sub model of the J157 and most details on Technical Bulletin 940 apply. The differences between the AB and the standard models are: Temperature Both instruments have improved temperature performance to better than 0.02oC, meeting the requirements of DIN 70071 / ISO 22241-2 Scale (Part number 30593-2) The J57AB displays results in refractive index or % Urea. The J157AB allows a user to change the calculation of Urea by changing the f number or by entering the Biruret. Optional accessories Both the J57AB and J157AB can export data to a USB stick or strip printer The J157AB is fully networkable and can be connected to: – Network Printer – Autosampler – Barcode Reader