Jaundice Meter

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Bilitest : device for objective evaluation of hyperbilirubinemia level in newborns using non-invasive transcutaneous method.
The intended use of the Bilitest Hyperbiliruinemia Analyzer is to screen newborn infants for hyperbilirubinemia, including :

• To determine the degree of jaundice and to monitor its dynamics;
• To identify newborn infants whose degree of hyperbilirubinmia indicates that a serum bilirubin test is (is not) necessary;
• To assess the therapy efficiency.

Commonly in newborns bilirubin determination is performed on a forehead near nose or on the upper part of the breast. Only a slight touch of a mobile measuring head to a baby’s derma is needed for measuring. The result is given in international units for transcutaneous bilirubin index (TBI). This index has a high correlation degree with plasma bilirubin concentration (0,92).   
 
Technical Specification :

• Method of measurement – Reflectance bichromatic photometry.
• Light source – Two white light-emitting diodes (LED).
• Detector - Two photocell system.
• Measuring range - 0-50 (in unit of TBI) approximately corresponds to 0-500 μmol/l .
• Optical unaccuracy - <10%.
• Imprecision (CV%) - <2%.
• Correlation between TBI and laboratory values for serum bilirubin levels - more or equal to 0.92
• Readout - Three digits liquid crystal display (LCD).
• Measuring cycle time - ~2 seconds. Between the measuring cycles the device is in a stand-by mode.
• Power source – 3 batteries of AAA (or LR03) type.
• The number of measuring cycles without replacing the batteries (during battery life) - >100,000
• Weight (with batteries) - 150 grams.
• Dimensions Width x Height x Depth - 65x135x35 mm.

Notes :

• Metrological characteristics have been verified by Russian Federation State Commitee for Standartization and Metrology Body on the basis of five Reference Reading Checkers.
• Control Reading Checker's data should be within the limits specified directly on the spots of Checker's installation within the covering.