Accoson Greenlight 300 SphygmomanometerProvides a reliable and accurate alternative to the mercury sphygmomanometer manual device with resolution of 2mmHgEasier to read than mercuryCalibrated to 0.4mmHgCarries out an auto calibration to zero each time it is switched onThe cuff deflation rate is displayedAny cuff size suitableFrequent calibration checks not required
