M50series General Purpose-Standardized EUROPE Hydrometers ISO 649-NF B 35511-BS 718-DIN 12791 at 20°C.
The hydrometer scale is marked with the standard, the calibration temperature, the surface tension, the individual number of the instrument, the serial number and the AllaFrance logo.
A reference mark is engraved on the stem to show any shift of the scale.
Graduated in g/ml , Division ± 0.001 g/ml , Accuracy ± 0.001 g/ml and Temperature Calibration in 20°C.
Reading below meniscus.
Each item is supplied with a Certificate of Conformity (COC), and packed in an individual telescopic square case.