Check flasks, DAkkS calibrated, boro 3.3, class A, with 3 marks, blue graduations

BLAUBRAND^®, DIN EN ISO 1042. Calibrated to contain (TC, IN). DAkkS (former DKD) certificate included. The volumetric flask with 3 marks is used to check the functioning of a dispenser. The mark in the middle shows the nominal volume, the upper and lower marks show the error limits as specified in the table below. If the error limit is exceeded even with repeated measurements, the dispenser is defective. The DAkkS-calibrated volumetric flask does not replace the gravimetric test of the monitoring of measuring instruments according to ISO 8655.