Crystal clear. DE-M marked. With red printed scale and ring marks at the primary scale points, calibrated 'In'. The lot certificate supplied bears the batch number and the actual nominal value ascertained under the test conditions. The resulting deviations from the nominal value fall well under the allowed tolerances of class A acc. to DIN 12681 and ISO 6706. With printed batch number and the year of production. Hexagonal base with bottom studs provides high stability. To preserve markings, do not clean at temperatures exceeding 60 °C. Thus, conditionally autoclavable at 121 °C (2 bar) acc. to DIN EN 285. Also available with DAkkS calibration certificate or individual quality certificate.