a device capable of capturing information and recording it as it occurs, for example, recording minute-by-minute changes in air pollution or room temperature
any instrument for making a recording, either continuously or intermittently, of the successive values of a number of different physical quantities
The following codes shall be used for the samplers for meteorology: 10: manual reading 20: mechanical recording 30: paper recording 40: digital recording (stand alone) 50: digital recording (integrated datalogger).
