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Observator 100 years

OMC-048 Scriptable Data Logger

This versatile data logger is the successor of the successful OMC-045-3 data logger. It offers a large number of inputs and outputs, including SDI-12, RS232/422/485, ModBus and analog. The OMC-048 uses the latest technology and includes a powerful processor, as well as a state-of-the-art 4G LTE-M and NB1 (NB-IoT) worldwide modem with a GPRS fallback, establishing a connection to the cellular network.

The OMC-048 uses secure communication (TLS) in order to connect to the cloud.  Separate servers can be used for data transfer and remote configuration.

Thanks to the availability of a large collection of input and output drivers, it is possible to configure the logger for many sensors and other peripherals, by simply editing a small text file. No programming needed. However, users with programming experience can modify the existing code or add their own Python code.

The logger is widely used in meteorological and hydrological stations, including data buoys like the OMC-7006. In fact, the logger can be used for all kinds of monitoring applications.



OMC-048 scriptable data logger in combination with:

  • OMC-7012 data buoys to get insight into conductivity figures in the river Lek. Read more.
  • Exo multiparameter sondes to transfer water quality data to external servers. Read more.
  • a nitrate sensor and a GPS (GNSS) sensor to record nitrate levels in small channels and ditches. Read more.
  • an OMC-7006 data buoy for turbidity monitoring during dredging and land reclamation projects. Read more.
  • measurement poles to analyse salt ingress. Read more.



  • Large number of flexible I/O.
  • Highly flexible and configurable.
  • Integrated 4G cellular modem for LTE-M and NB1 (NB-IoT).
  • Secure communication (TLS).
  • Remote configuration and remote control.
  • Supply voltage nominal 12 V to 24 V (min 9V, max 32V).
  • Width x depth x height: 177 x 105,5 x 50 mm.
  • Weight: 410 g.
  • Nano SIM card and 32 GB micro SD card.

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