Data Loggers / Signal Conditioning

Once your sensors have collected valuable data, you definitely do not want to lose the data! Instead, the data must be stored safely until transported to the final destination. This is the function of a data logger. A data logger collects and stores (logs) data from sensors into its memory. Data can be transported from the data logger to their destination in many different ways, including GPRS (mobile phone network), an RS232 or USB cable, satellite communication, or by a radio link.

For most logging and transmission applications, our GPRS data loggers are the best choice. If more input flexibility or PLC functionality is required, refer to our modular or PLC data loggers. The signal conditioning units can concentrate several inputs, typically from meteorological sensors, into a single NMEA stream on RS232.

Data from the data loggers or signal conditioning units can either be displayed on one of our displays, or it can be further processed by our advanced OMC-data online software package.

OMC-042 GPRS Data Logger

The OMC-042 GPRS data logger is a small, ultra low power logger with built-in QUAD-band GPRS modem. The logger has an internal temperature sensor and has slots for a 2GB SD card and for a SIM card. It provides seamless interfacing to all meteorological and hydrological sensor from Observator Instruments and many more. It supports RS232/422/485, ModBus, SDI-12, NMEA and so on. Thresholds can be set on all parameters. If a parameter exceeds its threshold, an alarm is generated. Data is transferred by FTP, TCP or email over GPRS. Like all other OMC-04x loggers, the 042 can be configured using the free OMC-Programmer software and a USB cable. Remote configuration over TCP is also possible.

The OMC-042 is available with several housing options:

  • The -01 version has an integrated solar panel
  • The -02 version has an integrated touch screen display
  • The -03 version is suitable for mounting inside the OMC-210 and RIM series tipping bucket rain meters

Features:

  • Four times 4-20 mA inputs
  • Four digital inputs (suitable for pulse counting)
  • One RS-232 or RS-485 port / One RS-232 or SDI-12 port
  • Internal sensors (remaining battery capacity, temperature, signal strength)
  • QUAD-band GPRS-MODEM
  • 2GB SD-CARD
  • 100 mA@3.6V average operating current
  • 250 mA@3.6V average current during data transfer
  • 50 uA@3.6V sleep current
  • 1x 12V@200mA switchable power outlet
  • Data transfer by TCP, FTP, email and Alerts by SMS
  • Configuration using OMC-Programmer or remote
  • Integrated GSM antenna
  • Wide temperature operating range -30°C/+75°C
  • Flexible mounting possibilities (wall/panel/pipe)

For those who want to learn all about the technical details of connecting and configuring the logger, an extensive tutorial video has also been launched: OMC-042 Tutorial.


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