IN-RTB - Flow Rate Indicator and Batching Controller with relay output options:

Product Specifications:

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The IN-RTB controller is the ideal solution for a variety of flow rate and batching applications. This controller, with four relay outputs, has been designed for ease of use, with intuitive, scrolling text prompts that guide you step-by-step through the setup process. The front panel includes two rows of 6-digits and five front-panel buttons, for simple operator interface. The dual display allows you to view total and flow rate simultaneously. Up to four relay outputs, an analogue output and/or an RS485/RS232 serial port can also be added.


  • Dual 6 Digit LED Displays.
  • View Flow Rate & Total simultaneously.
  • Inputs: 0~30V, magnetic pickup, NPN, PNP, TTL, Namur.
  • 5 Set Points annunciator LED’s.
  • Analogue Output Retransmission option.
  • Serial RS485/RS232 port option with Modbus RTU.
  • Simple setup and calibration.
  • On Screen Step by Step Instructions.
  • 5 Buttons for easy Operator Interface.
  • Wide Range Power Supply options from 10V to 265V.
  • Excitation supply 24Vdc.

Ordering Information:

IN-RTB-X Standard calibration Flow Rate and Batching Controller; 4x 5A relay outputs, 85~265Vac / 95~370Vdc Power supply.

IN-RTB ordering table