Contrec 515-MP01 Mass Flow Computer with Master Proving

Part Number: Contrec 515–MP01 Categories: ,

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Contrec 515 Series with MP01 application measures the mass flow of a product. The instrument uses the frequency output from a mass flowmeter and has an additional “master meter” input and Meter Factor for in-line proving.

The master meter input allows an “on the fly” proving run to be carried out against the line meter without interrupting the flow. A recommended
Meter Factor is calculated and can be entered to ensure accurate measurement for current flow conditions or to cater for a slight deterioration in the line meter.

The flow computer maintains the Line flowrate and total independently of the proving totals. Proving runs can be controlled via the RTU Modbus
communications or via rear panel
logic inputs.


The Meter Factor (MF) is multiplication correction factor used for the line meter. It is applied to each total and rate sample, as they are collected, to obtain the correct value.

mass = MF × (pulses / k-factor)

The flow rate is derived from an accurately measured frequency:

flow = MF × (frequency / k-factor)

Product Highlight

  • Provides “on the fly” proving
  • Remote Modbus or rear panel control
  • Tailored for mass frequency flow and master meter inputs
  • Allows for non-linear correction
  • Selection of second language and user tags
  • RTC logging with over 1000 entries
  • Infra-red communications port on front panel
  • Pulse width and scaling of pulse output
  • 4-20mA retransmission
  • Selectable protocols on serial ports including Modbus RTU and Printer output
  • Front panel adjustment of 8-24V DC output voltage
  • Backlit display
  • LCD Backup

Datasheet: Contrec 515 – MP01 Datasheet

Instruction Manual:  Contrec 515 – MP01 Instruction Manual

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