Contrec 515–BT01 Dual Stage Batch Controller with Temperature Compensation

Part Number: Contrec 515–BT01 Category:

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Contrec 515 Series with BT01 application is a secure dual stage batch controller for reliable and accurate delivery of preset quantities of petroleum and other products. The frequency flow input can accept a quadrature signal for ISO 6551 level B pulse security. The temperature and/or density inputs allow for volume correction to reference conditions.

The instrument can be set to prompt for a valid ID-Tag and/or a Permissive input before a delivery can be commenced. The ID-Tag number is stored as a part of the logged transaction record and can be used to link deliveries to external databases.

A selection of fluid types include a range of crude and refined petroleum fluids. Temperature compensation for other general fluids is also available via thermal expansion coefficient or a user defined table.


The gross volume total and flow rate are derived from accurately measured frequency and the number of recieved pulses.
Volume = pulses/k-factor
Volume flow = frequency/k-factor

The volume correction calculations are based on the ASTM D1250-04 and API Table 54 standard for the following products:

Crude Oils
Lube Oils
Refined Products
Light Hydrocarbon Liquids (LPG)
Volume correction for other fluids can be calculated by the following means:

General Coefficient of Expansion
Preprogrammed User Table

  • Volume correction for petroleum products, general and user-defined fluids
  • Accepts temperature and/or density inputs for volume correction
  • Allows quadrature flow input to ISO 6551 level B pulse security
  • Allows batching on Gross, Net, or Mass total
  • Single or Dual stage control
  • Preset, manual On-Off modes or upload modes
  • Easy access to batch and density presets
  • No-flow, leakage and overflow error detection
  • Allows for permissive with prompt
  • ID Tag Validation, security and storage
  • Allows for non-linear correction
  • Storage of 1000 transactions with time and date stamp
  • Selection of second language and user tags
  • Selectable protocols on serial ports including Modbus RTU and Printer output
  • Backlit display with LCD backup

Datasheet: Contrec 515 – BT01 Datasheet
Instruction Manual: Contrec 515 – BT01 Instruction Manual

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