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Controllers by Series

100 Series 200 Series 400 Series 515 Series Trac-50 LoadPro® Accessories

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Accessories

Batch Controllers

- Batch/Additive Controllers

- Batch/Flow Controllers

- Batch/Ratio Controllers

- Standard Batch Controllers

Density Computers

Flow Computers

- General Flow Computers

- General Gas Flow Computers

- Heat Calculators

- Mass Flow Computers

- Master Proving Flow Computers

- Natural Gas Flow Computers

- Open Channel Flow Computers

- Special Application Flow Computers

- Steam Flow Computers

Flow Rate Totalisers

- Hazardous Area Flow Rate Totalisers

- Safe Area Flow Rate Totalisers

Level IndicatorsLoad ControllersProcess IndicatorsSite AccessTruck Registers

Products by Industries

AviationBarge & Rail TransportBiofuels ProductionChemical & PharmaceuticalFood & BeverageFuel DepotGas Storage & DistributionMineral MiningNuclearOil & GasOil RefineryPower/EnergyWater & Waste Treatment

Downloads

EU Declarations of Conformity Hazardous Area Approvals Contrec Quality Certificates Technical Notes Software Downloads Other

Flow Computers for Accurate Industrial Flow Measurement

Contrec’s flow computers are designed to deliver precise flow measurement, monitoring, and control for a wide range of industrial applications. Our advanced systems accurately measure the flow of liquids, gases, and steam, ensuring reliable data for critical processes. Engineered for performance and flexibility, these industrial controllers support real-time calculations, data logging, and system integration, helping you improve efficiency, reduce waste, and maintain compliance with industry standards. Ideal for industries such as energy, oil & gas, water treatment, and manufacturing, Contrec flow computers provide dependable and scalable solutions for even the most demanding environments. Key features include:
  • High-accuracy flow rate and totalisation
  • Support for steam, gas, and liquid flow measurement
  • Advanced data logging and reporting
  • Integration with SCADA and control systems
  • Robust design for industrial environments
 

For more information on Contrec's Flow Computers, please complete and submit our enquiry form.

212 – Heat Calculator

Typical plant diagram

212 – Heat Calculator Diagram
212 – Heat Calculator

212 – Heat Calculator

515-CS02 – Condensate & Steam Flow Computer

Typical plant diagram

515-CS02 – Condensate & Steam Flow Computer Diagram
515-CS02 – Condensate & Steam Flow Computer

515-CS02 – Condensate & Steam Flow Computer

515-CS12 – Condensate & Steam Flow Computer

Typical plant diagram

515-CS12 – Condensate & Steam Flow Computer Diagram
515-CS12 – Condensate & Steam Flow Computer

515-CS12 – Condensate & Steam Flow Computer

515-DG01 – Density Coverter (Gas)

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515-DG01 – Density Coverter (Gas) Diagram
515-DG01 – Density Coverter (Gas)

515-DG01 – Density Coverter (Gas)

515-DG02 – Density Converter

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515-DG02 – Density Converter Diagram
515-DG02 – Density Converter

515-DG02 – Density Converter

515-FA01 – Add/Subtract, 2-Channel Input (Volume)

Typical plant diagram

515-FA01 – Add/Subtract, 2-Channel Input (Volume) Diagram
515-FA01 – Add/Subtract, 2-Channel Input (Volume)

515-FA01 – Add/Subtract, 2-Channel Input (Volume)

515-FA02 – Add/Subtract, 2-Channel Input (Mass)

Typical plant diagram

515-FA02 – Add/Subtract, 2-Channel Input (Mass) Diagram
515-FA02 – Add/Subtract, 2-Channel Input (Mass)

515-FA02 – Add/Subtract, 2-Channel Input (Mass)

515-FA03 – Add/Subtract, 2-Channel Input (Energy)

Typical plant diagram

515-FA03 – Add/Subtract, 2-Channel Input (Energy) Diagram
515-FA03 – Add/Subtract, 2-Channel Input (Energy)

515-FA03 – Add/Subtract, 2-Channel Input (Energy)

515-FC01 – Single Channel

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515-FC01 – Single Channel Diagram
515-FC01 – Single Channel

515-FC01 – Single Channel

515-FC03 – Mass Flow

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515-FC03 – Mass Flow Diagram
515-FC03 – Mass Flow

515-FC03 – Mass Flow

515-FN01 – Frequency Input Net Oil (Mass)

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515-FN01 – Frequency Input Net Oil (Mass) Diagram
515-FN01 – Frequency Input Net Oil (Mass)

515-FN01 – Frequency Input Net Oil (Mass)

515-FP01 – Petroleum Consumption Flow Computer – 2 Channel Frequency Flow

Typical plant diagram

515-FP01 – Petroleum Consumption Flow Computer – 2 Channel Frequency Flow Diagram
515-FP01 – Petroleum Consumption Flow Computer – 2 Channel Frequency Flow

515-FP01 – Petroleum Consumption Flow Computer – 2 Channel Frequency Flow

515-FP02 – Petroleum Consumption Flow Computer – 2 Channel Analogue Flow

Typical plant diagram

515-FP02 – Petroleum Consumption Flow Computer – 2 Channel Analogue Flow Diagram
515-FP02 – Petroleum Consumption Flow Computer – 2 Channel Analogue Flow

515-FP02 – Petroleum Consumption Flow Computer – 2 Channel Analogue Flow

515-FP03 – Petroleum Consumption Flow Computer – Quadrature Input

Typical plant diagram

515-FP03 – Petroleum Consumption Flow Computer – Quadrature Input Diagram
515-FP03 – Petroleum Consumption Flow Computer – Quadrature Input

515-FP03 – Petroleum Consumption Flow Computer – Quadrature Input

515-GC01 – Ideal Gas Computer – Quadrature Input

Typical plant diagram

515-GC01 – Ideal Gas Computer – Quadrature Input Diagram
515-GC01 – Ideal Gas Computer – Quadrature Input

515-GC01 – Ideal Gas Computer – Quadrature Input

515-GC02 – Ideal Gas Computer – Analogue Flow

Typical plant diagram

515-GC02 – Ideal Gas Computer – Analogue Flow Diagram
515-GC02 – Ideal Gas Computer – Analogue Flow

515-GC02 – Ideal Gas Computer – Analogue Flow

515-GC03 – Ideal Gas Computer – DP Meter (Meter Span)

Typical plant diagram

515-GC03 – Ideal Gas Computer – DP Meter (Meter Span) Diagram
515-GC03 – Ideal Gas Computer – DP Meter (Meter Span)

515-GC03 – Ideal Gas Computer – DP Meter (Meter Span)

515-GC04 – Ideal Gas Computer – DP Meter (ISO/Cone)

Typical plant diagram

515-GC04 – Ideal Gas Computer – DP Meter (ISO/Cone) Diagram
515-GC04 – Ideal Gas Computer – DP Meter (ISO/Cone)

515-GC04 – Ideal Gas Computer – DP Meter (ISO/Cone)

515-GC06 – Ideal Gas Computer – DP Meter (Volumetric Span)

Typical plant diagram

515-GC06 – Ideal Gas Computer – DP Meter (Volumetric Span) Diagram
515-GC06 – Ideal Gas Computer – DP Meter (Volumetric Span)

515-GC06 – Ideal Gas Computer – DP Meter (Volumetric Span)

515-GN01 – Natural Gas Flow Computer (Frequency Input)

Typical plant diagram

515-GN01 – Natural Gas Flow Computer (Frequency Input) Diagram
515-GN01 – Natural Gas Flow Computer (Frequency Input)

515-GN01 – Natural Gas Flow Computer (Frequency Input)

515-GN02 – Analogue Input, Natural Gas

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515-GN02 – Analogue Input, Natural Gas Diagram
515-GN02 – Analogue Input, Natural Gas

515-GN02 – Analogue Input, Natural Gas

515-GN03 – DP Meter (Mass), Natural Gas

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515-GN03 – DP Meter (Mass), Natural Gas Diagram
515-GN03 – DP Meter (Mass), Natural Gas

515-GN03 – DP Meter (Mass), Natural Gas

515-GN04 – DP Meter (ISO/Cone), Natural Gas (AGA-8)

Typical plant diagram

515-GN04 – DP Meter (ISO/Cone), Natural Gas (AGA-8) Diagram
515-GN04 – DP Meter (ISO/Cone), Natural Gas (AGA-8)

515-GN04 – DP Meter (ISO/Cone), Natural Gas (AGA-8)

515-GN05 – DP Meter (AGA-8), Natural Gas (AGA-8)

Typical plant diagram

515-GN05 – DP Meter (AGA-8), Natural Gas (AGA-8) Diagram
515-GN05 – DP Meter (AGA-8), Natural Gas (AGA-8)

515-GN05 – DP Meter (AGA-8), Natural Gas (AGA-8)

515-GN06 – DP Meter (Volumetric Span), Natural Gas (AGA-8)

Typical plant diagram

515-GN06 – DP Meter (Volumetric Span), Natural Gas (AGA-8) Diagram
515-GN06 – DP Meter (Volumetric Span), Natural Gas (AGA-8)

515-GN06 – DP Meter (Volumetric Span), Natural Gas (AGA-8)

515-GN11 – (SGERG) Quadrature Input, Natural Gas (AGA-8)

Typical plant diagram

515-GN11 – (SGERG) Quadrature Input, Natural Gas (AGA-8) Diagram
515-GN11 – (SGERG) Quadrature Input, Natural Gas (AGA-8)

515-GN11 – (SGERG) Quadrature Input, Natural Gas (AGA-8)

515-GN12 – (SGERG) Analogue Flow, Natural Gas (AGA-8)

Typical plant diagram

515-GN12 – (SGERG) Analogue Flow, Natural Gas (AGA-8) Diagram
515-GN12 – (SGERG) Analogue Flow, Natural Gas (AGA-8)

515-GN12 – (SGERG) Analogue Flow, Natural Gas (AGA-8)

515-GN13 – (SGERG) DP Meter (Mass Span), Natural Gas (AGA-8)

Typical plant diagram

515-GN13 – (SGERG) DP Meter (Mass Span), Natural Gas (AGA-8) Diagram
515-GN13 – (SGERG) DP Meter (Mass Span), Natural Gas (AGA-8)

515-GN13 – (SGERG) DP Meter (Mass Span), Natural Gas (AGA-8)

515-GN14 – (SGERG) DP Meter (ISO/Cone), Natural Gas (AGA-8)

Typical plant diagram

515-GN14 – (SGERG) DP Meter (ISO/Cone), Natural Gas (AGA-8) Diagram
515-GN14 – (SGERG) DP Meter (ISO/Cone), Natural Gas (AGA-8)

515-GN14 – (SGERG) DP Meter (ISO/Cone), Natural Gas (AGA-8)

515-GN16 – (SGERG) DP Meter (Volume Metric), Natural Gas (AGA-8)

Typical plant diagram

515-GN16 – (SGERG) DP Meter (Volume Metric), Natural Gas (AGA-8) Diagram
515-GN16 – (SGERG) DP Meter (Volume Metric), Natural Gas (AGA-8)

515-GN16 – (SGERG) DP Meter (Volume Metric), Natural Gas (AGA-8)

515-HC01 – Heat Calculator – Frequency Flow (Volume)

Typical plant diagram

515-HC01 – Heat Calculator – Frequency Flow (Volume) Diagram
515-HC01 – Heat Calculator – Frequency Flow (Volume)

515-HC01 – Heat Calculator – Frequency Flow (Volume)

515-HC02 – Heat Calculator – Analogue Flow (Volume)

Typical plant diagram

515-HC02 – Heat Calculator – Analogue Flow (Volume) Diagram
515-HC02 – Heat Calculator – Analogue Flow (Volume)

515-HC02 – Heat Calculator – Analogue Flow (Volume)

515-HC03 – Heat Calculator – DP Meter (Mass Span)

Typical plant diagram

515-HC03 – Heat Calculator – DP Meter (Mass Span) Diagram
515-HC03 – Heat Calculator – DP Meter (Mass Span)

515-HC03 – Heat Calculator – DP Meter (Mass Span)

515-HC04 – Heat Calculator for stacked DP meters (ISO 5167 and V-Cones)

Typical plant diagram

515-HC04 – Heat Calculator for stacked DP meters (ISO 5167 and V-Cones) Diagram
515-HC04 – Heat Calculator for stacked DP meters (ISO 5167 and V-Cones)

515-HC04 – Heat Calculator for stacked DP meters (ISO 5167 and V-Cones)

515-HC06 – Heat Calculator – DP Meter (Volumetric Span)

Typical plant diagram

515-HC06 – Heat Calculator – DP Meter (Volumetric Span) Diagram
515-HC06 – Heat Calculator – DP Meter (Volumetric Span)

515-HC06 – Heat Calculator – DP Meter (Volumetric Span)

515-HC12 – Heat Calculator – Analogue Flow (Mass)

Typical plant diagram

515-HC12 – Heat Calculator – Analogue Flow (Mass) Diagram
515-HC12 – Heat Calculator – Analogue Flow (Mass)

515-HC12 – Heat Calculator – Analogue Flow (Mass)

515-MP01 – Mass Flow with Master Proving

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515-MP01 – Mass Flow with Master Proving Diagram
515-MP01 – Mass Flow with Master Proving

515-MP01 – Mass Flow with Master Proving

515-MP02 – Frequency with Master Proving

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515-MP02 – Frequency with Master Proving Diagram
515-MP02 – Frequency with Master Proving

515-MP02 – Frequency with Master Proving

515-PP01 – Pressurised Petroleum

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515-PP01 – Pressurised Petroleum Diagram
515-PP01 – Pressurised Petroleum

515-PP01 – Pressurised Petroleum

515-SC01 – Steam Flow Computer – Frequncy Input

Typical plant diagram

515-SC01 – Steam Flow Computer – Frequncy Input Diagram
515-SC01 – Steam Flow Computer – Frequncy Input

515-SC01 – Steam Flow Computer – Frequncy Input

515-SC02 – Steam Flow Computer – Analogue Input

Typical plant diagram

515-SC02 – Steam Flow Computer – Analogue Input Diagram
515-SC02 – Steam Flow Computer – Analogue Input

515-SC02 – Steam Flow Computer – Analogue Input

515-SC03 – Steam Computer – Volume, Mass & Energy

Typical plant diagram

515-SC03 – Steam Computer – Volume, Mass & Energy Diagram
515-SC03 – Steam Computer – Volume, Mass & Energy

515-SC03 – Steam Computer – Volume, Mass & Energy

515-SC04 – Steam Computer – DP Meter (ISO/Cone)

Typical plant diagram

515-SC04 – Steam Computer – DP Meter (ISO/Cone) Diagram
515-SC04 – Steam Computer – DP Meter (ISO/Cone)

515-SC04 – Steam Computer – DP Meter (ISO/Cone)

515-SC05 – Steam Computer – DP Meter (AGA-3)

Typical plant diagram

515-SC05 – Steam Computer – DP Meter (AGA-3) Diagram
515-SC05 – Steam Computer – DP Meter (AGA-3)

515-SC05 – Steam Computer – DP Meter (AGA-3)

515-SC06 – Steam Computer – DP Meter (Volumetric)

Typical plant diagram

515-SC06 – Steam Computer – DP Meter (Volumetric) Diagram
515-SC06 – Steam Computer – DP Meter (Volumetric)

515-SC06 – Steam Computer – DP Meter (Volumetric)

Contrec 425 – Mass Flow Computer

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Contrec 425 – Mass Flow Computer Diagram
Contrec 425 – Mass Flow Computer

Contrec 425 – Mass Flow Computer

Open Channel Flow Computers for Accurate Level & Flow Measurement – 515-OC01

Typical plant diagram

Open Channel Flow Computers for Accurate Level & Flow Measurement – 515-OC01 Diagram
Open Channel Flow Computers for Accurate Level & Flow Measurement – 515-OC01

Open Channel Flow Computers for Accurate Level & Flow Measurement – 515-OC01

For more information on Contrec's control solutions, please complete and submit our enquiry form.

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Worldwide Sales Offices

European, Middle East and UK

+44 (0) 1422 829944

[email protected]

Sales Director: Craig Naylor – [email protected]

Sales and General Enquiries – [email protected]

Marketing: Lucy Wood – [email protected]

Americas and Canada Sales

+1 205 685 3000

+1 205 685 3001

[email protected]

General Enquiries – [email protected]

Australia and Asia Sales

+61 (0) 0413 505 114

[email protected]

Managing Director: Paul Chaston – [email protected]

Enquiry Form

























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              European, Middle East and UK

              Contrec Limited

              Unit G8, Navigation Close

              Lowfields Business Park

              Elland, West Yorkshire

              HX5 9HB

              United Kingdom.

              +44 (0) 1422 829944 [email protected]

              Sales Director: Craig Naylor

              [email protected]

              Sales and general enquiries

              [email protected]

              Marketing: Lucy Wood

              [email protected]
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              Americas and Canada Sales

              Contrec USA

              916 Belcher Drive

              Pelham, Alabama, 35124

              United States.

              +1 205 685 3000 +1 205 685 3001 [email protected]
              X

              Australia and Asia Sales

              Contrec Systems Pty Ltd

              5 Norfolk Ave, Ringwood

              Melbourne, Victoria, 3134

              Australia.

              +61 (0) 0413 505 114 [email protected]

              Managing Director: Paul Chaston

              [email protected]
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