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400 Series

400 Series

Field proven in thousands of applications worldwide, the Contrec 400 Series instruments provide flexible flow and batch control solutions for a wide range of applications.

Compatible with virtually every kind of flow meter, the Contrec 400 Series range of flow computers and batch controllers can accept both frequency or analog type flow signals, including signals from differential pressure devices. A wide range of output functions and compensation techniques are available to handle most flow applications, including liquid, gas and steam measurement. Incorporating the latest surface mount technology and electronic, components, the new 424 batch controller and 425 flow computer have evolved to meet the ever changing needs of the process industry. Fully field programmable, the 400 Series has a range of flexibility that enables instruments to be configured on site to meet specific installation requirements. Maintaining all the best features of the existing 400 series including: • Large LCD display • Simple 4 button operation • Easy to program and operate • End of batch and pump control output • Remote start/stop/reset control • Auto overrun and flow alarm features • Rugged reliability • Panel, Field or Explosion-Proof mounting Now the 424 and 425 models also come with the following features AS STANDARD: • Adjustable ‘white’ backlight • Tactile keypad for improved operator interaction • RS232 & RS485 Communications • Custom Ticket Printer Header • Hi & Lo Flow Alarms (425 only) • Fast response relays for high speed batching • Software configurable input type • Universal Mains Power Supply (AC or DC) • Green, Red and Orange LED status lamps Compatible with virtually any type of pulse or frequency generating flow meters including Turbine, Positive Displacement, Coriolis, Magnetic and Ultrasonic, the Contrec 400 series is fully configurable to display and control in any volumetric or mass engineering units. Additionally, having a large LCD backlit displays ensures operators can clearly see what’s happening even in dimly lit installations, whilst the large tactile pushbuttons permit operation using gloved hands, for example in food factories or during tanker loading applications. Finally, the instruments come fitted with both RS232 and RS485 communication outputs. These allow the instruments to be monitored and/or controlled remotely from the control room. Additionally they also allow a ticket printer to be connected directly to the device. Many different types of ticket printer are suitable for connection to the 424 and 425. In addition to printing the process data, you can print your custom headers* at the top of each ticket to signify company name, product name, emergency telephone number etc. (*must be factory configured). With thousands of instruments installed worldwide, Contrec provide accurate and reliable batch and flow solutions you can count on.

For more information on Contrec's 400 Series, please complete and submit our enquiry form.

424 – Batch Controller

Typical plant diagram

424 – Batch Controller Diagram
424 – Batch Controller

424 – Batch Controller

434 – Batch Controller – Frequency Input/Numeric Keyboard

Typical plant diagram

434 – Batch Controller – Frequency Input/Numeric Keyboard Diagram
434 – Batch Controller – Frequency Input/Numeric Keyboard

434 – Batch Controller – Frequency Input/Numeric Keyboard

Contrec 425 – Mass Flow Computer

Typical plant diagram

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

Contrec 425 – Mass Flow Computer

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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]
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              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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