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Model 5400 Dynamic Scale Deposition Loop System

Model 5400 Dynamic Scale Deposition Loop System

The Chandler Engineering 5400 Dynamic Scale Deposition Loop is a fully automated system which includes the necessary hardware and software to measure and evaluate the performance of scale inhibitors under high temperature and high-pressure conditions.

Dynamic Scale Deposition Loop System

The system consists of a test section of tubing placed within a convection oven providing exceptional temperature uniformity. Samples are pumped through the tubing at known rates while measuring the differential pressure across the test section. Scale formation inside the test section is indicated by an increase in differential pressure. Once the pressure reaches an adjustable threshold value, the test is complete and a pre-programmed clean-up phase automatically begins.

Prior to the test section, two lengths of coiled tubing inside the oven are used to pre-heat the samples to the pre-determined test temperature. A manual set-point back pressure regulator is used to create the sample pressure inside the test section. The fluids are transported through tubing using three HPLC pumps, for anion, cation and scale dissolver. Provisions exist for system flushing through the pumps using water.

All data and test parameters are stored in a .CSV fie ready for analysis and the easy-to-use software is designed to give the operator control over flow rate, test time, fluid selection and temperature of each individual test.

Interested? Get in touch with us here or call +44 (0)1932 732340 and we will be happy to help answer your questions and provide you with further information.


  • Forced Air Convection Oven
  • Removable Sample and Pre-heat Tube Assembly
  • Hastelloy C276 Sample Tubing and Fittings Inside Oven
  • HPLC Sample Injection Pumps
  • High reliability dP transmitter (C276)
  • Sample Injection Scheduling with Automatic Loop Cleanup
  • Microsoft Windows Based Control and Data Acquisition

Pumping system

HPLC Pumps – (3), 316SS wetted components’
Optional HC276 wetted components
Maximum Pressure: 
5,800 PSI (400 bar)
Flow Rate: 9.99 mL/Minute Maximum (Each Pump)
Back Pressure Regulator: 0 – 5800 PSI (400 bar),
Optional HC276 wetted parts
Pressurized Sample Bottles
Safety Relief Valve

Convection Oven
Temperature Range: 572°F / 300°C Maximum
Test Section Lengths – 3-ft and 10-ft, Interchangeable
CE and NRTL Compliant oven and HPLC pumps


Power Requirements:
208 – 240 VAC, 50 or 60 Hz, 10A
Computer: 115/230 VAC 50/60 Hz, <1A
Dimensions: (w x d x h): 56-inch x 23-inch x 25-inch (not including computer)

* Manufacturer’s specifications subject to change without notice.

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