MODEL #H6311 Torsion Test Demonstrator The Hampden Model H6311 Torsion Test Demonstrator allows the student to examine the torquetransmitting behavior of various materials such as aluminum, steel and copper. The relationship between torque and angle of twist can be examined. The behavior of specimens made of the same materials, but of different geometric cross sections, can be compared. Maximum torsional shearing stress of specimens can be calculated using strain gauges. 
MODEL #H6535 Hydrostatics Bench The Hampden Model H6535 Hydrostatics Bench consists of an assortment of apparatus needed for experiments into the properties of fluids and hydrostatics. 
MODEL #H65357 Viscosity Demonstrator The Hampden Model H65357 Viscosity Demonstrator provides the student with the means to perform experiments in the measure of viscosity. The application of shear stress to a fluid results in the continual and permanent distortion known as flow. Viscosity is the resistance of a fluid to its internal friction i.e. Shear motion. This resistance is due to cohesion of the molecules and molecular transfer from one layer to another setting up a tangential or shear stress. Cohesion predominates in liquids, as temperatures increase cohesion decreases as does viscosity. 
MODEL #H6640 Air Flow Unit The Hampden Model H6640 Air Flow Unit is designed to provide the basic air flow facilities necessary to perform fundamental experiments in fluid mechanics and heat transfer. With this unit, the student is able to investigate the characteristics of fans and, with the optional heat transfer modules, investigate the characteristics of liquid to liquid and air to liquid heat transfer. Options:

MODEL #H6645 Series/Parallel Pump Trainer The Hampden Model H6645 Series/Parallel Pump Trainer is a tabletop unit for the operation and investigation of series and parallel pump operation. The trainer consists of two centrifugal pumps that are fed by a common water reservoir and a PVC plumbing arrangement, along with five valves that allow various configurations to be implemented. Options:

MODEL #H6671 Two Stage Air Compressor Trainer The Hampden Model H6671 TwoStage Air Compressor Trainer has been designed to demonstrate thermodynamic principles including pressure, volume, temperature and pressurevolume diagrams. 
MODEL #H6710 Refrigeration Demonstrator The Hampden Model H6710 Refrigeration Demonstrator has been designed to illustrate the fundamental aspects of the refrigeration cycle. This unit allows the student to measure the temperature and pressure at critical points throughout the cycle to better comprehend the processes that occur in the refrigeration cycle. Options:

MODEL #H6715 Refrigeration Cycle Demonstrator The Hampden Model H6715 Refrigeration Cycle Demonstrator provides the student with an introduction to the Second Law of Thermodynamics, which states that heat will not pass from a cold region to a hot region without an “external agency.” The student will be able to observe the evaporator where heat is taken in as the liquid evaporates at low pressure and the condenser where the high pressure vapor condenses and rejects heat. The compressor uses a work input to increase the pressure vapor and the expansion valve controls the flow of liquid from the condenser back to the evaporator. Options:

MODEL #H6720 Refrigeration Unit The Hampden Model H6720 Refrigeration Unit has been developed to illustrate the characteristics of a large scale refrigeration system. The student will be able to investigate the theoretical performance of the refrigeration cycle and compare it with the performance of the actual cycle. Additionally, the unit serves as a source of chilled water for use in heat transfer experiments. Options:

MODEL #H6730 Environmental Control Unit The Hampden Model H6730 Environmental Control Trainer has been designed to teach the fundamental principles of room air conditioning. The unit has sufficient capacity to air condition an entire room with control over the temperature, humidity and air movement. The refrigerant used is HFC134a. 
MODEL #H6740 Air Ventilation System Trainer The Hampden Model H6740 Air Ventilation System Trainer permits the operational study of residential, commercial, and industrial air ventilation systems. 
MODEL #H6805 Temperature Measurement Bench, Type K The Hampden Model H6805 Temperature Measurement Bench is designed to allow students to determine the operating characteristics of temperature measuring devices. The student is able to measure the accuracy, response time, repeatability, hysteresis and other characteristics of a temperature measuring device. The unit can also be used to test temperature measuring devices against reference standards. Model H6805 shown with optional Model H680510 and Model H680520 Options:

MODEL #H6807 Fluidization and Fluid Bed Heat Transfer Demonstrator The Hampden Model H6807 Fluidization and Fluid Bed Heat Transfer Demonstrator demonstrates air flow through packed or fluidized bed of granular material as well as heat transfer. Options:

MODEL #H6810 Pressure Measurement Bench The Model H6810 Pressure Measurement Bench consists of various components designed to demonstrate practical measurements. It can be used to test and calibrate other pressure instruments and consists of the following: • Test Bench • Pressure Transducers • Test Gauge • Dead Weight Tester • VacuumPressure Air Pump • Manometers Options:

MODEL #H6820 Dual Heat Pump Demonstrator The Hampden Model H6820 Dual Heat Pump Demonstrator demonstrates the fundamental aspects of a heat pump system. This system, which utilizes both air and water as a heat source, allows the student to measure the temperature and pressure at critical points throughout the cycle to better understand the various processes that occur in the heat pump system. Options:

MODEL #H6821 Water Chiller Demonstrator The Hampden Model H6821 Water Chiller Demonstrator demonstrates the fundamental aspects of a water chiller system. This system utilizes a double pipe evaporator and condenser and allows the student to measure temperature and pressure at critical points throughout the cycle to better understand the various changes that occur in the cycle. 
MODEL #H6822 Vapor Compression Refrigeration Trainer The Hampden Model H6822 Vapor Compression Refrigeration Trainer has been designed to show the fundamental aspects of the vapor compression refrigeration cycle. The student can observe the heat transfer processes occurring in the evaporator and condenser, and also evaluate the cycle performance by monitoring the temperature, pressure, and flow rate at critical points in the cycle. 
MODEL #H6826 Vortex Tube Refrigerator The Hampden Model H6826 Vortex Tube Refrigerator permits the study of the characteristics of vortex tube refrigerating effects. The student has the opportunity to determine the ability to produce cold air from a device with no moving parts. 
MODEL #H6320 Structures Test System Base The Structures Test System is a benchtop sized "learning laboratory" system designed to test and indicate the effects of static and dynamic mechanical loading on models of various engineering components and structures such as beams ("I"beams, "T"beams, rectangular and round beams, etc.), simple and complex bridge trusses, cantilever beams and trusses, crane trusses and the like. Options:

MODEL #H6350 Nozzle Pressure Distribution Trainer The Hampden Model H6350 Nozzle Pressure Distribution Trainer allows the student to investigate pressure distribution and mass flow rate in nozzles. Three types of nozzles are provided covering convergent and convergentdivergent. Options:

MODEL #H6510 Drainage and Seepage Tank Demonstrator The Hampden Model H6510 Drainage and Seepage Tank Demonstrator has been developed to investigate water flow through permeable media. Using sand as the medium and twodimensional models, flow lines can be determined as well as the distribution of uplift pressure and seepage rates. 
MODEL #H6523A Sediment Transport Channel Demonstrator The Hampden Model H6523A Sediment Transport Channel Demonstrator investigates suspended sediment in a moving stream and bed load movement. The moving stream can be controlled over a wide range to simulate fast flowing streams or slow moving rivers, demonstrating the various size and density of partial deposits. Slope is adjustable from 010%. 
MODEL #H6526 Ground Water Flow Tank The Hampden Model H6526 Ground Water Flow Tank provides a means of investigating simple three dimensional flow models utilizing sand as a medium. 
MODEL #H6530 Hydraulic Demonstration Channel (6") The Hampden Model H6530 Hydraulic Demonstration Channel is designed to investigate analytical applications of fluid mechanics to situations in which fluids can be treated as continuous media. The particular laws involved include conservation of mass, continuity, energy, and momentum. Application of these laws may be simplified in order to describe quantitatively the behavior of the fluid. Options:
