Separating & Throttling Calorimeter with Mini Boiler Test Bench
Product Code : EL-TELE-10713
Quick Answer: The Separating & Throttling Calorimeter with Mini Boiler Test Bench is an experimental setup used to determine the vapour content (dryness fraction) x of wet steam, a dimensionless ratio between 0 and 1 defined by the mass of vapour divided by the total mass. It combines a separating calorimeter and a downstream throttling calorimeter to measure vapour contents between x=0.95 and x=1, using sensors that record pressure and temperature before and after depressurization. The measured values let students calculate the vapour content directly or determine it using the h-s diagram.
In this experimental closed system, the vapour content x is a dimensionless ratio between 0 and 1, defined by the ratio of the mass of vapour to the total mass, where the total mass is the sum of fluid mass and vapour mass. If the vapour content is x=0, the evaporation medium is completely liquid; x=1 means dry saturated vapour; and a value in between means wet vapour with a variable liquid content. Separating and throttling calorimeters are used to determine this vapour content, and in practice such devices are used in steam power plants, downstream of steam turbines, or at steam boilers upstream of the super heater.
A downstream throttling calorimeter is used to determine vapour contents between x=0.95 and x=1: the wet vapour is depressurized in this process, and the remaining vapour part is depressurized and then liquefied in a water-cooled condenser and collected in a measuring cup. These two quantities can be used to determine the vapour mass and total mass and so calculate the vapour content. Sensors measure the pressure and temperature before and after depressurization, and the measuring results can be used to determine the vapour content with the h-s diagram.
FEATURES:
Determining the vapour content using
A separating calorimeter with cyclone water separator
A throttling calorimeter with vapour depressurization
Using an h-s diagram
SPECIFICATIONS:
Supplied vapour :
Temperature: 240°C
Pressure: 10bar
Safety valve: 10bar
Measuring ranges :
Temperature: 0…400°C
Pressure (outlet): -150…100mbar
Pressure (inlet): 0…16bar
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase
120V, 60Hz, 1 phase
DIMENSIONS AND WEIGHT:
L x W x H: 800x 800 x 1700 mm
Weight (approx.): 110 KG
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Last Updated: September 2026
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