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ET 512 Air Compressor Test Unit
Education / GUNT Hamburg / Thermal Engineering and HVAC / Power Engines and Machines /

The experimental unit contains all the essential components of a compressor system.

  The compressor to be tested is a single-stage single-cylinder machine. During the functional test the efficiency of the compressor is investigated against the increasing pressure in the tank over time.

  The active power of the drive motor is displayed on the switch cabinet. A stopwatch is supplied for time-related measurements.


Learning Objectives / Experiments

Functional test of a piston compressor
- Pressure rise in the tank as function of time
- Active power of the drive motor as a function of pressure


[1] Test unit for a small industrial compressor
[2] 1-cylinder compressor
[3] Pressure vessel with valve for draining

[4] Display at switch cabinet to indicate active power 

Technical Data

Drive motor

- power consumption: 0.25kW

- speed: 1410rpm

- power consumption: 0.7kW

- max. pressure: 10bar

- intake capacity: 115L/min

Pressure vessel

- capacity: 10L

- max. pressure load: 10bar

Measuring ranges

- manometer: 0...16bar

- stopwatch: 0...9h59min59s 99/100


Dimensions and Weight
l x w x h: 770 x 540 x 560 mm
Weight: approx. 50 kg
Required for Operation
230V, 50Hz, 1 phase or 120V, 60Hz, 1 phase
Scope of Delivery

1 test unit

1 stopwatch

1 manual

Order Details
061.51200  ET 512  Air Compressor Test Unit