47
Magtrol Hysteresis Dynamometers
Chapter 4 – Testing
OPERA
TION
as shown in the following diagram.
1,5
psi
1,0
0,5
0o
2,0
2,5
3,0
Figure 4–20 Dynamometer with Compressed Air Connection
For maximum air flow and cooling, set the regulator to the following:
HD Model
CFM
(Cubic Feet
per Minute)
PSI
(Pounds per
Square Inch)
HD-510
7
1.75
HD-515
10
4
HD-800
13
10
HD-805
15
14
WARNING! DO NOT EXCEED THE PRESSURES GIVEN.
The air supply should be enabled whenever the unit is in operation.
4.1.3.2.2
Blower
Magtrol’s HD-710/715/810/815/825 and ED-715/815 dynamometers are internally ported for blower
cooling. The following diagram illustrates the connection.
Figure 4–21 Dynamometer with Blower Connection
WARNING! DUE TO THE NOISE LEVELS OF THE BLOWERS,
HEARING PROTECTION MUST BE WORN DURING
OPERATION.