Specifications

Local Operation
Menu 4
4-25
Menu | Test—Sweep Test
The sweep function can be used to automatically exercise the elastic sensing element of
the device under test prior to performing a calibration. For the RUSKA 7250 to perform
the sweep test, input the high and low set-point pressures, the pressure control tolerance,
the dwell time at set-point, and the number of cycles to perform.
1. Ensure that the units, limits, and control parameters are set to their desired values.
2. The sweep test is entered from the Sweep Test menu. From the Main Menu, (press
PREVIOUS until the Main Menu appears), press Menu [F6] | Test [F5] | Sweep [F2].
3. Enter the high and low pressure points, the control tolerance, dwell time, and the
number of cycles.
gkn035.bmp
Figure 4-25. Menu | Test | Sweep - Menu
7. Press Run [F2] to initiate the test.
8. To pause the program, press Pause [F3]. Pause will now be highlighted and the
Calibrator will continue controlling to the current set-point. The Calibrator will
maintain control of the current set-point until further instructions from the user. Press
Continue [F4] to resume the program.
9. To stop the program, press Stop [F5]. The program will stop running but the
Calibrator will continue controlling to the current set-point.
Menu | Test—Self Test
The RUSKA 7250 can perform electrical and pneumatic self test to assist in trouble
shooting potential problems. Refer to Chapter 6, Maintenance, for more details.
Note
In order to perform a pneumatic self test, the supply port must be connected
to a properly set supply pressure and the test port not open to atmosphere.
For absolute units, a vacuum supply must also be connected to the exhaust
port.