Transmille EA008 - Manual (Page 6)

EA003 OPTICAL TACHOMETER CALIBRATION ADAPTER
OPERATION MANUAL
Transmille Ltd. Page 6
Measure High Value resistance.
1: Connect to calibrator as above.
2: Start the VFP program, select com port as required.
3: Click ‘resistance’ button
4: Click on resistance range required or the ‘Auto range’ button.
5: With inputs open circuit click the ‘Set infinity’ button.
7: Using the drop down box select the voltage to measure the resistance at.
6: Connect the resistance to be measured between the ‘voltage supply’ BMC socket and the ‘Input
current’ BMC socket. Note the outer shield of the BMC is ground to connect to the screen/guard.
7: Click ‘Volts on’ button
8: Read value on display.
Note 1: EMC interference and pick up can make High Resistance readings unstable. Great care
must be taken to screen all leads and connections for stable readings.
WARNING:
The pAmp input of the calibrator is very sensitive and can be damaged by the application of
voltages above 50V.
Detailed VFP Operation
Selecting a COM Port
On starting the virtual front panel for the first time, a COM port selection screen will be
displayed. Click on the COM port which is connected to your 2000 Series calibrator to
continue.
If you are using a laptop to connect to the calibrator, the COM port will usually be
COM 1. A desktop computer will usually be COM 2
Operation of the Virtual Front Panel
Once the correct COM port is selected, the calibrator will be detected, and the main screen
displayed :