Transmille 1000-Series - Manual (Page 69)

1000 SERIES OPERATION MANUAL
TRANSMILLE LTD. Version 1.30 Page 69
Output Protection and Safety Features
Warning and Output Overload Indications
The self-test function of the 1000 series calibrator continuously monitors the output
of the calibrator for overload or fault conditions.
In the event of the calibrator not being able to drive the load, it will automatically trip
into standby and the display will show Standby. The ‘standby’ condition is caused
by the required drive current being too high on a voltage range or the required
compliance voltage being too high on a current range. The output can be restored
by pressing the Output On key after the load has been corrected.
High Voltage Timeout.
As an additional safety feature, the calibrator will automatically return to standby if
left on the 100V or 1kV ranges after a set time period. This is factory set as 20
minutes.
If required this timeout can be disabled through a software application, or the period
changed.
High Voltage Output Ramp
The 1000 Series calibrator is fitted with a high voltage ramp, this means that the
high voltage output is increased slowly to prevent damage to faulty UUT’s. A bar will
appear on the screen of the 1000 calibrator, as well as a periodic beep while the
output is ramping.