WARNING: The DTR
completely disconnected from AC power and is fully discharged.
5.1. POWER UP
Turn the power switch to the ON position.
At power up, the instrument goes through an initialization process:
Beeps once
Displays "Initializing...Please Wait" for a short duration
Displays the Company Name and Firmware version number
Displays Date and Time for a short duration
The instrument rests at the Main Screen which displays Test Type, Test Mode, Filter, Storage Mode and the present Nameplate
values (Fig. 5-1)
The Green power LED on the front panel turns on solid
NOTE:
If the batteries are insufficiently charged:
The Green LED will blink if there is some battery capacity left. The instrument will be operational under this condition.
The display will show Low Battery and the Green LED will blink if the battery packs have no capacity left. The instrument can-
not be used for testing under these circumstances. The batteries must be recharged before use (see § 8.1).
5.2. RUNNING A TEST
5.2.1. VT/PT TEST
In this paragraph, an example of running a test using the following configuration (see § 4.3 for how to configure the instrument)
is shown:
Set Date/Time: July 4, 2010. 6:00 PM
Set values in Nameplate:
Primary Voltage:19920; Secondary Voltage: 7200
Select Type: VT/PT
Select Test Mode: CONT/Ratio
Storage Mode: Manual
Set Filter: Normal
Set Language: English
5. OPERATION
8510 is designed for use on de-energized ("dead") transformers only. Make sure the test sample is
®
Figure 5-1
59