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Digital Transformer Ratiometer DTR
®
Model 8510
CHAPTER 5
OPERATION
WARNING:
The DTR
®
Model 8510 is designed for use on de-energized
(“dead”) transformers only. Make sure the test sample is 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
Figure 5-1
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
cannot be used for testing under these circumstances. The
batteries must be recharged before use (see § 8.1).
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