LD60A
4-7
OPERATING INSTRUCTIONS
Operation with optional Liquid Dielectric Comparison Unit (LDCU)
1. Make sure power to LD set being checked is turned off.
2. Place the comparison cell in the test chamber of the unit. Plug LDCU ground lead into
ground jack. Close transparent cover.
3. Turn on Input Power switch.
4. Set the Rate of Rise to the slowest speed.
5. Move the Start/Stop switch to the Start position.
6. High voltage will come on; the unit will automatically raise the voltage at the selected rate
per second.
7. Allow voltage to rise on the LDCU until it reaches 60 KV.
8. Move the Start/Stop switch to the Stop position at this time.
9. Unit under test and comparison cell should agree. If a discrepancy is found, LD unit
being checked should be sent for recalibration.
10. Turn Input Power switch off and back on to shut off high voltage and reset unit.
11. Check 15 KV, 30 KV, and 45 KV settings.
