Megger LRCD200 series, User Manual

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Default voltmeter
The default voltmeter automatically operates in all test modes, indicating
connection to a live system.
Auto Power-down
To extend battery life the instrument will automatically switch off six
minutes after the last operation.
The instrument can be switched off manually by selecting [OFF] with the
rotary switch, or switched back on again by pressing the [TEST] button.
Backlight operation (LRCD 220 only)
The LRCD LCD display may be backlit, to allow readings to be seen in
adverse lighting conditions. The backlight function can be selected at any
time while the instrument is switched on by pressing the BACKLIGHT
J
button.
The backlight function will switch off automatically 15 seconds after the
instrument has finished testing.
Display warning symbols
G
Refer to user manual.
Any time the warning triangle is displayed the operator should refer to the
user manual for further information.
L
Range lock
Displayed at any time the [TEST] button is locked in the on position.
Battery condition indication. Refer to page 19.
f
Fuse blown indicator, appears when an instrument fuse has
failed. Refer to page 19.
>280V
Displayed on the LRCD200/210 indicates a supply voltage in
excess of that allowed is present.
>480V
Displayed on the LRCD220 indicates a supply voltage in excess of
that allowed is present.
hot
Indicates the instrument needs to cool down before it can continue
loop testing
Noise on the circuit under test may affect the reading
Setup Procedure
Reverse polarity or line/neutral swapping
This feature is only available on the following models:
LRCD200-EN-SC LRCD210-EN-SC LRCD220-EN-SC
LRCD200-FR-SC
LRCD210-FR-SC LRCD220-FR-SC
LRCD200-DE-SC LRCD210-DE-SC LRCD220-DE-SC
LRCD200-NL-SC LRCD210-NL-SC LRCD220-NL-SC
LRCD200-ES-SC LRCD210-ES-SC LRCD220-ES-SC
The set-up menu allows the user to change the way the instrument
behaves when testing on a supply with Line and Neutral connections
swapped. Tests may be permitted or prohibited.
To select Polarity reversal acceptance or rejection:
1. With the instrument switched OFF, hold down the [TEST] button and
turn the range knob to any ON position.
2. Keep the button held down until the instrument displays the ‘SET’
warning.
3. Now release the [TEST] button.
4. Press the [TEST] button again to view the current setting for line/neutral
swapping.
5. The display shows ‘L+L’ (instrument will perform tests with L & N
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