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Fluke 1520
Users Manual
8
Display
Table 2 and Figure 2 describe the display.
Table 2. Display Description
1 Voltage applied to the probes in Insulation Resistance function.
2 Low Resistance/Resistance function indicator.
3 Resistance reading held from the last measurement in Insulation Resistance or Low
Resistance function.
4 Beeper symbol shows if beeper function is turned on in Resistance function.
5 Zero symbol is on if test leads are zeroed out.
6 Main reading display for all functions.
7 Analog bar graph displays resistance on a logarithmic scale and voltage on a linear
scale. The value always tracks the main reading.
8 High voltage warning symbol flashes if voltage ≥ 30 V ac or dc is present on the probes.
9
Battery life indicator. Displays briefly when the Meter is first switched to a function.
Displays the amount of battery voltage left in increments of 25 %.
10 Lock symbol is on if the TEST mode is locked in Insulation or Low Resistance functions.