UNI-T UT511 Spezifikationen PDF herunterladen (Seite 20)

AD Instruments

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©Copyright Abacanto Digital SA. 20

Manual de usuario AD511

Display

Table 6 and Figure 3 describe the display.

Figure 3. Display

Table 6. Display Description

Number

Meaning

Number

Meaning

Indicator for DC voltage

Data recall is on

Indicator for data store full

Indicator for polarization index

Indicator for clearing

Unit symbols

Indicator for AC voltage

The continuity buzzer is on

Indicator for timer

Compare feature pass

Step symbol

Analogue bar graph

Indicates selected pass/fail compare

value

Risk of electric shock

Indicates for negative reading

Compare feature fail

Timer 1 symbol

Indicator for power adaptor

Timer 2 symbol

Battery life indicator

Data store is on

Key Functions

Table 7. Key Description

ON/OFF

Turn on or off the Meter. Press and hold the button for 1 second to turn the

Meter on.

LIGHT

Turn on and off the display backlight

CLEAR

Press to clear the stored data

SAVE

Press to store the current measurement value. The maximum number of

stored reading is

18. When the stored readings memory is full, the M

eter

shows FULL and stop storing. Press

CLEAR

to clear the stored value in order

to store the next measurement value.

LOAD

l Press once to recall the first stored value.

l Press again to exit Load feature.

l Load feature can only be used when there is no high voltage output.

l Under insulation resistance measurement mode: press to select one

voltage range up.

l Under load mode: press to recall the previous stored value.

l Under insulation resistance measurement mode: press to select one

voltage range down.

l Under load mode: press to recall the next stored value.

l When set the timer duration for the measurement of insulation resistance

or polarization index, press to decrement the time.

The maximum

length of time is 30 minutes, the Meter will aut

omatically carry out

measurement.

When compare feature measuring insulation resistance, press to

decrement a resistance comparing value.

l After polarization index measurement

, press to display polarization index,

TIME 2 insulation resistance value and TIME

1 insulation resistance

value in sequence.

l When set the timer duration for the measurement of insulation resistance

or polarization index, press to increment the time.

The maximum length

of time is 30 minutes, the Meter

will automatically carry out

measurement.

l When use the

compare feature measuring insulation resistance, press to

increment a resistance comparing value.

l After polarization index measurement

, press to display polarization index,

TIME 2 insulation resistance

value and TIME 1 insulation resistance

value in sequence.

STEP

Press to display S1->S2-S3 in sequence.

When the Meter is under timed measurement or polarization index

measurement:

Ø S1 means increment of 1, then each press of

increase 1 or

decrease 1.

Ø S2 means increment of 10, then each press of

increase 10 or

decrease 10.

Ø S3 means increment of 30, then each press of increase 30 or

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 26 27

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