HT7051 - HT7051N
EN - 13
5.3 INSULATION MEASUREMENT IN ADJUST MODE
This function is performed in compliance with IEC/ EN61557-2 guideline. The ADJUST
mode allows the fine adjustment of the test voltage between 100 - 5000VDC.
CAUTION
The instrument may be used on installations of overvoltage category CAT
IV 600V to earth with maximum voltage 600V between inputs. Do not
connect the instrument to installations with voltages exceeding the limit
values indicated in this manual. If these limit values are exceeded, the
operator may be exposed to electrical shocks and the instrument could get
damaged
lways connect the measuring leads to the instrument and to the alligator
clips with the accessories disconnected from the system
We recommend holding the alligator clip respecting the safety area marked
by the hand protection (see § 4.4)
Fig. 5: Instrument connection
1. Turn on the instrument by pressing the relevant key
2. Press the FUNC/ERASE MEM key to select the “ADJUST” mode
3. The display shows a screen similar to
that reported here to the side, which
contains:
The ADJUST function selected
The bar graph set to zero
The indication "--- TΩ"
The test voltage
The value of the test time
The plug symbol (if the instrument
is supplied from the mains)
The battery symbol steadily
illuminated or flashing (if batteries
are flat or are being recharged)
The timer symbol if the duration of
the test has been preset
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