Rish Insu 5Dx
9
4.8
INSULATION MEASUREMENT IN FIX MODE
This measurement mode, performed in compliance with IEC/ EN61557-2 guideline, allows a quick
selection of the test voltage among the values: 250, 500, 1000, 2500, and 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
Always connect the measuring leads to the instrument and to the alligator clips
with the accessories disconnected from the system
It is recommended to hold the alligator clip respecting the safety area marked by
the hand protection (see § 4.4)
Fig. 4: Instrument connection
1.
Turn on the instrument by press
ON/OFF/
key
2.
Press the
FUNC/ERASE MEM
key to select the “FIX” mode
3.
The display shows a screen similar to that
reported here to the side, which contains:
The FIX selected mode
The bargraph set to zero
The "--- TΩ" indication
The selected test voltage
The test time value
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 set