IX 3131 II - 5
1. GENERAL INSTRUCTIONS
1.1. Safety
This meter complies with the specifications of safety standard IEC 1010 concerning
electronic measuring instruments with an overvoltage category (CAT I) and
pollution rating 2.
This manual contains information and warnings which must be followed to ensure
safe operation as well as to maintain the meter in a safe condition.
1.1.1. Preliminary safety instructions
• This instrument is recommended to be used by a suitably trained and competent
person.
• When using the IX 3131 meter, the user must observe all normal safety rules
concerning :
- protection against the dangers of electric current
- protection of the meter against misuse.
• Full compliance with safety standards can be guaranteed only if used with the
supplied leads. If necessary, they must be replaced by ones of same model. The
measuring leads must be in good working conditions.
• Line voltages : AC 100 / 120 / 220 / 240 V, 50 / 60 Hz are available in IX 3131. A
protective 0,2 A / 250 V fuse is used in AC 100 / 120 V line voltage. A protective
0,1 A / 250 V fuse is used in AC 220 / 240 V line voltage.
1.1.2. Safety instructions during use
• Never exceed the protection limit values indicated on the front panel : 5 V with
respect to earth.
• When the multimeter is linked to measurement circuits, do not touch unused
terminals.
• When measuring in-circuit components, first de-energize the circuits before
connecting to the test leads.
• This meter has been designed to be used in all safety in following conditions :
indoor use, altitude < 2000 m, operating temperature 0° C to + 40° C at 70 %
R.H., pollution degree 2.
1.1.3. Safety symbols
Refer to operating manual
displayed
on the LCD :
Damaged or open 70 mA/250V signal source protective fuse indicator.
The CPU of the meter can self-detect if its 70 mA/250V fuse is either open or damaged. In
this case, the LCD will display the symbol « FUSE » and an audible beep will sounds
continuously, warning the user to replace the old fuse to maintain the accuracy of
measurement. While replacing the fuse, the power of the meter must be completely shut off.
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