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Equipment complies with relevant EU Directives
End of life disposal of this equipment should be in accordance
with relevant EU Directives
1.2 Precautions
This product has been designed with your safety in mind, but please
pay attention to the following warnings and cautions before use.
Warnings
In order to avoid the danger of electrical shock, it is important that
proper safety measures are taken when working with voltages
exceeding 30V AC rms, 42V AC peak or 60V DC.
Where applicable other safety measures such as the use of protective
gloves, goggles etc. should be employed.
The insulation clamp meter must only be used by a skilled and
competent person who is familiar with the relevant regulations,
the safety risks involved and the consequent normal safe working
practices, and under the conditions and for the purposes for which it
has been constructed and specifi ed.
Before each use the insulation clamp meter and any associated test
leads and accessories should be examined for damage, cracks, cuts
or scratches. Do not use if damaged in any way.
Make sure the insulation clamp meter and test leads are dry, clean
and free from dust, grease and moisture while in use to avoid the
danger from electric shock due to surface leakage.
Always test this unit on an appropriate proving device or a known good
voltage source before and after using it to determine if a hazardous
When using test leads, always keep your fi ngers behind the fi nger
guard on the test lead probe.
When positioning the clamp jaws around a hazardous live conductor
always keep your fi ngers behind the clamp fi nger guard.
To avoid electrical shock, and damage to the insulation clamp
meter, do not use the insulation clamp meter and the associated
temperature probe when voltages at the measurement surface
exceed 30V AC rms or 60V DC.
Cautions
Avoid severe mechanical shock or vibration and extreme
temperature.
When using test leads avoid excessive stresses to the cable entry
points at the probe and 4mm plug connector.
To avoid burns or damage to equipment, do not take temperature
measurements inside microwave ovens.
To avoid possible corrosion from a leaking battery, remove the
battery when the unit is not in use for an extended period.
voltage exists in a circuit to be tested. Do not use the unit if it does not
function correctly during proving.
Measuring/testing for a voltage/current that exceeds the specifi ed limits
of the unit may damage the unit and may expose the operator to a
shock hazard. Always check the unit's specifi ed limits before use.
As a clamp meter or multimeter the unit must only be used on CAT IV
installations up to 600V to earth, CAT III and CAT II installations up
to 1000V to earth, and within the operating temperature and humidity
range specifi ed.
The CAT III 1000V marking does not mean the clamp meter can
be used to 1000V AC rms, but that it will be safe to the user if
inadvertently connected across a voltage up to 1000V AC rms to earth.
As an insulation resistance meter the unit must only be used on CAT II
installations up to 600V to earth, and within the operating temperature
and humidity range specifi ed.
If the removable probe tip caps are not fi tted to the probes of the test
leads, their measurement category becomes CAT II 1000V, and they
must not be used on CAT III or CAT IV installations to avoid the risk of
shorting high energy circuits and arc fl ash.
When this unit is used in combination with test leads, the measurement
category of the combination is the lower measurement category of
either this unit or the test leads used. Likewise if test lead accessories
such as crocodile clips are also used, the measurement category will
be the lowest measurement category in that combination.
Do not use if the battery compartment cover is not fi tted.
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CMi210 instructions rev1.indd 5
2. INTRODUCTION
2.1 Inspection
Examine the shipping carton for any sign of damage. Inspect the unit
and any accessories for damage. If there is any damage then consult
your distributor immediately.
2.2 Description
The Martindale CMi210 is a combined clamp meter and insulation
tester with the following measurement functions:
True RMS AC current to 1500A
DC current to 2000A
Inrush current
True RMS AC voltage to 750V
DC voltage to 1000V
Insulation resistance to 6G with test voltages to 1000V
Resistance to 60M
Capacitance to 6mF
Frequency to 10MHz
Duty cycle
Temperature (Type K thermocouple)
Continuity with audible indication
Diode testing
Further functions are:
Display hold
Max/Min indication
DC current clamp zeroing
Selectable high frequency rejection
Live circuit detection for insulation resistance
Measurement lock for insulation resistance
Display backlight
Auto or manual ranging
Auto power off
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