AEMC instruments 2129.20 Manuel de l'utilisateur
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AC Current Probe
Model MN02
User Manual
DESCRIPTION
The Model MN02 (Cat. #2129.20) is a small, compact AC current probe and is designed
to meet the most stringent demands in industry and electrical contracting. This instrument
meets the latest safety and performance standards. The probe has a measurement range
up to 100 Arms which makes it a perfect tool for measurement with DMMs and recorders.
The Model MN02 is compatible with any AC ammeter, multimeter, or other current
measurement instrument with an input impedance lower than 10 Ω. To achieve the stated
accuracy, use the probe with an ammeter with an accuracy of 0.75 % or better.
WARNING
These safety warnings are provided to ensure the safety of personnel and proper operation of the
instrument.
• Read the instruction manual completely and follow all the safety information before attempting to use
or service this instrument.
• Use caution on any circuit: high voltages and currents may be present and may pose a shock hazard.
• Read the Safety Specifications section prior to using the current probe. Never exceed the maximum
voltage ratings given.
• Safety is the responsibility of the operator.
• ALWAYS connect the current probe to the display device before clamping the probe onto the sample
being tested.
• ALWAYS inspect the instrument, probe, probe cable, and output terminals prior to use. Replace any
defective parts immediately.
• NEVER use the current probe on electrical conductors rated above 600 V in overvoltage category III
(CAT III). Use extreme caution when clamping around bare conductors or bus bars.
INTERNATIONAL ELECTRICAL SYMBOLS
This symbol signifies that the current probe is protected by double or reinforced insu-
lation. Use only factory-specified replacement parts when servicing the instrument.
This symbol signifies CAUTION! and requests that the user refer to the user
manual before using the instrument.
This symbol signifies that this is a type A current sensor and that application near
and removal from HAZARDOUS LIVE conductors is permitted.
This symbol signifies a voltage limiting circuit.
DEFINITION OF MEASUREMENT CATEGORIES (CAT)
CAT IV: For measurements performed at the primary electrical supply (< 1000 V), such as
primary overcurrent protection devices, ripple control units, or meters.
CAT III: For measurements performed in the building installation at the distribution level,
such as hardwired equipment in fixed installation or circuit breakers.
CAT II: For measurements performed on circuits directly connected to the electrical
distribution system, such as measurements on household appliances or portable tools.