AEMC instruments 2116.25 Посібник користувача
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AC Current Probe
Models MN312 and MN313
User Manual
DESCRIPTION
The MN312/313 (Cat. #2116.24/2116.25) are the latest in compact AC current probes. Designed to
meet the most stringent demands in industry and electrical contracting, they also meet the latest safety
and performance standards. The probes have a measurement range up to 200Arms which make them
perfect tools for measurements with DMMs, recorders, power and harmonic meters. The Models
MN312/MN313 are compatible with any AC ammeter, multimeter, or other current measurement with an
input impedance lower than 1 . To achieve the stated accuracy, use the MN312/MN313 with an
ammeter having an accuracy of 0.75% or better.
WARNING
The safety warnings are provided to ensure the safety of personnel and proper operation of the
instrument. Read the instruction completely.
• Use caution on any circuit: potentially high voltages and currents may be present and may pose
a shock hazard.
• Do not use the probe if damaged. Always connect the current probe to the measuring device
before it is connected around the conductor
• Do not use on non-insulated conductor with a potential to ground greater than 600V CAT III
pollution 2. Use extreme caution when clamping around bare conductors or bus bars.
• Before each use, inspect the probe; look for cracks in housing or output cable insulation.
• Do not use clamp in wet environment or in locations that hazardous gases exist.
• Do not use the probe anywhere beyond the tactile barrier.
INTERNATIONAL ELECTRICAL SYMBOLS
This symbol signifies that the current probe is protected by double or reinforced insulation. 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 is a type A current sensor. This symbol signifies that application around and removal from
HAZARDOUS LIVE conductors is permitted.
DEFINITION OF MEASUREMENT CATEGORIES
CAT III: For measurements performed in the building installation at the distribution level such as on
hardwired equipment in fixed installation and circuit breakers.
RECEIVING YOUR SHIPMENT
Upon receiving your shipment, make sure that the contents are consistent with the packing list. Notify your
distributor of any missing items. If the equipment appears to be damaged, file a claim immediately with the
carrier and notify your distributor at once, giving a detailed description of any damage.
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