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AC Current Probe
Model MN185
User Manual
DESCRIPTION
The MN185 (Catalog #100.185) is a high accuracy current probe for tight areas
such as crowded wiring. Extends DMM AC measurements to 120A AC.
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: Potentially high voltages and currents may be
present and may pose a shock hazard.
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 250V.
Use extreme caution when clamping around bare conductors or bus bars.
INTERNATIONAL ELECTRICAL SYMBOLS
before using the instrument.
RECEIVING YOUR SHIPMENT
Upon receiving your shipment, make sure that the contents are consistent with
distributor at once, giving a detailed description of any damage.
INSTRUMENT COMPATIBILITY
The Model MN185 is compatible with any ammeter, multimeter, or other current
measuring instruments with an input impedance of less than 5W. To achieve the
stated accuracy, use the MN185 with an ammeter having an accuracy of 0.75%
or better.
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Table of Contents
Related Manuals for AEMC instruments MN185
Summary of Contents for AEMC instruments MN185
- Page 1 Model MN185 User Manual DESCRIPTION The MN185 (Catalog #100.185) is a high accuracy current probe for tight areas such as crowded wiring. Extends DMM AC measurements to 120A AC. WARNING These safety warnings are provided to ensure the safety of personnel and proper operation of the instrument.
- Page 2 CURRENT PROBE - MN 185 DRAWING ELECTRICAL SPECIFICATIONS Current Range: Overload: 50mA to 120A AC, continuous 170A continuously Output Signal: Frequency Range: 1mA AC / A AC (120mA @ 120A) Accuracy: Load Impedance: 50mA to 100A: 1% ± 0.01A 5 max (with non-inductive load) 100A to 120A: 1.5% ±...
- Page 3 • Connect the terminals to the 200mA range of your DMM or instrument. The MN185 has a ratio of 1000:1. This means that for 100A AC in the conductor around which the probe is clamped, 100mA AC will come out of the probe leads to your DMM or instrument.
- Page 4 • Make sure that probe jaw mating surfaces are free of dust and contamination. Contaminants cause air gaps between the jaws, increasing the phase shift MAINTENANCE Warning: • For maintenance use only original factory replacement parts. • To avoid electrical shock, do not attempt to perform any servicing unless you •...
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