AC Current Probe
Models MN170
User Manual
DESCRIPTION
The MN170 (Catalog #100.270) is a mini current probe with 100:1 ratio for measurements to 75A AC.
Load impedance is limited to 0.14Ω.
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.
• 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 600V 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 insulation.
Use only 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.
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.
PACKAGING
The AC Current Probe MN170 is shipped with this instruction manual and a product warranty and
registration card. You can register online at www.aemc.com.
INSTRUMENT COMPATIBILITY
The Model MN170 is compatible with any ammeter, multimeter, or other current measuring instruments
with an input impedance of 0.14Ω or less. To achieve the stated accuracy, use the MN170 with a
ammeter having an accuracy of 1% or better.