AEMC instruments MN02 Manual de usuario
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 Specications 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 signies that the current probe is protected by double or reinforced insu-
lation. Use only factory-specied replacement parts when servicing the instrument.
This symbol signies CAUTION! and requests that the user refer to the user
manual before using the instrument.
This symbol signies that this is a type A current sensor and that application near
and removal from HAZARDOUS LIVE conductors is permitted.
This symbol signies 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 xed 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.
ELECTRICAL SPECIFICATIONS
Nominal Range: 100 A
Measurement Range:
50 mA to 100 A (1 Ω load)
50 mA to 90 A (10 Ω load)
Transformation Ratio: 1000:1
Output Signal: 1 mA/A from (1 to 10) Ω
Accuracy and Phase Shift*:
Accuracy 1 Ω load: ≤ 1 % Reading ± 0.02 A
Accuracy 10 Ω load: ≤1.5 % Reading ± 0.01 A
Phase Shift: < 3 ° with 1 Ω load
< 6 ° with 10 Ω load
*Reference conditions: (18 to 28) °C,
(20 to 75) % RH, external magnetic eld
< 40 A/m, (48 to 65) Hz sine wave, distor-
tion factor less than 1 %, no DC compo-
nent, no external current carrying conduc-
tor, test sample centered.
Load impedance 1 Ω or 10 Ω.
Overload: 170 A for 10 min ON, 30 min OFF
Frequency Range: (48 to 10,000) Hz
Open Secondary Voltage: ≤ 30 V
Working Voltage: 600 Vrms
Common Mode Voltage: 600 Vrms
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,
le a claim immediately with the carrier and notify your distributor at once, giving a detailed
description of any damage.
CURRENT PROBE - MN02 DRAWING
Inuence of Adjacent Conductor:
< 2 mA/A at 50 Hz
Inuence of Conductor Position in Jaw:
< 0.1 % of mA output at 50/60 Hz
Inuence of Frequency:
< 2 % of mA output from (65 to 500) Hz
Inuence of Temperature: ≤ 0.2 % per 10 °K
Inuence of Humidity (10 to 90% RH):
≤ 0.1 % of mA
MECHANICAL SPECIFICATIONS
Operating Temperature:
(14 to 122) °F (-10 to +50) °C
Storage Temperature:
(-40 to 176) °F (-40 to +80)°C
Maximum Cable Diameter:
One Ø 0.39 in (10 mm)
Case Protection: IP 40 (IEC 529)
Drop Test:
Test per IEC 68-2-32:
1.0 m drop on 38 mm of Oak on concrete
Mechanical Shock: Test per IEC 68-2-27
Vibration: Test per IEC 68-2-6
Dimensions:
(4.43 x 1.48 x 1.02) in (112.5 x 37.5 x 26) mm
Weight: 180 g (6.5 oz)
Polycarbonate Material:
Jaws: Red Polycarbonate
Case: Dark Polycarbonate
Opening Operations - Life: > 50,000
Output:
Double/reinforced insulated 5 ft (1.5 m) lead
with safety 4 mm banana plug
Altitude: < 2000 m
Indoor use only
SAFETY SPECIFICATIONS
Electrical:
Conforms to IEC 1010-2-32. ed. 2 2003
Common Mode Voltage:
300 V CAT IV, 600 V CAT III,
Pollution Degree 2
Electromagnetic Compatibility:
EN61326-1 (ed. 97)+A1 (ed. 98):
transmission and immunity in an industrial
site
ORDERING INFORMATION
AC Current Probe MN02...... Cat. #2129.20
Accessories:
Banana plug adapter
(to non-recessed plug)........... Cat. #1017.45
OPERATION
Please make sure that you have already read and fully understand the WARNING section
on page 1.
Making Measurements with the AC Current Probe Model MN02
• Connect the black lead of the current probe to “common” and the red lead to the
AC current input on your DMM or other current measuring instrument. Select the
appropriate current range (400 mAAC range). Clamp the probe around the conductor
to be tested. If the reading is less than 400 mA, select the lower range until you obtain
the best resolution. Read the value display on the DMM and multiply it by the probe
ratio (1000/1). If the reading = 0.098 A, the current owing through the probe is
0.098 A x 1000 = 98 AAC.
• For best accuracy, avoid taking measurements in the proximity of other conductors if
possible. The other conductors may create noise that will aect the accuracy of the
measurement.
Tips for Making Precise Measurements
• When using a current probe with a meter, it is important to select the range that
provides the best resolution. Failure to do this may result in measurement errors.
• Make sure that probe jaw mating surfaces are free of dust and contamination. It is
critical for power measurement. Contaminants cause air gaps between the jaws,
which increases the phase shift between primary and secondary.
MAINTENANCE
Warning
• For maintenance, use only original replacement parts.
• To avoid electrical shock, do not attempt to perform any service on the device unless
you are qualied to do so.
• To avoid electrical shock and/or damage to the instrument, do not allow water or other
foreign agents to come into contact with the probe.
Cleaning
To ensure optimum performance, it is important to keep the probe jaw mating surfaces
clean at all times. Failure to do so may result in error in readings. To clean the probe jaws,
use very ne sand paper (ne 600) to avoid scratching the jaw, and then gently clean with a
soft, oiled cloth.
REPAIR AND CALIBRATION
You must contact our Service Center for a Customer Service Authorization number (CSA#).
This will ensure that, when your instrument arrives, it will be tracked and processed
promptly. Please write the CSA# on the outside of the shipping container.
Ship To: Chauvin Arnoux®, Inc. d.b.a. AEMC® Instruments
15 Faraday Drive
Dover, NH 03820 USA
Phone: (800) 945-2362 (Ext. 360)
(603) 749-6434 (Ext. 360)
Fax: (603) 742-2346
(Or contact your authorized distributor)
NOTE: You must obtain a CSA# before returning any instrument.
TECHNICAL AND SALES ASSISTANCE
If you are experiencing any technical problems, or require any assistance with the proper
operation or application of your instrument, please call, e-mail or fax our technical support
team:
Contact: Chauvin Arnoux®, Inc. d.b.a. AEMC® Instruments
Phone: (800) 945-2362 (Ext. 351) or (603) 749-6434 (Ext. 351)
LIMITED WARRANTY
The current probe is warrantied to the owner for a period of two years from the date of
original purchase against defects in manufacture. This limited warranty is given by AEMC®
Instruments, not by the distributor from whom it was purchased. This warranty is void if the
unit has been tampered with, abused, or if the defect is related to service not performed by
AEMC® Instruments.
Full warranty coverage and product registration is available on our website at:
www.aemc.com/warranty.html.
Please print the online Warranty Coverage Information for your records.
99-MAN 100352.v06 03/23
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