AEMC instruments MN261 Bedienungsanleitung
ENGLISH
Model MN261
User Manual
ENGLISH
CURRENT MEASUREMENT PROBE
WITH AEMC
®
INSTRUMENTS
AC Current
Oscilloscope Probe
Copyright©Chauvin Arnoux®, Inc. d.b.a. AEMC®Instruments. All rights reserved.
No part of this documentation may be reproduced in any form or by any means (including electronic
storage and retrieval or translation into any other language) without prior agreement and written consent
from Chauvin Arnoux®, Inc., as governed by United States and International copyright laws.
Chauvin Arnoux®, Inc. d.b.a. AEMC®Instruments
15 Faraday Drive • Dover, NH 03820 USA
Tel: (800) 945-2362 or (603) 749-6434 • Fax: (603) 742-2346
This documentation is provided “as is,” without warranty of any kind, express, implied, or otherwise.
Chauvin Arnoux®, Inc. has made every reasonable eort to ensure that this documentation is accurate;
but does not warrant the accuracy or completeness of the text, graphics, or other information contained
in this documentation. Chauvin Arnoux®, Inc. shall not be liable for any damages, special, indirect,
incidental, or inconsequential; including (but not limited to) physical, emotional or monetary damages
due to lost revenues or lost prots that may result from the use of this documentation, whether or not the
user of the documentation has been advised of the possibility of such damages.
Statement of Compliance
Chauvin Arnoux®, Inc. d.b.a. AEMC® Instruments
certies that this instrument has been calibrated
using standards and instruments traceable to
international standards.
We guarantee that at the time of shipping your
instrument has met its published specications.
An NIST traceable certicate may be requested
at the time of purchase, or obtained by returning
the instrument to our repair and calibration
facility, for a nominal charge.
The recommended calibration interval for this
instrument is 12 months and begins on the date of
receipt by the customer. For recalibration, please
use our calibration services. Refer to our repair and
calibration section at www.aemc.com.
Serial #:
Catalog #: 2115.82
Model #: MN261
Please ll in the appropriate date as indicated:
Date Received:
Date Calibration Due:
Chauvin Arnoux®, Inc.
d.b.a AEMC®Instruments
www.aemc.com
TABLE OF CONTENTS
1. INTRODUCTION ..................................................................5
1.1 RECEIVING YOUR SHIPMENT ................................................ 6
1.2 ORDERING INFORMATION..................................................... 6
1.2.1 Accessories and Replacement Parts ................................. 6
2. PRODUCT FEATURES .......................................................7
2.1 DESCRIPTION ........................................................................... 7
2.2 COMPATIBILITY ........................................................................ 7
2.3 CONTROL FEATURES ............................................................. 8
3. SPECIFICATIONS ...............................................................9
3.1 ELECTRICAL SPECIFICATIONS ............................................. 9
3.2 MECHANICAL SPECIFICATIONS ......................................... 10
3.3 ENVIRONMENTAL SPECIFICATIONS.................................. 10
3.4 SAFETY SPECIFICATIONS ................................................... 10
3.5 TYPICAL RESPONSE CURVES ............................................ 11
4. OPERATION ...................................................................... 13
4.1 CURRENT MEASUREMENT .................................................. 13
5. MAINTENANCE ................................................................ 14
5.1 CLEANING................................................................................ 14
5.2 REPAIR AND CALIBRATION ................................................. 15
5.3 TECHNICAL ASSISTANCE .................................................... 15
5.4 LIMITED WARRANTY............................................................. 16
5.4.1 Warranty Repairs.............................................................. 16
AC Current Oscilloscope Probe Model MN261
5
1. INTRODUCTION
Thank you for purchasing an AEMC®Instruments AC Current Oscilloscope
Probe Model MN261.
For the best results from your instrument and for your safety, you must
read the enclosed operating instructions carefully and comply with the
precautions for use. Only qualied and trained operators should use this
product.
Symbols and Denitions
Signies that the instrument is protected by double or reinforced insulation
CAUTION - Risk of Danger! Indicates a WARNING. Whenever this symbol
is present, the operator must refer to the user manual before operation
Indicates a risk of electric shock. The voltage at the parts marked with this
symbol may be dangerous
Application or withdrawal authorized on conductors carrying dangerous
voltages. Type A current sensor per IEC 61010-2-032
Important information to acknowledge
This product complies with the Low Voltage & Electromagnetic Compatibility
European directives (73/23/CEE & 89/336/CEE)
Denition of Measurement Categories (CAT)
CAT IV corresponds to measurements performed at the primary electrical
supply (< 1000 V).
Example: primary overcurrent protection devices, ripple control units, and
meters.
CAT III corresponds to measurements performed in the building installa-
tion at the distribution level.
Example: hardwired equipment in xed installation and circuit breakers.
CAT II corresponds to measurements performed on circuits directly con-
nected to the electrical distribution system.
Example: measurements on household appliances and portable tools.
6
AC Current Oscilloscope Probe Model MN261
PRECAUTIONS FOR USE
These safety warnings are provided to ensure the safety of personnel and
proper operation of the instrument.
Connect the probe to the oscilloscope or voltage measuring instrument
before clamping the probe around a conductor.
Never use the probe on circuits rated higher than 600V, Cat III.
Never leave the probe clamped around a conductor while not connected
to an oscilloscope or voltage measuring instrument.
Carefully center the conductor inside the probe jaws and ascertain that
the probe is perpendicular to the conductor.
Avoid, if possible, the proximity of other conductors which may create
noise.
Check the magnetic mating surfaces of the probe jaws; these should be
free of dirt, rust, or other foreign matter.
Do not use a probe which is cracked, damaged, or has defective leads.
1.1 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 equip-
ment appears to be damaged, le a claim immediately with the carrier and
notify your distributor at once, giving a detailed description of any damage.
Save the damaged packing container to substantiate your claim.
1.2 ORDERING INFORMATION
AC Current Oscilloscope Probe Model MN261..........................Cat. #2115.82
Includes user manual and a product warranty and registration card.
1.2.1 Accessories and Replacement Parts
Adapter - BNC (Female) to 4 mm
Banana (Male) 600 V CAT III .................................................... Cat. #2119.94
Order Accessories and Replacement Parts Directly Online
Check our Storefront at www.aemc.com/store for availability
AC Current Oscilloscope Probe Model MN261
7
2. PRODUCT FEATURES
2.1 DESCRIPTION
The AC Current Oscilloscope Probe Model MN261 expands oscilloscope
applications in industrial or power environments, and is ideal for analysis
and measurement of distorted current waveforms and harmonics.
The Model MN261 permits accurate display and measurement of currents
from (0.1 to 240) Arms, 40 Hz to 10 kHz (with current derating) without
breaking into the circuit. A passive lter eliminates noise, ring on rapid
rising (di/dt) waveforms, and ensures accurate screen displays.
The probe connects directly to an oscilloscope through an insulated coax-
ial cable with an insulated BNC.
2.2 COMPATIBILITY
The Model MN261 is compatible with any analog or digital oscilloscope
or other voltage-measuring instrument which has the following features:
• BNC input connector
• Range capable of displaying (0.2 to 0.5) V per division, or 2 V range
• Minimum input impedance of 1 MΩ
8
AC Current Oscilloscope Probe Model MN261
2.3 CONTROL FEATURES
1. Jaw Opening: 0.83 in (21 mm)
2. Maximum dimension of conductor: 0.78 in (20 mm)
3. Two position switch
4. 6.5 ft (2 m) output cable
5. Arrow indicates direction of current ow. Current ows in a positive
direction when it travels from supply to load.
2.56" (65 mm)
5.31" (135 mm)
.83" (21 mm)
.73"
2.01" (51 mm)
(18.5 mm)
.1.18" (30 mm)
1
2
3
4
5
AC Current Oscilloscope Probe Model MN261
9
3. SPECIFICATIONS
3.1 ELECTRICAL SPECIFICATIONS
*Reference conditions: 23 °C ± 3 °K, 20 to 75 % RH, 48 to 65 Hz, external
magnetic eld < 40 A/m, no DC component, no external current carrying
conductor, test sample centered.
Current Range: 0.1 to 24 Arms
0.5 to 240 Arms
Output Signal: mV output signal;
2 range switch selectable on handle
100mV/A: 0.1 to 24 Arms
10mV/A: 0.5 to 240 Arms
Load Impedance: ≥1 MΩ@ ≤100 pF
Range: 10 mV/A (2 V at 200 A)
Primary
Current (0.5 to 10) A (10 to 40) A (40 to 100) A (100 to 240) A
Accuracy ≤ 3.5 % ± 5 mV ≤3 % ± 5 mV ≤ 2.5 % ± 5 mV ≤ 1.5 % ± 5 mV
Phase Shift N/A ≤ 6 ° ≤ 4 ° ≤ 3 °
Overload: 240 A for 10 mn ON, 30 mn OFF
Range: 100 mV/A (2 V at 20 A)
Overload: 120 A continuous
Accuracy: 2 % ± 50 mV
Phase Shift: not specied
Frequency Range (with current derating): 40 Hz to 10 kHz (@ -3 dB)
See Typical Response Curves (§ 3.5)
Load Impedance: 100 kΩmin
Working Voltage: 600 V CAT III
Common Mode Voltage: 600 V CAT III
Inuence of Adjacent Conductor: <15 mA/AAC @ 50 Hz
Inuence of Conductor Position in Jaw Opening:
0.5 % of Reading @ ((50/60) Hz)
Inuence of Frequency:
Range 20 A: 40 Hz to 1 kHz: 10 % of mV output
(1 to 10) kHz: 15% of mV output
Range 200 A: 40 Hz to 1 kHz: 3% of mV output
(1 to 10) kHz: 12% of mV output
10
AC Current Oscilloscope Probe Model MN261
3.2 MECHANICAL SPECIFICATIONS
Dimensions: (5.47 x 2.00 x 1.18) in (139 x 51 x 30) mm
Weight: 6.5 oz (150g)
Maximum Cable Diameter: 0.78 in (20 mm)
Jaw Opening: 0.83 in (21 mm) max
Maximum Conductor Size: 0.78 in (20 mm)
Envelope Protection: IP 40 (IEC 529)
Drop Test: 1 m (IEC 68-2-32)
Mechanical Shock: 100 g (IEC 68-2-27)
Vibration: (10/55/10) Hz @ 0.15 mm (IEC 68-2-6)
Output: 6 ft (2 m) insulated lead with insulated BNC Connector
3.3 ENVIRONMENTAL SPECIFICATIONS
Operating Temperature/RH: (14 to 131) °F (-10 to 55) °C; < 85 % RH
Storage Temperature: (-40 to 158) °F (-40 to 70) °C
Inuence of Temperature: ≤0.15 % / 10 K
Inuence of Humidity: (10 to 90) %; 0.2 %
Altitude: ≤ 2000 m
3.4 SAFETY SPECIFICATIONS
Indoor Use
Electrical:
Double insulation or reinforced insulation between the primary or second-
ary and the outer case of the handle per EN 61010-2-032.
Common Mode Voltage: 600V, CAT III, Pollution Degree: 2
Electromagnetic Compatibility:
Emission and immunity in an industrial environment according to the stan-
dard EN61326-1.
*Specications are subject to change without notice
E192383
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