AEMC instruments MN09 Manuel utilisateur

AC Current Probe

Model MN09

User Manual

DESCRIPTION

The MN09 (Catalog #2129.21) is the latest in compact AC Current probes. Designed to meet the most

stringent demands in industry and electrical contracting, it also meets the latest safety and performance

standards. The probe has a measurement range up to 150Arms which makes it the perfect tool for

measurement with DMMs and recorders without an AC range. The Model MN09 is compatible with any

DC voltmeter, multimeter, or other voltage measurement instrument that is capable of displaying 100mV

of output per amp of measured current, voltmeter accuracy 0.75% or better and an input impedance of ≥

50kΩ.

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 IV: For measurements performed at the primary electrical supply (<1000V) such as on primary

overcurrent protection devices, ripple control units, or meters.

CAT III: For measurements performed in the building installation at the distribution level such as on

hardwired equipment in fixed installation and circuit breakers.

CAT II: For measurements performed on circuits directly connected to the electrical distribution system.

Examples are measurements on household appliances or portable tools.

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.

ELECTRICAL SPECIFICATIONS

Nominal Range: 150A

Measurement Range: 1 to 150A~

Output Signal: 100mV = 1AAC

Accuracy: 1 to 5A: 10% ± 0.2A

5 to 15A: 6% ± 0.2A

15 to 40A: 3% ± 0.2A

40 to 150A: 4%

Phase Shift: Not applicable

(*Reference conditions: 20° to 26°C, 20 to 75% RH,

external magnetic field <40 A/m, 48 to 65Hz sine wave,

distortion factor less than 1%, no DC component, no

external current carrying conductor, test sample

centered.)

Load impedance > 50kΩ

Overload: 170A for 10 minutes

Frequency Range: 48 to 500Hz

Limit Operating Conditions:

150A permanently to 500Hz

Influence of Adjacent Conductor:

< 2mA/A at 50Hz

Influence of Conductor Position in Jaw:

0.1% of mV output @ 50/60 Hz

Influence of Frequency:

65 to 500Hz: < ± 3% of mV output

Influence of Temperature:

≤ 200 ppm/°K, or 0.2% of mV output per 10°K

Influence of Humidity (10 - 90% RH):

≤ 0.1% of mV output

MECHANICAL SPECIFICATIONS

Operating Temperature:

14° to 122°F (-10° to +50°C)

Storage Temperature:

-40° to 176°F (-40° to +80°C)

Operating Relative Humidity:

14° to 122°F 85% RH (without roll-off above

122°F)

Maximum Cable Diameter:

One Ø 0.39" (10mm)

Case Protection:

IP 40 (IEC 529)

Dimensions:

5.12 x 1.5 x 1" (130 x 37 x 25mm)

Weight: 6.5oz (180g)

Output:

Double/reinforced insulated 5’ (1.5m) lead with

safety 4mm banana plug

SAFETY SPECIFICATIONS

International Standard:

Safety:

EN 61010-2-032

600V CAT III

EMC compatibility:

EN 61326-1 industrial immunity.

ORDERING INFORMATION

AC Current Probe MN09 ................... Cat #2129.21

Accessories:

Adapter – Set of 2, color-coded (red/black)

FEM-FEM to Male Leads .................... Cat #2115.98

Adapter – Banana (Female) – BNC (Male)

(XM-BB) ...............................................Cat #2118.46

99-MAN 100549 v1 01/21

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 MN09

• Connect the black lead of the current probe to “common” and the red lead to the DC voltage input on

your DMM or other voltage measuring instrument. The AC current probe has an output of 100mV DC/A

AC. This means that for 150AAC in a conductor around which the probe is clamped, 15VDC will come out

of the probe leads to your DMM or instrument. Select the range which corresponds to the measured

current. If the current magnitude is unknown, start with the highest range and work down until the

appropriate range and resolution are reached. Clamp the probe around the conductor. Take the reading

on the meter and multiply it by 10 to obtain the measured current (e.g, 1000mVDC reading = 1000 x 10 =

10,000mAAC or 10AAC).

•For best accuracy, avoid if possible, the proximity of other conductors which may create noise.

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. Contaminants cause air

gaps between the jaws, increasing the phase shift between primary and secondary. It is very critical for

power measurement.

MAINTENANCE:

Warning

• For maintenance use only original factory replacement parts.

• To avoid electrical shock, do not attempt to perform any servicing unless you are qualified to do so.

• To avoid electrical shock and/or damage to the instrument, do not get water or other foreign agents

into 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 fine sand paper (fine

600) to avoid scratching the jaw, 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.

Chauvin Arnoux®, Inc. d.b.a. AEMC®Instruments

15 Faraday Drive • Dover, NH 03820 USA

(800) 945-2362 (Ext. 360) • (603) 749-6434 (Ext. 360) • repair@aemc.com

(Or contact your authorized distributor.)

NOTE: All customers 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 use or

application of this instrument, please contact our technical hotline:

(800) 945-2362 (Ext. 351) • (603) 749-6434 (Ext. 351) • techsupport@aemc.com

LIMITED WARRANTY

The current probe is warranted 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.

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