AEMC MR521 Manual de usuario

AC/DC Current Probes

Model MR411

Model MR521

USER MANUAL

600A

OFF

60A

600V CAT III - 600A

OUTPUT:

600A: 1 mV/A

60A: 10 mV/A

INSTRUMENTS

AC/DC CURRENT PROBE

Model MR 411

1500A

OFF

150 A

600V CAT III - 1500A

OUTPUT:

1500A: 1 mV/A

150A: 10 mV/A

INSTRUMENTS

AC/DC CURRENT PROBE

Model MR 521

Statement of Compliance

Chauvin Arnoux

, Inc. d.b.a. AEMC

Instruments

certifies 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 specifications.

An NIST traceable certificate 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 #: 1200.68 / 1200.69

Model #: MR411 / MR521

Please fill 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

Warning.................................................................................................... 2

International Electrical Symbols............................................................... 2

Definition of Measurement Categories......................................................3

Receiving Your Shipment......................................................................... 3

Description ............................................................................................... 3

Specifications........................................................................................... 4

Model MR411 Features............................................................................ 9

Model MR521 Features.......................................................................... 10

DMM/Display Compatibility ................................................................... 11

Operating Procedure.............................................................................. 12

Making Measurements with the Model MR Probes......................... 12

DC Measurement ............................................................................ 12

AC Measurement ............................................................................ 13

Indicator Lights ................................................................................ 13

Auto-Off .......................................................................................... 13

Operation Examples............................................................................... 14

DC Current Measurement Example (MR411) ..................................14

Measuring the DC Component of AC/DC Waveform (MR411)........15

Measuring the AC Component of AC/DC Waveform (MR521)........16

Tips for Making Precise Measurements................................................. 17

Typical Response Curves ..................................................................... 18

Maintenance........................................................................................... 20

Warning ........................................................................................... 20

Battery Replacement....................................................................... 20

Cleaning........................................................................................... 20

Warranty..................................................................................................20

Repair and Calibration .................................................(inside back cover)

Technical and Sales Assistance ...................................(inside back cover)

AC/DC Current Probe Models MR411 & MR521

- 2 -

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 before using the Model

MR411 or MR521. NEVER exceed the maximum voltage

ratings given.

Safety is the responsibility of the operator.

NEVER open the back of the instrument while connected to

any circuit or input.

ALWAYS connect the Model MR411 or MR521 to the display

device before clamping the probe onto the sample under test.

ALWAYS inspect the instrument and lead prior to use.

Replace any defective parts immediately.

NEVER use the Model MR411 or MR521 on electrical

conductors rated above 600V.

International Electrical Symbols

This symbol signifies that the instrument 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.

Risk of electric shock. The voltage at the parts marked with this

symbol may be dangerous.

This is a type A current sensor. This symbol signifies that

application around and removal from HAZARDOUS LIVE

conductors is permitted.

AC/DC Current Probe Models MR411 & MR521

- 3 -

Definition of Measurement Categories

CAT II: For measurements performed on circuits directly connected to

the electrical distribution system. Examples are measurements

on household appliances or portable tools.

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 IV: For measurements performed at the primary electrical supply

(<1000V) such as on primary overcurrent protection devices,

ripple control units, or meters

Receiving Your Shipment

Both models include a 9V battery, warranty card and user manual.

Upon receiving your shipment, be 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 with a detailed description of any

damage. Save the damaged packing container to substantiate your claim.

Description

The MR probes are designed to meet the latest safety and performance

standards. Two different hook-shaped jaws are offered, both permitting

the user to “pry” into or “hook” onto cables (will accept 2 x 500 MCM) or

even smaller bus bars.

The MR series uses Hall effect technology. The electronics and batteries

are self-contained in the handles. The output of the AC/DC probes is

1mV/A and 10mV/A. An auto zero push button ensures rapid and stable

zeroing. There is no output filtering - True RMS with DC components is

possible. Phase shift is excellent, making the MR series well suited for

power and power quality applications.

Model MR411 is a portable 400A AC (600A peak), 600A DC current

probe. Model MR521 is a portable 1000A AC (1500A peak), 1500A DC

current probe that accurately measures AC or DC current waveforms

using Hall effect technology.

Both models have proportional mV output for direct readings on

multimeters, recorders, loggers and other instruments accepting banana

plugs.

AC/DC Current Probe Models MR411 & MR521

- 4 -

Specifications

MR411 Specifications

ELECTRICAL

Current Range:

60A range:

0.2 to 40A AC (60A Peak)

0.4 to 60A DC

600A range:

0.5 to 400A AC (600A Peak)

0.5 to 600A DC

Output Signal:

10mV/A on 60A range

1mV/A on 600A range

Accuracy and Phase Shift*:

60A Range:

0.5 to 40A: 1.5% reading ± 0.5A

40 to 60A DC only:

1.5% reading

Phase Shift:

45 to 65Hz 10 to 20A: 3.5°

20 to 40A: 3°

600A Range:

0.5 to 100A: 1.5% reading ± 1A

100 to 400A: 2.0% reading

400 to 600 DC only:

2.5% reading

Phase Shift:

45 to 65Hz 10 to 100A: 3°

100 to 400A: 2.5°

MR521 Specifications

ELECTRICAL

Current Range:

150A Range:

0.2 to 100A AC (150A Peak)

0.4 to 150A DC

1500A Range:

0.5 to 1000A AC (1400A Peak)

0.5 to 1500A DC

Output Signal:

10mV/A on 150A range

1mV/A on 1500A range

Accuracy and Phase Shift*:

150A Range:

0.5 to 100A: 1.5% reading ± 0.5A

100 to 150A DC only:

2.5% reading.

Phase Shift:

45 to 65Hz 10 to 20A: 3.5°

20 to 100A: 3°

1500A Range:

1 to 100A: 1.5% reading ± 1A

100 to 800A: 2.5% reading ± 0.5A

800 to 1000A: 4% reading

1000 to 1200 DC only:

4% reading

Phase Shift:

45 to 65Hz 10 to 200A: 3°

200 to 1000A: 2.5°

(*Reference conditions: 18° to 28°C , 20 to 75% RH, external magnetic field <40

/m, no DC component, no external current carrying conductor, test sample

centered, 1M100 pF load, zero adjustment prior to measurement [DC only],

DC to 65Hz. Battery voltage 9V ± 0.1V)

AC/DC Current Probe Models MR411 & MR521

- 5 -

MR411 Specifications, cont.

Overload: 1500A DC and 1000A

AC continuous up to 1kHz

Noise:

60A Range:

DC to 1kHz 8mV

DC to 5kHz: 12mV

0.1Hz to 5kHz: 2mV

600A Range:

DC to 1kHz 1mV

DC to 5kHz: 1.5mV

0.1Hz to 5kHz: 500µV

Rise and Fall Time:

60A Range:

100µs from 10 to 90% Vout

600A Range:

70µs from 10 to 90% Vout

MECHANICAL

Humidity Influence:

10 to 90% RH @ reference

temperature 0.5%

Maximum Cable Diameter:

One 1.18" (30mm) or two 0.95"

(24mm) or two bus bars 1.24 x

0.39" (31.5 x 10mm)

Dimensions:

8.8 x 3.82 x 1.73"

(224 x 97 x 44mm)

Weight: 15oz (440g)

MR521 Specifications, cont.

Overload: 1500A DC and 1000A

AC continuous up to 1kHz

Noise:

150A Range:

DC to 1kHz: 8mV

DC to 5kHz: 12mV

0.1Hz to 5kHz: 2mV

1500A Range:

DC to 1kHz: 1mV

DC to 5kHz: 1.5mV

0.1Hz to 5kHz: 500µV

Rise and Fall Time:

150A Range:

100µs from 10 to 90% Vout

1500A Range:

70µs from 10 to 90% Vout

MECHANICAL

Humidity Influence:

10 to 90% RH @ reference

temperature 0.1%

Maximum Cable Diameter:

One 1.6" (42mm) or two 0.98"

(25.4mm) or two bus bars 1.96

x 0.19" (50 x 5mm)

Dimensions:

9.31 x 3.82 x 1.73"

(236.5 x 97 x 44mm)

Weight: 16oz (480g)

AC/DC Current Probe Models MR411 & MR521

- 6 -

Common Specifications (MR411 & MR521)

ELECTRICAL

Frequency Range: DC to 10kHz at -3dB

Load Impedance: >100k/100 pF

Insertion Impedance: 0.39M@ 50 Hz, 58M@1000Hz

Working Voltage: 600Vrms

Common Mode Voltage: 600Vrms

Influence of Adjacent Conductor:

< 10mA/A at 50Hz at 23mm from the probe

Influence of Conductor in Jaw Opening:

0.5% reading (DC to 440Hz)

Battery: 9V alkaline (NEDA 1604A, IEC 6LR61) recommended

Low Battery: Green LED when battery voltage 6.5V

Battery Life: Approx. 100H typical

Overload Indication:

Red LED indicates input greater than the selected range

Auto-Off: 10 minutes (may be disabled at power-up by pressing Zero

button while turning on; green LED blinks three times to indicate that

auto-off is disabled)

MECHANICAL

Operating Temperature Range:

14° to 131°F (-10° to 55°C)

Storage Temperature Range:

-40° to 176°F (-40° to 80°C)

Temperature Influence:

40mA/10K typical

300ppm/°K or 0.3%/10°K

AC/DC Current Probe Models MR411 & MR521

- 7 -

Operating Relative Humidity:

10-35°C: 90% ±5% RH (without condensation)

40-55°C: 70% ±5% RH (without condensation)

RH Influence:

10-35°C: 90% RH at reference

Temperature: 0.5% (MR411)

0.1% (MR521)

Altitude: Operating: 0 to 2000m

Non-operating: 0 to 12,000m

Zero Adjustment: Automatic zero (± 10) A by simple push button

increments of 25 to 40mA. Red LED goes on at push of the button and

turns off when zero is reached; no need to the hold button down.

Case protection: IP30 per IEC529

Drop Test:

1.0m on 38mm of oak on concrete; test according to IEC 1010

Mechanical Shock:

100G, test per IEC 68-2-27

Vibration: Test Per IEC 68-2-6,

Frequency Range:

5 to 15Hz, amplitude: 1.5mm

15 to 25Hz, amplitude 1mm

25 to 55Hz, amplitude: 0.25mm

Handle: UL94 V0

Jaws: UL94 V0

Color: Dark gray with red jaws

Output:

Double/reinforced insulated 5ft (1.5m) with safety 4mm banana plug

AC/DC Current Probe Models MR411 & MR521

- 8 -

SAFETY

Double insulation or reinforced insulation between primary, secondary

and outer case of handle per IEC 1010-2-032

600V Category III, Pollution: 2

7850V DC dielectric between primary or secondary and outer

hand-held case

Electromagnetic Compatibility:

Susceptibility in accordance with EN 50082-2 and EN 50082-1

Electrostatic discharge IEC 1000-4-2

Test voltages: 4kV level 2 in contact, aptitude criteria B

8kV level 3 in the air, aptitude criteria B

Radiated Field IEC 1000-4-3 (1995):

With max. interference of 5% of the measurement range:

3V/m level 3, aptitude criteria A

Fast transients IEC 1000-4-4 (1995):

Test voltage: 1kV level 2, aptitude criteria B

Magnetic fields at the frequency of the network to IEC 1000-4-8

(1995): With a max. distortion of 0.5A: 30A/m 50Hz level 4, aptitude

criteria A

Emissions in accordance with EN 50081-1:

Radiated emission through the case to EN 55022 (1994): class B

Conducted emission to EN 55022 (1994): class B

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