AEMC MA114 User Manual Download Page 3

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AC Current Probe Model MA114

CONTENTS

PRECAUTIONS FOR USE .................................................................................. 5

RECEIVING YOUR SHIPMENT ...................................................................... 6

1. DESCRIPTION ................................................................................................. 7

1.1. GENERAL ................................................................................................ 7

1.2. MINIFLEX

MODEL MA114 ..................................................................... 7

2. OPERATION .................................................................................................... 8

2.1. MEASUREMENT PRINCIPLE .................................................................. 8

2.2. OPERATION ............................................................................................ 8

2.2.1. CONNECTING THE MA114 ............................................................. 8

2.2.2. DISCONNECTING THE MA114 ..................................................... 10

2.2.3. AUTOMATIC POWER OFF ............................................................ 10

2.3. EXTERNAL POWER (OPTIONAL) ......................................................... 10

3. SPECIFICATIONS ......................................................................................... 12

3.1. REFERENCE CONDITIONS .................................................................. 12

3.2. ELECTRICAL CHARACTERISTICS ....................................................... 12

3.3. VARIATIONS IN THE RANGE OF USE ................................................. 13

3.4. TYPICAL FREQUENCY RESPONSE GRAPHS .................................... 13

3.4.1. AMPLITUDE ERROR ..................................................................... 13

3.4.2. PHASE ERROR .............................................................................. 13

3.5. TYPICAL FREQUENCY RESPONSE GRAPHS .................................... 14

3.6. POWER SUPPLY ................................................................................... 14

3.6.1. BATTERIES .................................................................................... 14

3.6.2. EXTERNAL POWER (OPTIONAL) ................................................. 14

3.7. ENVIRONMENTAL CONDITIONS ......................................................... 15

3.8. PHYSICAL SPECIFICATIONS ............................................................... 15

3.9. CONFORMITY TO INTERNATIONAL STANDARDS ............................. 16

3.10. ELECTROMAGNETIC COMPATIBILITY (CEM) .................................. 16

4. MAINTENANCE ............................................................................................. 17

4.1. CLEANING ............................................................................................. 17

4.2. BATTERY REPLACEMENT ................................................................... 17

WARRANTY ...................................................................................................... 18

Summary of Contents for MA114

Page 1: ...ENGLISH User Manual AC CURRENT PROBE MA114 ...

Page 2: ...ay 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 2153 41 Mod...

Page 3: ...FICATIONS 12 3 1 REFERENCE CONDITIONS 12 3 2 ELECTRICAL CHARACTERISTICS 12 3 3 VARIATIONS IN THE RANGE OF USE 13 3 4 TYPICAL FREQUENCY RESPONSE GRAPHS 13 3 4 1 AMPLITUDE ERROR 13 3 4 2 PHASE ERROR 13 3 5 TYPICAL FREQUENCY RESPONSE GRAPHS 14 3 6 POWER SUPPLY 14 3 6 1 BATTERIES 14 3 6 2 EXTERNAL POWER OPTIONAL 14 3 7 ENVIRONMENTAL CONDITIONS 15 3 8 PHYSICAL SPECIFICATIONS 15 3 9 CONFORMITY TO INTERN...

Page 4: ...ecyclable in accordance with standard ISO14040 Conforms with European directives and with regulations covering EMC In the European Union the product must undergo selective disposal for the recycling of electric and electronic material in compliance with Directive WEEE 2002 96 EC Definition of Measurement Categories CAT CAT IV Measurement category IV corresponds to measurements taken at the source ...

Page 5: ...specifications Comply with the conditions of use temperature humidity altitude degree of pollution and location of use Do not use the MA114 if it is open damaged or incorrectly reassembled Before each use check the integrity of the insulation on the coil the leads and the electronic unit The application or withdrawal of the sensor on uninsulated conductors at dangerous voltages requires the use of...

Page 6: ...pears to be damaged file 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 Ordering Information MiniFlex 14 Model MA114 3A 1V A 30A 100mV A 300A 10mV A 3000A 1mV A Cat 2153 41 Includes two 1 5 V batteries AA or LR6 multilingual safety data sheet user manual and verificat...

Page 7: ...ent having an input impedance of 1 MΩ 1 2 MINIFLEX MODEL MA114 MiniFlex MA114 single phase 14 35 cm sensor converts alternating currents ranging from 3 to 3000 A into proportional AC voltages Flexible coil Banana plugs 2 0 16 4 mm diameter Sensor opening button OL indicator red indicates reading exceeds measurement range Shielded cable Switch to activate instrument and select sensitivity Auto Powe...

Page 8: ... effect and therefore no overheating wide measurement dynamic up to several kA insensitivity to DC measurement of the AC component of any AC DC signal light weight no magnetic circuit 2 2 OPERATION 2 2 1 CONNECTING THE MA114 1 Connect the output leads to a measuring instrument for example a multimeter having an input impedance 1 MΩ Turn it ON and set to AC voltage measurement ...

Page 9: ... to be measured only one conductor in the sensor at a time Close the coil an audible click sounds as the coil is closed Use individual protection equipment when measuring an uninsulated conductor carrying a high voltage To optimize measurement center the conductor in the coil 5 Set the switch to the range providing the best sensitivity and ensure the red OL indicator is off OL indicates saturation...

Page 10: ...eature is activated the orange Auto Power Off indicator is lit To override automatic power off 1 With the MA114 OFF press and hold down the Auto Power Off button while turning the sensor ON by turning the switch to any measurement setting 2 Continue to hold down Auto Power Off for longer than 2 seconds The orange Auto Power Off indicator remains OFF indicating this feature is disabled 2 3 EXTERNAL...

Page 11: ...e insulation between the type B micro USB connector and the measurement output is 1000 V CAT III or 600 V CAT IV That makes it possible to safely connect the instrument to wattmeters with uninsulated inputs The type B micro USB connector must not be in contact with conductors or uninsulated material at dangerous voltages ...

Page 12: ... unit 1 MΩ 3 2 ELECTRICAL CHARACTERISTICS Parameter Value Range 3 A 30 A 300 A 3000 A Specified measurement range 0 5 to 3 A 2 to 30 A 5 to 300 A 50 to 3000 A Output input ratio mV A 1000 100 10 1 Maximum peak factor 1 5 at IN I nominal Intrinsicuncertainty of output signal 1 40 mV 1 4 mV 1 5 0 4 mV I 10 IN 1 0 4 mV I 10 IN 1 5 0 04 mV I 10 IN 1 0 04 mV I 10 IN Maximum offset voltage 0 mVDC Phase ...

Page 13: ...2 0 5 USB supply voltage 5 V 0 5 1 5 Position of the conductor in the undeformed sensor Any position 1 2 5 Adjacent conductor carrying an AC voltage Conductortouchingsensor 0 2 1 2 near snap lock Deformation of the sensor Oblong shape 0 2 1 Common mode rejection 600 V between the jacket and the secondary 100 dB 80 dB Input impedance of the measuring instrument 10 kΩ to 1 MΩ 0 1 3 4 TYPICAL FREQUEN...

Page 14: ...s operation 1 800 10 minute measurements When the MA114 is not connected to line power and the green On indicator goes off the batteries must be replaced see 4 2 3 6 2 EXTERNAL POWER OPTIONAL The MA114 can be powered by a standard line adapter 5 VDC 100 mA with a type B micro USB connector When the adapter is connected and the switch is set to OFF the On indicator is lit steadily When the MA114 is...

Page 15: ...r 10 minutes Degree of pollution 2 Altitude 6500 2000 m 3 8 PHYSICAL SPECIFICATIONS Coil Length 14 35 cm Clamping diameter 4 10 cm Shielded lead between the sensor and the electronic unit Diameter 0 16 4 mm Length 78 7 2 m Electronic unit Dimensions 4 72 x 2 28 x 1 42 120 x 58 x 36 mm Output cable Length 19 7 50 cm Diameter 2 plugs 0 16 4 mm Weight approximately 10 5 oz 300 g Protection index IP 5...

Page 16: ...ONAL STANDARDS Electrical safety per IEC 61010 2 032 for type B sensors Double insulation Measurement category IV Rated voltage 600 V or 1000 V in CAT III 3 10 ELECTROMAGNETIC COMPATIBILITY CEM Emissions and immunity in an industrial environment per IEC 61326 1 ...

Page 17: ...rced air Do not use alcohol solvents or hydrocarbons Ensure no foreign body interferes with the operation of the snap lock button of the sensor 4 2 BATTERY REPLACEMENT The batteries must be replaced when the On indicator remains off upon power up 1 Disconnect the sensor completely and turn the rotary switch to OFF 2 Use a screwdriver to remove the two screws closing the electronic unit 3 Replace t...

Page 18: ...ment to us for repair provided we have your warranty registration information on file or a proof of purchase AEMC Instruments will at its option repair or replace the faulty material WARRANTY REPAIRS What you must do to return an instrument for Warranty Repair First request a Customer Service Authorization Number CSA by phone or by fax from our Service Department see address below then return the ...

Page 19: ...AC Current Probe Model MA114 19 NOTES ...

Page 20: ...05 19 99 MAN 100494 v1 Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 603 749 6434 Fax 603 742 2346 www aemc com ...

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