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5231
DIGITAL MULTIMETER
with Non-Contact Detection
E N G L I S H
User Manual

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Summary of Contents for AEMC 5231

  • Page 1 5231 DIGITAL MULTIMETER  with Non-Contact Detection E N G L I S H User Manual...
  • Page 2: Statement Of Compliance

    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 #: 2125.64 Model #:...
  • Page 3: Table Of Contents

    3.6 Voltage Measurement ............. 11 3.7 Resistance Measurement ............12 3.8 Continuity Test ................13 3.9 Diode Test ................14 3.10 Current Measurement Using a Clamp-on Probe ....15 4. MAINTENANCE ................16 4.1 Warning ...................16 4.2 Battery Replacement ..............16 4.3 Cleaning ..................16 Digital Multimeter Model 5231...
  • Page 4 5. SPECIFICATIONS................17 Repair and Calibration ................19 Technical and Sales Assistance ............19 Limited Warranty ...................20 Warranty Repairs ...................20 Digital Multimeter Model 5231...
  • Page 5: Introduction

    “equivalents”. Repairs and adjustments must be done by approved qualified personnel. • Replace the battery as soon as the symbol appears on the display unit. Disconnect all leads before opening the battery compartment cover. • Use personal protective equipment when conditions require. • Keep your hands away from unused terminals of the instrument. • When handling probes or contact tips, keep your fingers behind the guards. Digital Multimeter Model 5231...
  • Page 6: International Electrical Symbols

    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 distri- bution 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. Digital Multimeter Model 5231...
  • Page 7: Receiving Your Shipment

    Save the damaged packing container to substantiate your claim. Ordering Information Multimeter Model 5231 ............Cat. #2125.64 Includes set of two 5 ft color-coded leads (red/black) with needle tip {CAT IV 1000V 15A), soft carrying case and a user manual.
  • Page 8: Product Features

    (NCV function) • AC voltmeter with low input impedance (voltage measurements for electricity and electrical engineering) • AC/DC voltmeter with high input impedance (voltage measurements for electronics) • Ohmmeter • Continuity test with buzzer • Diode test • Ammeter (measurement using current clamp-on probe) Digital Multimeter Model 5231...
  • Page 9: Control Features

    Figure 2-1 1. NCV detection sensor (see § 3.5) 2. Analog and digital display (see § 2.3) 3. Function buttons (see § 2.4) 4. Rotary switch (see § 2.5) 5. Positive (Red) input and COM (Black) input Digital Multimeter Model 5231...
  • Page 10: Display Features

    • Returns to Auto-Range mode (long press > 2s) NOTE: Continuity and Diode modes are not Auto-ranging • Freezes/Unfreezes the display of the measured value (short press) • Activates/Deactivates the display backlight (long press > 2s) Digital Multimeter Model 5231...
  • Page 11: Rotary Functions

    AC or DC voltage measurement (V) AC or DC voltage measurement (mV) Resistance measurement Continuity test Diode test Current measurement with AC or DC clamp, ratio 1mV/A NCV (Non-contact Voltage) + Partial OFF mode of the multimeter (NCV function active) Digital Multimeter Model 5231...
  • Page 12: Operation

    A long press on the button during start-up, while turning the switch to any range, deactivates the Auto-OFF function. The symbol is not displayed. Auto and Manual Range Selection By default, the meter is in auto-range. This is indicated by the AUTO symbol on the display. While on, the instrument will automatically adjust to the correct measurement range when taking the measurement. To change the range selection to Manual, press the button. Digital Multimeter Model 5231...
  • Page 13: Non-Contact Voltage (Ncv)

    Non-Contact Voltage (NCV) • Turn the rotary switch to the NCV position. • Move the Model 5231 (NCV detection sensor) close to the potentially live conductor(s) (presence of phase). If a network voltage of 90V or greater is present, the back-lighting lights up red, otherwise, it remains off. Voltage Measurement The Model 5231 measures AC voltage at low input impedance (V Z), DC and AC voltages.
  • Page 14: Resistance Measurement

    • Turn the rotary switch to the position. • Insert the red lead to the red “+” input jack and the black lead to the black "COM" input jack. • Connect the test probe tips to the sample under test. Figure 3-2 Digital Multimeter Model 5231...
  • Page 15: Continuity Test

    • Insert the red lead to the red “+” input jack and the black lead to the black "COM" input jack. • Connect the test probe tips to the sample under test. • The buzzer sounds when the circuit to be checked is DC or has a resistance of less than 100Ω ± 3Ω. Figure 3-3 Digital Multimeter Model 5231...
  • Page 16: Diode Test

    • Insert the red lead to the red “+” input jack and the black lead to the black “COM” input jack. • Connect the test probe tips to the sample under test. Figure 3-4 Digital Multimeter Model 5231...
  • Page 17: 3.10 Current Measurement Using A Clamp-On Probe

    • Insert the current probe’s red lead to the red “+” input jack and the black lead to the black “COM” input jack. • Clamp the current probe around the current carrying conductor to be tested. Figure 3-5 Digital Multimeter Model 5231...
  • Page 18: Maintenance

    • Replace the battery compartment cover and tighten the screws. Cleaning • Disconnect all leads from the instrument and set the switch to OFF. • To clean the instrument, wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents. Dry thoroughly before use. • Do not get water inside the case. This may lead to electrical shock or damage to the instrument. Digital Multimeter Model 5231...
  • Page 19: Specifications

    40 to 60Hz Input Impedance 270kW *NOTE: A low input impedance serves to eliminate the effects of interference voltages due to the supply network, and makes it possible to measure an AC voltage with a minimum of error. Digital Multimeter Model 5231...
  • Page 20 IEC/EN 61010-1, 1000V CAT III, 600V CAT IV; Pollution Degree 2 Double Insulated Electro-magnetic EN-61326/A2:2001 Compatibility Drop Test 1m (in accordance with standard IEC-68-2-32) Case Protection IP54 as per EN 60529 *Not including current clamp sensor accuracy Digital Multimeter Model 5231...
  • Page 21: Repair And Calibration

    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, mail, fax or e-mail our technical support team: AEMC Instruments ® 200 Foxborough Boulevard Foxborough, MA 02035 USA Phone: (800) 343-1391 (508) 698-2115 Fax: (508) 698-2118 techsupport@aemc.com www.aemc.com NOTE: Do not ship Instruments to our Foxborough, MA address. Digital Multimeter Model 5231...
  • Page 22: Limited Warranty

    , 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 ® For full and detailed warranty coverage, go to www.aemc.com. The war- ranty information is located in our customer service section. What AEMC will do: ® If a malfunction occurs within the one-year period, you may return the instrument to us for repair, provided you submit a proof of purchase. AEMC...
  • Page 24 01/12 99-MAN 100358 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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