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Digital Multimeter User Manual Part Number: MP730424-US Newark.com/multicomp-pro Farnell.com/multicomp-pro sg.element14.com/b/multicomp-pro Page <1> 19/01/25 V1.0...
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Table of Contents 1. Safety Information ............................... 4 Safety Terms and Symbols ..........................4 General Safety Requirements ..........................5 Measurement Limits ............................5 Main Input Terminals (HI Input and LO Input) Measurement Limits ..............6 Current Input Terminal (I) Measurement Limits ....................6 Sense Terminals (HI Sense and LO Sense) Measurement Limits ..............
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Math ..................................24 Max/Min ................................24 dB/dBm ................................24 Relative Value ..............................24 Data Record Function ............................25 Manual Record ..............................25 Auto Record ..............................25 Port Configuration .............................. 26 Serial ................................. 26 Language ................................26 Backlight ................................26 Clock ................................. 27 Default ................................
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1. Safety Information Safety Terms and Symbols Terms in this Manual. The following terms may appear in this manual: Warning: Warning indicates the conditions or practices that could result in injury or loss of life. Caution: Caution indicates the conditions or practices that could result in damage to this product or other property. Terms on the Product.
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General Safety Requirements Before first use, please read the following safety precautions to avoid any possible personal injury and prevent this product or any other products connected to it from damage. • Check that the voltage indicated on the rating plate corresponds with that of the local network before connecting the appliance to the mains power supply.
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Main Input Terminals (HI Input and LO Input) Measurement Limits The HI and LO input terminals are used for voltage, resistance, continuity, frequency (period), capacitance, diode, and temperature test measurements. Two Measurement Limits are defined for these terminals: • HI Input to LO Input Measurement Limit The Measurement Limit from HI Input to LO Input is 1000V DC or 750V AC, which is also the maximum voltage measurement.
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2. Check the Accessories. Check that all the accessories are intact. If there is any accessory missing or damaged, please get in touch with the Multicomp-pro distributor. 3. Check the Complete Instrument. If it is found that there is damage to the appearance of the instrument, or the instrument does not work normally, or fails in the performance test, please get in touch with the Multicomp-pro distributor.
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Item Name Description Display the user interface Menu selection Keys Activate the corresponding menu Operation Keys Collect data in manual record. The instrument saves current reading each time the Save key is pressed. See Manual Record. Save Access menus of manual record and auto record. See Data Record Function.
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Dual Press this key to display the function list on the right menu, select a function, if the function is supported, the reading will be displayed in the Vice Display. Dual Exit Press the key to exit dual display mode. Item Name Description...
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Power On (1) Connect the instrument to the AC supply using the supplied power cord. Warning: To avoid electric shock, the instrument must be grounded properly. (2) Press the power button at the front panel, the screen shows the boot screen. Measurement Connections After selecting the desired measurement function, please connect the signal (device) under test to the multimeter according to the method below.
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3. Functions and Operations To set the Range The instrument provides auto and manual range. In auto range, the multimeter selects a proper range automatically according to the input signal; in manual range, you can use the front panel key or menu softkey to set the range. The auto range can bring a lot of convenience for users while the manual range provides higher reading precision.
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2. Connect the test lead. 3. Set the range. Press the Range softkey to set the range. Auto range automatically selects the range for the measurement based on the input. Note: • 1000 V input protection is available in all ranges. •...
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2. Connect the test lead. 3. Set the range. Press the Range softkey to set the range. Auto range automatically selects the range for the measurement based on the input. Note: • 750 V input protection is available in all ranges. •...
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2. Connect the test lead. 3. Set the range. Press the Range softkey to set the range. Auto range automatically selects the range for the measurement based on the input. Note: • The multimeter uses two kinds of fuses for current protection: the 10 A current input fuse on the front panel and the built-in 12 A current input fuse.
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2. Connect the test lead. 3. Set the range. Press the Range softkey to set the range. Auto range automatically selects the range for the measurement based on the input. Note: • The multimeter uses two kinds of fuses for current protection: the 10 A current input fuse on the front panel and the built-in 12 A current input fuse.
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Operating Steps: 1. Enable the Ω2W/Ω4W measurement. Press on the front panel to enter resistance measurement mode. Press the Model softkey to switch between Ω2W and Ω4W. 2. Connect the test lead. Newark.com/multicomp-pro Farnell.com/multicomp-pro sg.element14.com/b/multicomp-pro Page <17> 19/01/25 V1.0...
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3. Set the range. Press the Range softkey to set the range. Auto range automatically selects the range for the measurement based on the input. Note: • 1000 V input protection is available in all ranges. • 10% over range for all ranges except 50 MΩ range. If the reading exceeds 55 MΩ in 50 MΩ range, “overload” will be displayed.
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3. Set the beeper. Press the Beeper softkey to enable or disable the beeper. When the beeper is enabled, the reading is below 30 Ω, the multimeter will beep continuously. 4. Set the short-circuit resistance. Press the Threshold softkey to set the short-circuit resistance. Press to move the cursor, press to increase or decrease the value.
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4. Diode measurements behave as follows: Forward pressure drop of diode Display and beep 0 to 3 V Displays measured voltage, and the multimeter beeps when the voltage is below 0.7 V (if beeper enabled) > 3 V Displays “Open” with no beep Measuring Capacitance This section describes how to configure capacitance measurements.
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Measuring Frequency and Period When measuring AC voltage or AC current, you can use the dual display function to obtain the measured signal’s frequency and period (see Dual Display), or press to measure the frequency or period directly. This section describes how to configure frequency and period measurements. Operating Steps: 1.
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4. Set the relative value. Press the Rel softkey to turn on or off the relative operation. For relative operation, the multimeter subtracts the pre-specified value of REL operation from the actual measurement result and displays the result. See the “Relative Value” Position. Measuring Temperature This section describes how to configure temperature measurements.
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6. Set the relative value. Press the Rel softkey to turn on or off the relative operation. For relative operation, the multimeter subtracts the pre-specified value of REL operation from the actual measurement result and displays the result. See the “Relative Value”. Position. Dual Display Using dual display function, you can view the readings of two measurement functions simultaneously.
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Note: • The multimeter makes the primary and secondary measurements alternately, the primary and secondary readings update respectively. • If the Max/Min, dB/dBm, or relative value of the math operation is turned on in the main display, the math operation is automatically turned off when dual display is turned on.
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Press the Ref R softkey to select the reference resistance. The value may be 50 (default), 75, 93, 110, 124, 125, 135, 150, 250, 300, 500, 600, 800, 900, 1000, 1200, or 8000 Ω. • dB Function dB represents the relative value which is used in the relative operation of dBm value. When enabled, the multimeter calculates the dBm value of the reading and subtracts the preset dB from this value and then displays the result: dB = 10 x Log ( reading...
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3. Clear the manual record: Press the Clear soft key to clear all data in the data table.(Note: because manual and automatic records share the same data table, automatic readings are also erased.). Auto Record 1. Configure the parameters: Press the front panel key, press the Auto softkey. Press the Point softkey to specify the total number of readings to record.
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Clock Press the front panel key, press the Clock softkey. The clock menu displays the date and time. The time always uses a 24-hour format (00:00:00 to 23:59:59). Press the Set softkey to edit the date and time, press to move the cursor, press to increase or decrease the value.
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4. Measurement Tutorial Loading Errors (DC Voltage) Measurement loading errors occur when the resistance of the DUT(Device-Under-Test) is an appreciable percentage of the multimeter’s input resistance, as shown below. = ideal DUT voltage = DUT source resistance = multimeter input resistance For the mV range,input impedance≥...
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The multimeter’s AC voltage and AC current functions measure the AC-coupled true rms value, the RMS value of only the AC components of the input waveform are measured (DC is rejected). As seen in the figure above; for sine waves, triangle waves, and square waves, the AC–coupled and AC+DC values are equal, because these waveforms do not contain a DC offset.
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You can estimate the measurement error due to signal crest factor as shown below: Total Error=Error (Sine wave) + Error (Crest factor) + Error (Bandwidth) Error (Sine wave): error for sine wave as shown in Technical Specifications. Error (Crest factor): crest factor additional error as shown in Technical Specifications. Error (Bandwidth): estimated bandwidth error as shown below: C.F.: Signal crest factor F: Fundamental frequency of pulse...
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6. Technical Specifications Function Range[2] Resolution Accuracy: ± (% of reading + LSB)d 50.000 mV 0.001 mV 0.1% + 10 500.00 mV 0.01 mV 0.025% + 5 5.0000 V 0.0001 V 0.025% + 5 DC Voltage 50.000 V 0.001 V 0.03% + 5 500.00 V 0.01 V...
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[1] Specifications are for 30-minute warm-up, “Low” measurement rate and calibration temperature 18°C - 28°C. [2] 10% over range on all ranges, except 1,000 V DCV, 750 ACV, 10 A DCI, 10 A ACI, 50 MΩ resistance, and 50 mF capacitance. [3] For each additional volt over ±...
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Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group’s liability for death or personal injury resulting from its negligence. Multicomp Pro is the registered trademark of Premier Farnell Limited 2019.
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