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Extech Instruments MultiMaster MM560A User Manual

Digital multimeter series with pc interface
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User's Guide
Extech MM570A MultiMaster High-Accuracy Multimeter
Extech MM570A-NIST MultiMaster High-Accuracy Multimeter
MultiMaster™ Digital MultiMeter Series
With PC Interface
Models:
MM560A
MM570A
netzerotools.com
netzerotools.com
netzerotools.com
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  • Page 1 netzerotools.com netzerotools.com User’s Guide Extech MM570A MultiMaster High-Accuracy Multimeter Extech MM570A-NIST MultiMaster High-Accuracy Multimeter MultiMaster™ Digital MultiMeter Series With PC Interface Models: MM560A MM570A netzerotools.com...

  • Page 2: Terms In This Manual

    netzerotools.com 1) SAFETY This manual contains information and warnings that must be followed for operating the instrument safely and maintaining the instrument in a safe operating condition. If the instrument is used in a manner not specified by the manufacturer, the protection provided by the instrument may be impaired. The meter is intended only for indoor use.

  • Page 3: International Electrical Symbols

    netzerotools.com WARNING To reduce the risk of fire or electric shock, do not expose this product to rain or moisture. To avoid electrical shock hazard, observe the proper safety precautions when working with voltages above 60 VDC or 30 VAC rms. These voltage levels pose a potential shock hazard to the user. Do not touch test lead tips or the circuit being tested while power is applied to the circuit being measured.

  • Page 4: Product Description

    netzerotools.com 3) PRODUCT DESCRIPTION Panel Illustration 1) 5-4/5 digits 500000 counts LCD display 2) Push-buttons for special functions & features 3) Selector to turn the Power On or Off and Select a function 4) Input Jack for 10A (+) (20A for 30sec) current, and for T2 (-) function 5) Input Jack (+) for all functions EXCEPT current...
  • Page 5 netzerotools.com Average sensing RMS calibrated RMS (Root-Mean-Square) is the term used to describe the effective or equivalent DC value of an AC signal. Most digital multimeters use average sensing RMS calibrated technique to measure RMS values of AC signals. This technique is to obtain the average value by rectifying and filtering the AC signal.

  • Page 6: Operation

    netzerotools.com cause digit rolling or offset in voltage measurements. This series has a CMRR specifications of > 80dB at DC to 60Hz in ACV function; and > 120dB at DC, 50 and 60Hz in DCV function. If neither NMRR nor CMRR specification is specified, a DMM's performance will be uncertain.
  • Page 7 netzerotools.com Note: Line Level Frequency measuring function input sensitivity varies automatically with voltage (or current) function range selected. The lower the measuring range the higher the sensitivity. That is, mV function has the highest and the 1000V range has the lowest as in voltage function ranges. It is recommended to first measure the signal voltage (or current) level then activate the Hz function in that voltage (or current) range to automatically get the most appropriate trigger level.
  • Page 8 netzerotools.com Hz Logic Level Frequency and % Duty Cycle functions Press SELECT button momentarily to toggle between Hz and % (duty cycle) readings. The new setting will be saved automatically to the non-volatile memory as power up default. Press 500000 button momentarily to toggle between 5 full digits and 6 full digits Hz readings.
  • Page 9 netzerotools.com T1-T2 Dual Channels Temperature function (MM570A only) Press SELECT button momentarily to toggle between C and F readings, and the new setting will be saved automatically in the non-volatile memory as power up default. Press T1-T2 (RANGE) button momentarily to select T1, T2, or T1-T2 readings. Note: Insert the banana plug K-type temperature bead probe with correct polarities.
  • Page 10 netzerotools.com  Resistance, Continuity functions Press SELECT button momentarily to toggle between  and Continuity functions. The new setting will be saved automatically to the non-volatile memory as power up default. Continuity function is convenient for checking wiring connections and operation of switches. A continuous beep tone indicates a complete wire.
  • Page 11 netzerotools.com Capacitance, Diode test function Press SELECT button momentarily to toggle between Capacitance and Diode test functions. The new setting will be saved automatically to the non-volatile memory as power up default. CAUTION Discharge capacitors before making any measurement. Large value capacitors should be discharged through an appropriate resistance load.
  • Page 12 netzerotools.com other readings indicate the diode is resistive or shorted (defective). MM560A-MM570A-EU-EN V1.1 8/12 netzerotools.com...
  • Page 13 netzerotools.com A, mA, A, and %4-20mA Current functions Insert the red test lead into the correct A/mA or A input jack. Press SELECT button momentarily to select DC, AC, or DC+AC. The new settings will be saved automatically to the non-volatile memory as power up default.
  • Page 14 netzerotools.com PC-COMM computer interface capabilities The instrument equips with an optical isolated interface port at the meter back for data communication. The optional PC interface kit is required to connect the meter to the PC computer. The software features a digital display, an analog display, a comparator and a Data Graphical recorder display. Refer to the README file in the interface kit for further details.
  • Page 15 netzerotools.com Backlighted display Press the SELECT button for 1 second or more to turn on or off the display backlight function. It will also be turned off automatically after 30 seconds to extend battery life. Manual or Auto-ranging Press the RANGE button momentarily to select manual-ranging mode, and the meter will remain in the range it was in, the LCD annunciator turns off.

  • Page 16: Maintenance

    netzerotools.com 5) MAINTENANCE WARNING To avoid electrical shock, disconnect the meter from any circuit, remove the test leads from the input jacks and turn OFF the meter before opening the case. Do not operate with open case. Install only the same type of fuse or equivalent Calibration Periodic calibration at intervals of one year is recommended to maintain meter accuracy.
  • Page 17 netzerotools.com Battery and Fuse replacement Battery use: 9V alkaline battery NEDA1604A, JIS6AM6 or IEC6LF22 MM560A: Fuse (FS1) for AmA current input: 1A/600V, IR 10kA or better, F fuse; (BBS-1) Fuse (FS2) for A current input: 10A/600V, IR 100kA or better, F fuse (KTK-10) MM570A: Fuse (FS1) for AmA current input: 0.44A/1000V, IR 10kA or better, F fuse, (DMM-B-44/100) Fuse (FS2) for A current input: 11A/1000V, IR 20kA or better, F fuse.

  • Page 18: Specifications

    netzerotools.com 6) SPECIFICATIONS Display: 4-4/5 digits 50,000 counts. Selectable stable mode 5-4/5digits 500,000 counts for DC Voltage, & 6 digits 999,999 counts for Hz Polarity: Automatic Update Rate: 4-4/5 digits fast mode: 5 per second nominal; 5-4/5 digits stable mode: 1.25 per second nominal; 42 Segments Bar graph: 60 per second max Operating Temperature:...
  • Page 19 netzerotools.com Power Supply: Single Alkaline 9V battery; NEDA1604A, JIS6AM6 or IEC6LF22 Power Consumption: 6mA typical Low Battery: Below approx. 7V APO Timing: Idle for 17 minutes APO Consumption: 55A typical for MM560A 30A typical for MM570A Dimension: L186mm X W87mm X H35.5mm; L198mm X W97mm X H55mm with holster Weight: 390 gm;...
  • Page 20 netzerotools.com Electrical Specifications Accuracy is (% reading digits + number of digits) or otherwise specified, at 23C  5C & less than 75% relative humidity. True RMS voltage & current accuracies are specified from 5 % to 100 % of range or otherwise specified.
  • Page 21 netzerotools.com AC & AC+DC Voltage RANGE MM570A MM560A Accuracy* 20Hz -- 45Hz 20Hz -- 45Hz 500.00mV, 5.0000V, 50.000V 1.5% + 60d Unspecified 500.00V, 1000.0V Unspecified 45Hz -- 300Hz 45Hz -- 300Hz 500.00mV 0.3% + 20d 5.0000V, 50.000V 0.8% + 20d 500.00V, 0.8%+60d 0.4% + 40d...
  • Page 22 netzerotools.com DC Current RANGE Accuracy Burden Voltage 0.15%+20d 500.00A 0.15mV/A 5000.0A 0.1%+20d 0.15mV/A 50.000mA 0.15%+20d 3.3mV/mA 500.00mA 0.1%+30d 3.3mV/mA 5.0000A 0.5%+20d 45mV/A 10.000A* 0.5%+20d 45mV/A *10A continuous, >10A to 15A (to 20A for MM570A) for 30 second max with 5 minutes cool down interval AC &...
  • Page 23 netzerotools.com Thermocouple range & accuracy not included Hz Line Level Frequency RANGE Sensitivity (Sine RMS) Range 500mV 100mV 10Hz ~ 200kHz 10Hz ~ 200kHz 10Hz ~ 100kHz 500V 100V 10Hz ~ 100kHz 1000V 900V 10Hz ~ 10kHz Accuracy: 0.02%+4d Hz Logic Level Frequency RANGE Accuracy 5.0000Hz--2.00000MHz...
  • Page 24 netzerotools.com ISO-9001 Certified MM560A-MM570A-EU-EN V1.1 8/12 netzerotools.com...

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Multimaster mm570a

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