User’s Guide
MultiMaster™ Digital MultiMeter Series
With PC Interface
Models:
MM560A
MM570A
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A
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.
The meter protection rating, against the users, is double insulation per IEC61010-1 2nd Ed.,
EN61010-1 2nd Ed., UL61010-1 2nd Ed. and CAN/CSA C22.2 No. 61010.1-0.92 to Category III 1000
Volts AC & DC and Category IV 600 Volts AC & DC.
MM560A Terminals (to COM) measurement category:
V : Category III 1000 Volts AC & DC, and Category IV 600 Volts AC & DC.
A / mAA : Category III and Category IV 600 Volts AC and 300 Volts DC.
MM570A Terminals (to COM) measurement category:
V / A / mAA : Category III 1000 Volts AC & DC, and Category IV 600 Volts AC & DC.
Per IEC61010-1 2nd Ed. (2001) Measurement Category
Measurement Category IV (CAT IV) is for measurements performed at the source of the low-voltage
installation. Examples are electricity meters and measurements on primary overcurrent protection
devices and ripple control units.
Measurement Category III (CAT III) is for measurements performed in the building installation.
Examples are measurements on distribution boards, circuit- breakers, wiring, including cables,
bus-bars, junction boxes, switches, socket-outlets in the fixed installation, and equipment for industrial
use and some other equipment, for example, stationary motors with permanent connection to the fixed
installation.
Measurement Category II (CAT II) is for measurements performed on circuits directly connected to
the low voltage installation. Examples are measurements on household appliances, portable tools and
similar equipment.
TERMS IN THIS MANUAL
WARNING identifies conditions and actions that could result in serious injury or even death
CAUTION identifies conditions and actions that could cause damage or malfunction in the
to the user.
instrument.
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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. Keep your
fingers behind the finger guards of the test leads during measurement. Inspect test leads, connectors,
and probes for damaged insulation or exposed metal before using the instrument. If any defects are
found, replace them immediately. Do not measure any current that exceeds the current rating of the
protection fuse. Do not attempt a current measurement to any circuit where the open circuit voltage is
above the protection fuse voltage rating. Suspected open circuit voltage should be checked with
voltage functions. Never attempt a voltage measurement with the test lead inserted into the A/mA or
A input jack. Only replace the blown fuse with the proper rating as specified in this manual.
CAUTION
Disconnect the test leads from the test points before changing functions. Always set the instrument to
the highest range and work downward for an unknown value when using manual ranging mode.
INTERNATIONAL ELECTRICAL SYMBOLS
!
Caution ! Refer to the explanation in this Manual
Caution ! Risk of electric shock
Earth (Ground)
Double Insulation or Reinforced insulation
Fuse
AC--Alternating Current
DC--Direct Current
2) CENELEC Directives
The instruments conform to CENELEC Low-voltage directive 2006/95/EC and Electromagnetic
compatibility directive 2004/108/EC
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3) PRODUCT DESCRIPTION
Panel Illustration
1
1) 5-4/5 digits 500000
counts LCD display
2
A
2) Push-buttons for special
functions & features
3) Selector to turn the Power
On or Off and Select a
3
function
4) Input Jack for 10A (+)
(20A for 30sec) current, and
for T2 (-) function
4
5) Input Jack (+) for all
functions EXCEPT current
(A, mA, A) and T2
functions
5
6) Common (Ground
reference) Input Jack (-) for
all functions EXCEPT T2
function
6
7) Input Jack (+) for
milli-amp, micro-amp, and
T2 (+) functions
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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. The average value is then scaled upward (calibrated) to read the RMS value of a sine wave. In
measuring pure sinusoidal waveform, this technique is fast, accurate, and cost effective. In measuring
non-sinusoidal waveforms, however, significant errors can be introduced because of different scaling
factors relating average to RMS values.
AC True RMS
AC True RMS, normally refers as True RMS, identifies a DMM function that is AC coupled, and
responds accurately only to the effective RMS AC component value regardless of the waveforms.
However, DC component plays an important role in the distorted non-symmetrical waveforms, and will
also be of interest sometimes. A full wave rectified sine waveform is a good example, and the AC true
RMS function will only give the AC component reading which is at 43.6% of the total effective DC+AC
RMS reading.
DC+AC True RMS
DC+AC True RMS calculates both of the AC and DC components given by the expression
total effective RMS value regardless of the waveform. Distorted waveforms with the presence of DC
components and harmonics may cause:
1) Overheated transformers, generators and motors to burn out faster than normal
2) Circuit breakers to trip prematurely
3) Fuses to blow
4) Neutrals to overheat due to the triplen harmonics present on the neutral
5) Bus bars and electrical panels to vibrate
AC Bandwidth
AC bandwidth of a DMM is the range of frequencies over which AC measurements can be made within
the specified accuracy. It is not the frequency measurement function, and is the frequency response of
the AC functions. A DMM cannot accurately measure the AC value with frequency spectrums beyond
the AC bandwidth of the DMM. Therefore, wide AC bandwidth plays an important role in high
performance DMMs. In reality, complex waveforms, noise and distorted waveforms contain much
higher frequency spectrum than its fundamental.
NMRR (Normal Mode Rejection Ratio)
NMRR is the DMM's ability to reject unwanted AC noise effect that can cause inaccurate DC
measurements. NMRR is typically specified in terms of dB (decibel). This series has a NMRR
specification of > 60dB at 50 and 60Hz, which is a good and definite ability to reject the effect of AC
noise when making DC measurements.
CMRR (Common Mode Rejection Ratio)
Common mode voltage is voltage present on both the COM and VOLTAGE input terminals of a DMM,
with respect to ground. CMRR is the DMM's ability to reject common mode voltage effect that can
when making measurement, and can responds accurately to the
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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.
Analog bar-graph
The analog bar graph provides a visual indication of measurement like a traditional analog meter
needle. It is excellent in detecting faulty contacts, identifying potentiometer clicks, and indicating signal
spikes during adjustments. Analog bar-graph is not available in AC+DC True RMS Voltage & Current
modes.
4) OPERATION
CAUTION
Before and after hazardous voltage measurements, test the voltage function on a known source such
as line voltage to determine proper meter functioning.
AC Voltage, DC Voltage, DC+AC Voltage, &
In AC Voltage, press SELECT button momentarily to toggle between AC and dBm. In DC Voltage,
press SELECT button momentarily to toggle between DC, and DC+AC. In mV Voltage, 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. In DCV and DCmV, press 500000 button momentarily to
toggle between 4-4/5 digits and 5-4/5 digits readings. In voltage or current functions, press the
Hz push button momentarily to activate or to exit Line Level Frequency measuring function. Line
Level Frequency measuring function is designed especially for noisy electrical high voltage signals.
Note: In dBm function, power up default reference impedance will be displayed for 1 second before
displaying the dBm readings. Press dBm- (RANGE) button momentary to select different reference
impedance of 4, 8, 16, 32, 50, 75, 93, 110, 125, 135, 150, 200, 250, 300, 500, 600, 800, 900, 1000, up
to 1200. The new impedance value will be saved automatically to the non-volatile memory as power
up default.
dBm
Hz Line Level Frequency
dBm-Ω
dBm
A A A
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DCV
A A A
ACV
Hz
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. When activated from
voltage function, you can also press the RANGE button momentarily to select another trigger level
range manually. The analog bargraph pointer will point at the selected trigger level range scale 1, 2, 3,
or 4. If the Hz reading is unstable, select lower sensitivity to avoid electrical noise. If the reading shows
zero, select higher sensitivity.
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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.
A A A
Note: Unlike the Line Level Frequency measuring function as previously stated, this Logic Level
Frequency function is set only at the highest input sensitivity for measuring digital type electronic
signals.
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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
channels T1-T2 readings require 2 probes.
T
2
A A A
T-T
2
1
polarities. Dual
CF
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Resistance,
Press SELECT button momentarily to toggle between and
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.
Continuity functions
Continuity functions. The new
A A
CAUTION
Using resistance or continuity function in a live circuit will produce false results and may damage the
meter. In many cases the suspected component must be disconnected from the circuit to obtain an
accurate reading.
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Capacitance,
Press SELECT button momentarily to toggle between
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.
A A A
Diode test function
Capacitance and Diode test
Note: Normal forward voltage drop (forward biased) for a good silicon diode is between 0.400V to
0.900V. A reading higher than that indicates a leaky diode (defective). A zero reading indicates a
shorted diode (defective). An OL indicates an open diode (defective). Reverse the test leads
connections (reverse biased) across the diode. The digital display shows OL if the diode is good. Any
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other readings indicate the diode is resistive or shorted (defective).
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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. In DC mA function, neither in AC nor in DC+AC,
(
Hz) button for 1 second or more to display the current digital data in terms of loop current
percentage (%) value. It is set at 4mA = 0% (zero) and 20mA = 100% (span) with 0.01% high
resolution, which virtually extends the meters’ capability to test and regulate the externally powered
loop current in the industrial process control applications. The analog bar-graph remains showing the
mA current value to alert the user.
A
A A A
mA
press and hold
%4-20mA
the %4-20mA
Warning: When measuring a 3-phase system, special attention should be taken to the phase-to-phase
voltage that is significantly higher than the phase-to-earth voltage. To avoid exceeding the voltage
rating of the protection fuse(s) accidentally, always consider the phase-to-phase voltage as the
working voltage for the protection fuse(s).
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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.
MAX/MIN RECORDING mode
Press REC button momentarily to activate MAX/MIN recording mode. The LCD annunciators “R” and
“MAX MIN” turn on. The meter beeps when new maximum or minimum reading is updated. Press the
button momentarily to read throughout the Maximum (MAX), Minimum (MIN), and Maximum minus
Minimum (MAX-MIN) readings. Press the button for 1 second or more to exit MAX/MIN recording
mode. Auto Power Off feature will be disabled automatically in this mode.
PEAK Capture
Press the PEAK button momentarily to activate PEAK mode to capture voltage or current signal
duration as short as 0.8ms. This mode is available in DC, AC, DC+AC modes of voltage and current
functions. The LCD annunciators “C” & “MAX” turn on. The meter beeps when new maximum or
minimum reading is updated. Press the button momentarily to read throughout the Maximum (MAX),
Minimum (MIN), and Maximum minus Minimum (MAX-MIN) readings. Press the button for 1 second or
more to exit PEAK capture mode. Auto Power Off feature will be disabled automatically in this mode.
Relative Zero mode
Relative Zero allows the user to offset the meter consecutive measurements with the displaying
reading as the reference value. Practically MAX/MIN recording feature readings can also be set as
relative reference value. Press the
mode.
500000 high resolution mode
In DC voltage and frequency functions, press the 500000 button momentarily to toggle between the
4-4/5 digits fast mode and the 5-4/5 digits high resolution mode.
button momentarily to activate and to exit Relative Zero
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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
through the ranges. Press and hold the button for 1 second or more to resume auto-ranging mode.
Note: Manual ranging mode feature is not available in Hz function.
Hold
The hold function freezes the display for later view. Press the HOLD
activate or to exit the hold function.
Set Beeper Off
Press the
feature. However, the continuity and Jack Beep input warning features remain.
Beep-Jack™ Input Warning
The meter beeps as well as displays “InErr” to warn the user against possible damage to the meter
due to improper connections to the A, mA, or A input jacks when other function (like voltage function)
is selected.
Intelligent Auto Power Off (APO)
The Intelligent Auto Power Off (APO) mode turns the meter off automatically to extend battery life after
approximately 17 minutes of no activities. Activities are specified as: 1) Rotary switch or push button
operations, and 2) Significant measuring readings of above 10% of range or non-OL readings. In
other words, the meter will intelligently avoid entering the APO mode when it is under normal
measurements. To wake up the meter from APO, press the RECORD button momentarily or turn the
rotary switch to the OFF position and then turn back on again. Always turn the rotary switch to the OFF
position when the meter is not in use.
Disabling Auto Power Off
Press the RANGE button while turning the meter on to disable the Auto Power Off (APO) feature.
Hz button while turning the meter on to disable the push button operating beeper
turns off. Press the button momentarily again to step
button momentarily to
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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. Accuracy is
specified for a period of one year after calibration.
If self-diagnostic message “rE-O” is being displayed while powering on, the meter is re-organizing
internal parameters. Do not switch off the meter then, and it will be back to normal measurement
shortly. However, if self-diagnostic message “C_Er” is being displayed while powering on, some meter
ranges might be largely out of specifications. To avoid mis-leading measurements, stop using the
meter and send it for re-calibration. Refer to the WARRANTY section for obtaining warranty or repair
service.
Trouble Shooting
If the instrument fails to operate, check battery, fuses, leads, etc., and replace as necessary. Double
check operating procedure as described in this user’s manual. If the instrument voltage-resistance
input terminal is subjected to a high voltage transient (caused by lightning or switching surge to the
system) by accident or abnormal conditions of operation, the series fusible resistors will blow (become
high impedance) like a fuse to protect the user and the instrument. Most measuring functions using
this terminal will then be open circuit. The series fusible resistors and the spark gaps should then be
replaced by qualified technician. Refer to the WARRANTY section for obtaining warranty or repairing
service.
Cleaning and Storage
Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or solvents. If
the meter is not to be used for periods of longer than 60 days, remove the battery and store it
separately.
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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. (DMM-B-11A)
Battery replacement:
Loosen the 2 screws from the battery access door of the case bottom. Lift the battery access door and
thus the battery compartment up. Replace the battery. Re-fasten the screws.
Fuse replacement:
Loosen the 4 screws from the case bottom. Lift the end of the case bottom nearest the input jacks until
it unsnaps from the case top. Replace the blown fuse(s). Replace the case bottom, and ensure that all
the gaskets are properly seated and the two snaps on the case top (near the LCD side) are engaged.
Re-fasten the screws.
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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: 0C to 45C
Relative Humidity: Maximum relative humidity 80% for temperature up to
31C decreasing linearly to 50% relative humidity at 45C
Pollution degree: 2
Storage Temperature: -20C to 60C, < 80% R.H. (with battery removed)
Altitude: Operating below 2000m
Temperature Coefficient: nominal 0.1 x (specified accuracy)/ C @(0C -- 18C or
28C -- 40C), or otherwise specified
Sensing: AC, AC+DC True RMS
Safety: Double insulation per IEC61010-1 2nd Ed., EN61010-1
2nd Ed., UL61010-1 2nd Ed. & CAN/CSA C22.2 No.
61010.1-0.92 to Category III 1000V AC & DC and
Category IV 600V AC & DC
MM560A Terminals (to COM) Measurement Category:
V : Category III 1000 Vac & Vdc and Category IV 600 Vac
& Vdc.
A / mAA : Category III and Category IV 600 Vac and 300
Vdc.
MM570A Terminals (to COM) Measurement Category:
V / A / mAA : Category III 1000 Vac & Vdc and Category
IV 600 Vac & Vdc.
Overload Protection:
MM560A:
A : 10A/600V, IR 100kA or better, F fuse (KTK-10)
V : 1050Vrms, 1450Vpeak
mV,
MM570A:
A : 11A/1000V, IR 20kA or better, F fuse (DMM-B-11A)
V, mV,
Transient protection: 8kV (1.2/50s surge)
E.M.C.: Meets EN61326-1:2006 (EN55022, EN61000-3-2,
EN61000-3-3, EN61000-4-2, EN61000-4-3,
EN61000-4-4, , EN61000-4-5, EN61000-4-6,
EN61000-4-8, EN61000-4-11)
In an RF field of 3V/m Capacitance function is not specified, other function
ranges: Total Accuracy = Specified Accuracy + 100 digits,
performance above 3V/m is not specified
A & mA : 1A/600V, IR 10kA or better, F fuse (BBS-1)
, & Others : 600 Vdc & Vac rms
A & mA : 0.44A/1000V, IR 10kA or better, F fuse
, & Others : 1050Vrms, 1450Vpeak
(DMM-B-44/100)
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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: 55A typical for MM560A
30A typical for MM570A
Dimension: L186mm X W87mm X H35.5mm; L198mm X W97mm X
H55mm with holster
Weight: 390 gm; 500 gm with holster
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Electrical Specifications
Accuracy is (% reading digits + number of digits) or otherwise specified, at 23C 5C & less than
75% relative humidity.
True RMS voltage & current accuracies are specified from 5 % to 100 % of range or otherwise
specified. Maximum Crest Factor < 5:1 at full scale & < 10:1 at half scale, and with frequency
components within the specified frequency bandwidth for non-sinusoidal waveforms.
DC Voltage
RANGE
500.00 MV, 5.0000V,
50.000V
500.00V 0.04%+2D 0.05% + 2D
1000.0V 0.05%+ 2D 0.1%+2D
NMRR: >60DB @ 50/60HZ
CMRR: >120DB @ DC, 50/60HZ, RS=1K
Input Impedance: 10M, 30pF nominal (80pF nominal for 500mV range)
Ohms
RANGE
Accuracy
500.00
5.0000K
50.000K
500.00K
5.0000M
50.000M
Open Circuit Voltage: < 1.3VDC ( < 3VDC for 500 range)
Audible Continuity Tester Audible threshold: between 20 and 200 Response time <
dBm At 600, -11.76dBm to 54.25dBm,
MM570A MM560A
Accuracy
0.02% + 2D 0.03% + 2D
MM570A MM560A
0.07%+10D
0.07%+2D
0.2%+6D 0.4%+6D
2.0%+6D 2.0%+6D
100s
Accuracy: 0.25dB + 2d (@40Hz -- 20kHz)
Input Impedance: 10M, 30pF nominal
Selectable reference impedance of 4, 8, 16, 32, 50, 75, 93,
110, 125, 135, 150, 200, 250, 300, 500, 600, 800, 900, 1000,
1200
0.1%+6D
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AC & AC+DC Voltage
RANGE MM570A MM560A
Accuracy*
20Hz -- 45Hz 20Hz -- 45Hz
500.00mV, 5.0000V,
50.000V
500.00V, 1000.0V Unspecified
45Hz -- 300Hz 45Hz -- 300Hz
500.00mV 0.3% + 20d
5.0000V, 50.000V 0.8% + 20d
500.00V,
1000.0V
300Hz -- 5kHz 300Hz -- 1kHz
500.00mV 0.3% + 10d 0.8%+40d
5.0000V, 50.000V,
500.00V
1000.0V
5kHz -- 20kHz 1kHz -- 20kHz
500.00mV 0.5%+20d 1dB**
5.0000V, 50.000V 0.8%+20d 2dB**
500.00V 0.5%+20d 3dB**
1000.0V Unspecified Unspecified
20kHz -- 100kHz 20kHz -- 100kHz
500.00mV 2.5%+40d
5.0000V, 50.000V 4.0%+40d**
500.00V
1000.0V
*From 5% to 10% of range: accuracy % of reading (or in dB) + 80d
**From 5% to 10% of range: accuracy % of reading (or in dB) + 180d
**From 10% to 15% of range: accuracy % of reading (or in dB) + 100d
CMRR: >80dB @ DC to 60Hz, Rs=1k
Input Impedance: 10M, 30pF nominal (80pF nominal for 500mV range)
Residual reading less than 50 digits with test leads shorted.
1.5% + 60d
0.4% + 40d
0.4% + 40d
0.8% + 40d
(300Hz--1kHz)
Unspecified
Unspecified
0.8%+60d
2.0%+60d
1.0%+40d
Unspecified
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DC Current
RANGE Accuracy Burden Voltage
500.00A
5000.0A
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 & AC+DC Current
RANGE
500.00A 0.15mV/A
5000.0A 0.15mV/A
50.000mA 3.3mV/mA
500.00mA 3.3mV/mA
5.0000A 45mV/A
10.000A*
500.00A 0.15mV/A
5000.0A 0.15mV/A
50.000mA 3.3mV/mA
500.00mA 3.3mV/mA
5.0000A 45mV/A
10.000A*
500.00A 0.15mV/A
5000.0A 0.15mV/A
50.000mA 3.3mV/mA
500.00mA
5.0000A
10.000A*
*10A continuous, >10A to 15A (to 20A for MM570A) for 30 second
DC Loop Current: %4--20mA, 4mA = 0% (zero), 20mA = 100% (span),
Peak mode: Accuracy: Specified accuracy 100 digits for
T1-T2 Dual Temperature (MM570A only)
RANGE
-50.0C to 1000.0C 0.3%+1C
-58.0F to 1832.0F 0.3%+2F
0.15%+20d
0.1%+20d
MM570A
Accuracy
50Hz -- 60Hz
0.5%
+50d
40Hz – 1kHz
0.7%
+50d
1kHz – 10kHz
2.0%
+50d
Unspec'd Unspec'd 45mV/A
MM560A
1.0%
+40d
1.0%
+40d
Unspec'd
max with 5 minutes cool down interval
Resolution: 0.01%, Accuracy: 25d
changes > 0.8ms in duration
0.15mV/A
0.15mV/A
Burden Voltage
45mV/A
45mV/A
3.3mV/mA
Accuracy
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Thermocouple range & accuracy not included
Hz Line Level Frequency
RANGE Sensitivity (Sine RMS) Range
500mV 100mV 10Hz ~ 200kHz
5V 1V 10Hz ~ 200kHz
50V 10V 10Hz ~ 100kHz
500V 100V 10Hz ~ 100kHz
1000V 900V 10Hz ~ 10kHz
Accuracy: 0.02%+4d
Hz Logic Level Frequency
RANGE
5.0000Hz--2.00000MHz 0.002%+4d
Sensitivity: 2.5Vp square wave
%Duty Cycle
RANGE
0.1% -- 99.99% 3d/kHz+2d
Input Frequency: 5Hz -- 500 kHz, 5V Logic Family
Diode Tester
Capacitance
*Accuracies with film capacitor or better
**In manual-ranging mode, measurements not specified below 45.0F and 450F for 500.0F and
9999F ranges respectively
Accuracy
Accuracy
Range
5.0000V 1%+1d 0.4mA < 3.5 VDC
RANGE Accuracy*
50.00nF 0.8% + 3d
500.0nF 0.8% + 3d
5.000F
50.00F
500.0F**
9999F**
Accuracy
Test Current (Typical) Open Circuit Voltage
1.5% + 3d
2.5% + 3d
3.5% + 5d
5.0% + 5d
Copyright © 2012 Extech Instruments Corporation (a FLIR company)
All rights reserved including the right of reproduction in whole or in part in any form
www.extech.com
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ISO-9001 Certified
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