REED R5050 User manual

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R5050
TRMS AC/DC Clamp Meter
Instruction
Manual
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Model
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Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Table of Contents
Safety ............................................................................................ 3
Features......................................................................................... 4
Specications.............................................................................4-6
Instrument Description ...............................................................7-8
Measurement Procedures ........................................................9-12
Battery Replacement................................................................... 13
Product Maintenance .................................................................. 13
For service on this or any other REED product or information on other
REED products, contact REED Instruments at [email protected].
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Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Safety
• Read this manual before using the meter and follow all safety guidelines.
• Usethemeteronlyasspeciedinthisinstructionmanual.Otherwise
the meters protection may be impaired.
• Never use this meter on a circuit with voltages greater than 750Vrms @ 50/60 Hz.
• Donotoperatethemeterifthebodyortestleadslookdamaged.
• Checkthefunctionselectorrangeswitchandmakesureitisatthecor-
rectpositionbeforeeachmeasurementistaken.
• Donotperformresistanceandcontinuitytestsonalivecircuit.
• Exerciseextremecautionwhenmeasuringlivesystemswithvoltages
greaterthan60VCCor30VCA.
• Useextremecarewhenworkingaroundbusbarsandbareconductors.
• Donotusethemeterinoverrange/overloadconditions(OL).
•
Changethebatterywhenthe symbol appears to avoid incorrect readings.
Environmental Conditions
Altitudeupto2000meters.
OperatingTemperature:0°C~40°C,<80%RH,non-condensing
StorageTemperature:-10°C~60°C,<70%RH,batteryremoved
PollutionDegree:2
InstallationCategoriesIII(600V),II(1000V)
Symbols
Attention!RefertooperationInstructions.
Dangerous voltage may be present at terminals.
Thisinstrumenthasdoubleinsulation.
Approvals: EN61010600VCATIII1000VCATII
When servicing this meter, use only specied replacement parts. For service
(repairsorcalibration)onthisoranyotherREEDproductorinformationonother
REED products, contact REED Instruments at [email protected].
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Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Features
• TrueRMSmeasurements
• 3-3/4digitLCDwithhigh-speed,42-segmentbargraph
• Max/MinandDataHoldfunctions
• PeakHoldfunction
• Frequencymeasurement
• Diodeandcontinuitytestwithbeeper
• Polarityandoverloadindications
• Autoormanualranging
• Autopower-off
• Lowbatteryindication
Specifications
DigitalDisplay: 33/4digitsLCDdisplaywithmaximumreading3999
AnalogDisplay: Fast40segmentanalogbargraphdisplay
Symbol&ScaleRange:  Automaticdisplayaccordingsymbols
and range input signal
Polarity:
is displayed when negative signal applied to the input
OverLoad: isdisplayedwheninputsignalexceedsrange
SampleRate: 2times/secfordigitaldata;20times/secforanalogbar
LowBatteryIndication: is
displayed when the battery
 isbelowtherequiredvoltage
AutoPowerOff: Bydefault,themeterisinautopoweroffmode.The
meter will power itself off after 30 minutes without
 operation.Todisabletheautopoweroff,pressand
 holdthe“MAX/MIN”buttonandturnthemeteron.
JawOpening: 40mm
PowerSupply: 9V,NEDA1604or6F22or006P
BatteryLife: 40hourstypically(Alkaline)
Dimensions(LxWxH):  9.53x2.60x1.4”(242x66x36mm)
Weight: 400g(14.10oz)withbattery
Includes: Carryingcase,testleads,9Vbattery
and instruction manual
OptionalAccessories: FusedTestLeads(FC-300)
continued ...
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Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Electrical Specifications
Theaccuracyspecicationisdenedas±(…%ofreading+…count)at
23±5°C,
=
<
80%RH
TRMSforACVandACAaccuracyarespeciedfrom5%to100%ofthe
range.Fortheaccuracyadd±(1%ofreading)onCrestFactor1.4<CF<3
atfullscale&CF<6athalfscale.
ACA
Range Resolution Accuracy OverloadProtection
40A 0.01A
50~60Hz
±(1.9%rdg+
5digits)
60~500Hz
±(2.5%rdg+
5digits)
1200Arms400A 0.1A
1000A 1A
DCA
Range Resolution Accuracy OverloadProtection
40A 0.01A
±(2.5%reading+10digits) 1200Arms400A 0.1A
1000A 1A
ACV (Autorange)
Range Resolution Accuracy OverloadProtection
400V 0.1V ±(1.5%reading+5digits)
50~500Hz 1000Vrms
750V 1V
DCV (Autorange)
Range Resolution Accuracy OverloadProtection
400V 0.1V ±(1%reading+2digits) 1000Vrms
1000V 1V
Ohm (Resistance) (Autorange)
Range Resolution Accuracy OverloadProtection
400Ω 0.1Ω ±(1%reading+2digits) 600Vrms
4000Ω 1Ω
continued ...
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Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
(Diode)
Range TestCurrent OpenCircuitVoltage OverloadProtection
1.7mAMax. 6VMax. 600Vrms
Continuity
Range ActiveRegion OverloadProtection
<100Ω 600Vrms
Frequency (Hz) (Autorange)
Function Range Resolution Sensitivity Accuracy
A-Hz 4KHz 1Hz 2Arms
±(0.1%reading+
1digits)(20~10KHz)
10KHz 10Hz 5Arms
V-Hz 4KHz 1Hz 5Vrms
±(0.1%reading+
1digits)(10~10KHz)
10KHz 10Hz 10Vrms
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Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Instrument Description
1—CurrentSensingClamp
2—Clampopeninghandle
3 — Function select dial
4 — Hold Button
5—PeakHoldButton
6—MaximumMinimumButton
7—AC/DCSelectButton
8 — Relative Button
9—LCDDisplay
10—“COM”Terminal
11—“+”TestTerminal
Display
AutoPowerOffindication
Lowbatteryindication
Direct Source indication
Alternative
PositivePeakdetectindication
Relative indication
NegativePeakdetectindication
Manual range indication
Data Hold indication
Diode function indication
Continuitywithbeeper
Polarity indication
AnalogBardisplay
Resistance measure-
ment indication
Voltage&Current
measurement
indication
Frequencymeasure-
ment indication
continued ...
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Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Data Hold Function
Press the “HOLD”buttonatanytimetoholdthecurrentreading.To
release the data being held, simply press the “HOLD”buttonagain.
Peak Hold Function
Thismeterisdesignedwith1mspeakholdfunctionatACA,ACV,DCA
andDCVranges.Beforeperformingapeakholdoperation,acalibration
process must be completed rst.
Todothis,pressandholdthepeakbuttonfor2seconds.“CAL”willdis-
playontheLCDandtheoffsetwillbecalculatedandkeptinthemeter.
Afterthecalibrationiscomplete,youcanchooseP+orP-bypressing
the “PEAK + HOLD”buttontokeepthepeakreading.Toreturnthemeter
backtonormaloperation,pressthe“PEAK”buttonfor2seconds.
Whenthefunctionrangechanges,themeterwillrequireanothercalibra-
tionforpeakmeasurement.
MAX/MIN Function
ThismeterisdesignedwithaMAX/MINfunctionatACA,ACV,DCAand
DCVranges.
Press the “MAX/MIN”buttononcetosetthemetertotheMAXmode.
Press it once again to set the meter to MIN mode. Press it once again and
themeterwilldisplaythepresentreadingandwillcontinuetrackingthe
MAXandMINchanges.Thismodewillalsobeindicatedwiththeblinking
“MAX MIN”symbol.
Setthemeterbacktonormaloperationbypressingthe“MAX/MIN”
button for more than 2 seconds.
REL Function:
ThismeterisdesignedwithRELfunctionatACA,ACVandDCV,DCAranges.
Press the “REL”buttontochangethezerotothecurrentreadingandthe
relativevaluewillshowontheLCD.Pressitonceagainandthemeter
willdisplaytherelativezeropoint.Thismodewillalsobeindicatedwitha
blinking“REL”symbol.
Setthemeterbacktonormaloperationbypressingthe“REL”buttonfor
more than 2 seconds.
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Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Measurement Procedures
Current Measurement
Switch the main function selector to proper current range.
ACA
Opentheclampbypressingthejaw-openinghandleandinsertthecable
tobemeasuredintothejaw.ChooseACcurrentmeasurementbypress-
ing the “AC/DC”buttonforACAreadings.
DCA
TomeasureDCcurrent,chooseDCmeasurementbypressingthe
“AC/DC”button.Waitforthereadingtostabilizethenpressthe“REL”
buttontoresetthereading.Oncecompleted,insertthecabletobe
measuredintothejawandreadthevalue.
Notes:Beforetakingthismeasurement,disconnectthetestleadsfromthe
meter for safety. If the reading is difcult to read, push the “HOLD”button
and read the result later.
CORRECT
INCORRECT
(2wiresinside)
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Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Voltage measurement
SwitchthemainfunctionselectortoVoltageRange.ConnecttheRedtest
lead to the “+”terminalandtheBlackonetothe“COM”terminal.Choose
ACorDCbypressingtheAC/DCbutton.Measurethevoltagebytouching
the test lead tips to the test circuit where the value of voltage is needed.
ReadtheresultontheLCDpanel.
Resistance measurement
Switch the main function to the “Ω”range,
verify that the power line is disconnected from
thesystem.ConnecttheRedtestleadtothe
“+”terminalandtheBlackonetothe“COM”
terminal.Connectthetipsofthetestleadsto
the points where the value of the resistance is
needed.ReadtheresultontheLCDpanel.
Note: When measuring the resistance value of
acircuitsystem,makesurethepowerisoff
andallcapacitorsrequiredaredischarged.
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Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Continuity Test
Switch the main function to
the “ ”range,verify
that the power line is
disconnected from the
system.ConnecttheRed
test lead to the “+”terminal
andtheBlackonetothe
“COM”terminal.Connect
the tips of the test lead to
the points where the value of
the conduction condition
is needed. If the resistance
is under 100Ω, the beeper
will sound continuously.
Diode Test
Switch the main function to the
“”range,verifythatthe
power line is disconnected from the
system.ConnecttheRedtestleadto
“+”terminalandtheBlackonetothe
“COM”terminal.Connectthetipsof
the Red test lead to the anode side and
theBlacktestleadtothecathodeside
of the diode being tested. Read the
forwardVoltage(Vf)valueonthe
LCDpanel.
If the polarity of test leads are reversed
with diode polarity, the digital read-
ingwillshow“OL”.Thiscanbeused
for distinguishing between anode and
cathode terminals of a diode.
Beeper
©Shortcircuit©Opencircuit
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Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Frequency measurement
from the terminals
Switch the main function to the “Hz”
range.ConnecttheRedtestleadtothe
“+”terminalandtheBlackonetothe
“COM”.Connectthetipsofthetest
leadstothepointswherethefrequency
ofthevoltagesignalisrequired.Read
thevalueonetheLCDpanel.
Frequency measurement
with the clamp
Switch the main function to the “Hz”
range.Opentheclampbypressing
the clamp-opening handle and insert
the cable to be measured into the
clamp.Closetheclampandyouwill
ndthereadingontheLCDpanel.
Note:Whentakingfrequency
measurements, you should either use
the terminal signal or clamp signal
but not both. If both sources are
applied an error reading will occur.
www. .com [e-mail]1.800.561.8187

reedinstruments
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13
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Battery Replacement
1)Whenthebatteryvoltagedropsbelowtheproperoperationrangethe
symbolwillappearontheLCDdisplay,indicatingthatthebattery
needs to be changed.
2)Beforechangingthebattery,switchthemainfunctionto“OFF”and
disconnect the test leads.
3)Openthebackcoverusingascrewdriver.
4)Replacetheoldbatterywithanew9Vbattery.
5)Closethebackcoverandfastenthescrewsusingascrewdriver.
Product Maintenance
WARNING!
Before opening the meter, disconnect both test leads and never use
the meter before the cover has been reinstalled and fastened.
Toavoidcontaminationorstaticdamage,donottouchthecircuit
board without proper static protection.
Notes:
• Ifthemeterisnotgoingtobeusedforalongtime,takeoutthebatteryand
do not store the meter in high temperature or high humidity environment.
• Whentakingcurrentmeasurements,keepthecableatthecenterofthe
clamp to yield a more accurate test result.
• Repairsorservicingnotcoveredinthismanualshouldbeperformed
onlybyqualiedpersonal.
• Tocleanthemeter,periodicallywipethecasewithadrycloth.Donot
use abrasives or solvents on these instruments.
Forservice(repairsorcalibration)onthisoranyotherREEDproduct
or information on other REED products, contact REED Instruments at
[e-mail].
www. .com [e-mail]1.800.561.8187

reedinstruments
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14
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Notes _________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
www. .com [e-mail]1.800.561.8187

reedinstruments
www com
15
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Notes _________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
www. .com [e-mail]1.800.561.8187

reedinstruments
www com
16
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Notes _________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
www. .com [e-mail]1.800.561.8187