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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2
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)
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/
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.
continued ...
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