REED R5700 User manual

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Model
Instruction
Manual
INSTRUMENTS
INSTRUMENTS
Clamp Ground Resistance
Tester
R5700
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Table of Contents
Safety ..........................................................................................................2
Features................................................................................................... 2-3
Applications.................................................................................................3
Specications..............................................................................................3
Product Description ....................................................................................4
Operating Instructions............................................................................. 4-5
Safety
• Beawareofyoursurroundings,environmentandmeasurementscope.
• Iftheinstrumentappliestogroundresistancetestinginsteadofcurrent
powerfrequencywireitwillaffecttheclampsmagneticpropertyand
theaccuracyofmeasurement.
• Payattentiontothelabeledwordsonsurfaceandbackboard.
• Beforeturningontheunit,pressonthetriggeracoupleoftimesto
conrmitcanproperlyopenandclose.
• Donotpressthetriggerorclampanywireswhenturningonthe
instrument.
• Onlyclampthetesteddesiredobjectafterthedisplayshows“OLΩ”.
• Keepthecontactsurfaceofthejawscleanandrefrainfromusingharsh
cleaning products.
• Refrainclampfromshock,specicallythejunctionsurfaceofjaw.
• Theexplosion-proofproductisprohibitedtodismantleandreplacethe
batteryindangerousplace.
• Whentakingmeasurementstheinstrumentwillsporadically“hum”.
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• Whentakingmeasurementsandthereisawarningtheinstrumentwill
begintobeep.
• Donotexceedthemaxmeasurements.
• Ifinstrumentwillnotbeusedforaprolongedamountoftime,remove
thebattery.
• Ifsomethingisdamaged,immediatelystopusingtheunit.
Features
• Auto-ranginggroundresistanceandleakagecurrentmeasurements
• 0.001Ωresolutionforlowresistancemeasurements
• 9999-countbacklitLCDdisplay
• Internalmemorystoresupto99readings
• Useradjustablealarms
• Dataholdfunction
• Durabledoublemoldedconductorclamp
• 1.26”(32mm)jawsizeforlargegroundrods
• Lowbatteryindicatorandautoshutoff
• Cat.III300Vsafetyrating
• Includes2resistancecalibrationLoops(1Ωand10Ω),batteryandhard
carrying case
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Specifications
Ground Resistance
Range 0.010-0.099Ω,0.10-0.99Ω,1.0-49.9Ω,
 50.0-99.5Ω,100-199Ω,200-395Ω,
 400-590Ω,600-880Ω,900-1200Ω
Accuracy “0.010-0.099Ω:±(1%+0.01Ω)
 0.10-0.99Ω:±(1%+0.01Ω)
 1.0-49.9Ω:±(1%+0.1Ω)
 50.0-99.5Ω:±(1.5%+0.5Ω)
 100-199Ω:±(2%+1Ω)
 200-395Ω:±(5%+5Ω)
 400-590Ω:±(10%+10Ω)
 600-880:±(20%+20Ω)
 900-1200Ω:±(25%+30Ω)”
Resolution 0.001Ω,0.01Ω,0.1Ω,1Ω,0.5Ω,1Ω,5Ω,
 10Ω,20Ω,30Ω
Current
Range 0-9.95A,10-99mA,100-300mA,
 0.30-2.99A,3-9.9A,10-30A
Accuracy “0-9.95A:±(2.5%+1mA)
 10-99mA:±(2.5%+5mA)
 100-300mA:±(2.5%10mA)
 0.30-2.99A:±(2.5%+0.1A)
 3-9.9A:±(2.5%+0.3A)
 10-30A:±(2.5%+0.5A)”
Resolution 0.5mA,0.1mA,1mA,0.01A,0.1A,0.1A
General
RangeSelection Autoranging
SamplingTime 0.5s
Display 9,999countLCDdisplay
BacklitLCD Yes
UserSelectableAlarms Yes
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DisplayHold Yes
InternalMemory Yesupto99datapoints
Autoshutoff Yes(after5mins)
PowerSupply 4“AA”Batteries
OverRangeIndicator Yes
LowBatteryIndicator Yes
JawOpening 1.26”(32mm)
OvervoltageCategory CAT.III300V
ProductCertications CE,RoHS
OperatingTemperature 32to131°F(0to55°C)
OperatingHumidity 10-90%
StorageTemperature -4to140°F(-20to60°C)
Dimensions 11.2x3.3x2.2”(285x85x56mm)
Weight 2.6lbs(1160g)
Product Description
1. ClampJaw
2. Trigger
3. Powerbutton
 Savebutton
 Alarmon/offtoggle
 Left/rightarrowbutton
Resistance/currentfunctionstoggle
4. Data Hold
5. LCD
6. RS232Port
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Display
1. Alarm
2. LowBatteryIndicator
3. Internalmemoryfull
4. Datainquiry
5. Numberof2-bitstored
data group
6. Current,voltage
7. Resistance
8. Noisesignal
9. Datahold
10.Clampjawopen
11.DC
12.Decimalpoint
13.AC
Operating Instructions
Power On/Off
PressthePOWERbuttontoturnon
theinstrument.TheLCDwilllightup
whenpoweredonandsymbolswill
appearonthescreen.
After5minutesofinactivitytheLCD
willblinkfor30secondsandthen
automaticallyshutoff.Pressthe
POWER buttontodelaythe
automaticshutoff.
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WhenintheDataHOLDmode,press
theHOLDbuttontogetoutofthe
HOLDmodeandpressthePOWER
buttontoshuttheoff.Whensetting
thealarmvalue,itisrequiredtopress
thePOWER or AL 3buttonfor3
secondstoshutoff.
Whentheinstrumentisturnedonit
willautomaticallycalibratesandgo
intoresistancemeasurementmode.
Ifitdoesn’tcalibrateproperlythe
LCDwillshow“ER”.Theerrorcould
befromthejawnotbeingclosed
properlyorfromdirtbuilduponthe
metalsurfaceoftheclamp.
Resistance Measurement
Wheninstrumentisturnedonand“OLΩ”isdisplayedontheLCDyou
canmeasuretheresistance.Pullthetriggertoopentheclampandclamp
onthecalibrationloopbeingmeasuredtoreadtheresistancevalue.
Iftheunitisbeepsandthedisplayashes,theresistancemeasurment
isexceedingthecrirticalsetalarm.WhileinDataHOLDmodepressthe
HOLDbuttontoexitandpressthePOWERbuttontopoweroff.
WhileinMRmode,presstheSAVEbuttontoexitthestatusandcontinue
tomeasure.Whensettingthecriticalalarmvalueitisrequiredtopress
thePOWERbuttonorAL 3buttonfor3secondstoexitthemodeand
continuetomeasure.WhileincurrenttestmodepresstheΩbuttonto
changetoresistancetestmode.
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Current Measurement
Oncepoweredon,pressthe“A”button
togointocurrentmodedisplayingAC
0.00mA(asshowninpicture).Pullthe
triggerandclamponthewiretoread
thecurrentvalue.
DisplayshowingOLA:Currentbeing
measuredexceedtheclampsmax.
Whentheinstrumentsbeepsandthe
displayashesitmeansthecurrent
beingmeasuredexceedsthealarm
criticalvalueimplemented.
WhileinDataHOLDmode,pressthe
HOLDbuttontoexitthestatusand
continuetomeasure.
WhileinMRmode,presstheSAVE
buttontoexitthestatusandcontinue
tomeasure.Whilesettingthecritical
alarmvalueitisrequiredtopressthe
POWERbuttonorAL 3buttonfor3
secondstoexitthemodeand
continuetomeasure.Whilein
resistancetestmodepresstheA
buttontochangetocurrenttestmode.
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Data Hold/Unlock/Store
Whileintestmode,presstheHOLD
buttontosavethepresentvalue.
WhenthedisplayshowsHOLD,the
holdvaluecanbesetasagroupof
dataandthenumberisautomatically
stored.PresstheHOLDbuttonagain
tocancelhold,andtheLCDsymbol
willdisappear.Upto99groupsofdata
canbestored.Whenthememoryis
full,theMEMsymbolwillash
ontheLCD.
Underthedatainquirymode,press
theSAVEbuttontoexitthedata
inquiruyandhold,storethedata.
Whilesettingthecriticalalarmvalue
itisrequiredtopressthePOWER
buttonorAL3buttonfor3seconds
toexitthemodeandcontinuetohold
andstoredata.Thedatawillnotbe
lostwheninstrumentisturned
on and off.
Accessing Saved Data
PresstheSAVEbuttontoenterinquiry
modeandtherstdatagroupwillbe
display.Presstherightandleftarrows
tomovethroughthestoreddata.Ifno
dataisstoreditwilldisplayasshown
in picture.
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Note: While setting the critical
alarm value it is required to press
the POWER button to exit mode
and press the SAVE button to enter
into the inquiry mode.
Setting the Alarm
Whileintestmode,presstheAL
buttontoopenorclosethealarm
functions.PresstheAL 3buttonfor
3secondstoenterintothealarm
criticalvaluesettingsfunction.The
highestvaluewillicker,setthemax
value.PresstheALbuttontoconvert
thenumbertoahighdigitandlow
digit.whenthenumberisashingon
theLCD,presstherightandleftarrow
buttonstochangethenumbervalue.
Aftersettingthevaluesyouwant,
presstheAL 3buttonfor3seconds
toconrmthecriticalvalue.Ifvalue
measuredexceedsthesealarms,
theinstrumentwillbeginbeeping.
Duringthesetupprocess,pressthe
POWERbuttontoexitthecritical
alarmsettingfunctionandbackto
measurementmode,withoutchanging
theprevioussetvalue.Whileindata
enquirymode,presstheSAVEbutton
toexitthemodeandtosetthe
criticalalarmvalue.
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