
★Application
Professionalmeasurementforvariousresistancewithrapid inspection,
goodlinearity&precise.Variousoutputcontrolsenabletheinstrumenttoapply
withautoinspectionforqualifiedproduct,&toactaselectronicrulesforposi-
tioncontrol.What¡¯smore,itcanactas notonlymegohmmeterwithinbuilt
excitationvoltage(100-500V)forinsulationmaterial,butalsoconductivityana-
lyzerbychanginginnercalculatemode.Inaddtion,RS485communicationwill
realizeremotecontrolbyconnectwithPC/PLC.
Code Illustraction
DR □ - □□□□□□□ Measurerange,100K-500MΩ
Size: 8:48H×96W×80L
9:96H×96W×100L
!
Alarm RELAY: NO 250VAC 3A or 30V DC 3ACOS¢=1
Output 0-10V/4-20mA,configurable bysoftware.
Communicaiton
RS232/RS485 interface, MODBUS RTU protocol
Specifications
Power 80-260V AC 50/60Hz or 12--30VAC/DC
Variousresistance,conductivity,insulationresistance,etc.
Excitation
voltage
Short curcuit
protection
Inspected
Voltage:24V100V200V500V,etc.
Autocurrentcurcuitprotection
Accuracy ± 0.5%FS±2digit
Mounting
+
+
++
↑
D
↑
B
↑
A
↑
F
↑
E
↑
GH
↑
尺寸
型号
DR8
DR9
43.5+0.5 91+0.5 65 115 96 48 12 80
91+0.5 91+0.5 115 115 96 96 12 100
↑
C
A B C D E F G H
☆Eg.DRZ9-INN4500M: Meg Ohm meter,4-20mA
output,RS485communicaiton,without alarm,measure
range:0-500M, size:96*96*100mm, 80-260V AC/DC
power supply.
V
mA
AL1
uA AL2
AL3
SET
←
←
←
Ohm
AL1AL2AL3:theindicatelampsfor alarms
V/mA/uA:theindicatelampsforaddedvolt/ampunits
AL1
SET
OUT
AL2
<
<
<<
<</Rst
DR8
DR9
MYPIN
<</Rst
<<
<<
Parametersselect/confirmkey
《/ Rst :
:UP key
: DOWN key
SET:
Ω/KΩ/MΩ:the indicate lamps for Ohm units
ΩK Ω
M Ω
Volt
Amp
Special functions
1.Megohmmeter:Inthedeisplayingestate,press《〈/RST>3s,RUN(OUT)
lamp ON to clear last value,display volt/ampere.and prepare for next
measurement.
Whenit’sundermeasurement,RUN(OUT)lampOFF,novolt/ampereval-
uesdisplay,but keepthelastvaluemeasured.IfOPENdisplays,itmeans
ampere<0.1uAorresistance>500MΩ
2.Forregularmeasurement,theinstrumentcanbesettedtoacertainrange
tojudgeiftheobjectisqualifiedautomatically.Externaloutputisavailable.
RUN
In displaying estate,press SET>3s to enter/quit
setting estate
↓
↓
↓
L/H
Minmeasurablecurrentvalue.Whenthe
measuredvalue<thesettedvalue”OPEN”
displays.It’sjustthesamecaseifthe
resistance>500Mohm
↓
SET
↓SET
↓SET
SET
L/H
↓SET
SET
SET>3S
↓
↓
SET
SET
↓
Minmeasurablevoltvalue.Whenthemeasured
volt<thesettedvalue,theexcitationvlotdisplays0
SET
Note: Whenpoweron,theinstrumentisinreadymode.
Please press 《/RST>2s to start measurement.
DR series Meg Ohm Meter
User Manual
Thanksalotforselecting products!
Beforeoperatingthisinstrument,pleasecarefullyreadthismanualandfully
understanditscontents.Ifhaveproblems,pleasecontactoursalesordistribu-
torswhomyoubuyfrom.Thismanualissubjecttochangewithoutpriornotice.
Please do not turn on the power supplyuntil all of the wiring is completed.
Otherwiseelectricalshock,fireormalfunctionmayresult.
Donotwirewhenthepowerison.Donotconnecttheunusedterminals.Donot
turnonthepowersupplywhencleaningthisinstrument.Donotdisassemble,
repairormodifytheinstrument.Thismaycauseelectricalshock,fireormal-
function
Usethisinstrumentinthescopeofitsspecifications.Otherwisefireormal-
functionmayresult.
Theuselifeoftheoutputrelayisquitedifferentaccordingtoitcapacityand
conditions.Ifuseoutofitsscope,fireormalfunctionmayresult.
Thisinstrumentshouldbe installed ina domestic environment. Otherwise
electricalshock,fireormalfunctionmayresult.Theoperatingtemperature
environmentshouldbetween0(32F)to50(122F).
To avoidusingthisinstrumentinenvironmentfullofdustorcausticgas.
Toavoidusingthisinstrumentinenvironmentofstrongshockorconcussion.
Toavoidusingthisinstrumentinenvironmentofoverflowwaterorexplosiveoil.
Caution
Warning
Theinstrumenthastherecovableprotectionparts.Itcanpreventdemagesin
caseofshortcircuit.
Name of parts
①
←
Shift/Clear /Resetkey.Whenmeasuring,press >2sto
star/stopmeasurement.if stop,the instrument keepthe
valueuntilnextmeasurement
<
<
<
<
AL2:R:relay S:SSR/LOGIC
N:none
AL3:R:relay S:SSR/LOGIC
N:none
PowerSupply:Blank:90-260VAC/DC
E: 18-30V AC/DC
Analogue:Blank:none
I : DC 4-20mA V:0-10mA
DR series Precision Sensor Meter
Communicationinterface:Blank:none
2:R232 4:R485
AL1:R:relay S:SSR/LOGIC
N:none
1.Alarmsetting:Inthedisplayingestate,pressandholdSETkeyformore
than3seconds,enteralarmmodeparameterssettingmenu.Press<
</RSTkey,LEDflashes,press / keytomodify,andthenpressSET
keytoconfirm.PressSETkeytoreadthefollowingparametersonebyone.
2.Theinstrumentwillreturntothemeasuringestatewithoutanyoperation
for 25seconds.
Parameters setting
<
<
<
<
Operation process
Alarm1 setting,range: -19999-99999
Alarm1 modesetting,
H:High output L:Low output
Alarm2 modesetting
H:Highoutput L:Lowoutput
Alarm2 setting,range:-19999-99999
AnalogueLow valuesetting,range:
LSP≤trH≤USP
AnalogueHigh valuesetting,range:
LSP≤trH≤USP
Passwordselection,range:0-200
LCK=000 meanstheparametercan bemomodified.
LCK=010,isforread only.
Power ON
↓
↓
↓
↓
All LED on
Input signal type
Up linit
Down limit
PV display
Rate setting