Dff Digital Electrical Frequency Meter

Dseriesintellectiveelectricmeter(DigitalAmmeter,DigitalVoltmeter,FrequencyMeter,
Tachometerandsoon)isatypeofmultifunctionalcompositetypemeter,itapplytoelectric
powerandelectricnetwork,fieldmonitoringanddisplayofautomaticcontrolsystemsandremote
controlandmeasurementofautomaticdispatchtelemechanicaldevice,itsfunctionistooutput
standardcurrentorvoltagetransfersignalusingCPUoperationelectricnetwork'sparameter,
suchascurrent,voltage,3phasepower,frequencyandsoon,andthenA/D'sconversion.Alsothis
meterhasRS232orRS485communicationinterfacebejoinedwithlongrangedataterminal
TRU.
Maintechnicalspecification
1,AccuracyClass:0.5%F·S±1B
2,DisplayDigit:4
3,ReferenceInput:AC/AV:0~5A/0~500VvoltsD.C.:0~199.9V0~1000V
4,Powerconsumption:≤3W
5,Workingpower:AC85~242V,50/60HZ
6,Workingcircumstance:0~50ºC,relativehumidity≤85%,withoutcorrodeandelectricradiation
Meaningofthemodelcode
D(1)(2)-(3)(4)(5)-(6)
(1)SeriesnumberL:CurrentmodelY:VoltagemodelF-frequencyR-revolvingspeed(2)ExternaldimensionandInstallationhole(mm):
T:160x80x85156x76A:96x96x9092x92D:72x72x9068x68
E:48x96x7544x92F:96x48x7592x44G:48x48x10544x44(3)3-keysoftpush-switchsetting,singlerowdigitaldisplay,(4)Controloutput:0:Noalarm1:Aalarm3:Twoalarms4:PIDbitcontrol
5:PIDsolid-statecontrol6:PIDSCRphaseshiftercontrol7:PIDSCRzero-crossingcontrol
8:SCRthree-phasezero-crossingcontrol9:4~20mAcontroloutput(5)Theinputnominalvalue:
No:ACcurrent5Ainput,theACcurrentfor0-9999arbitrarysetting,applytoalltransformerammeter;ACvoltagefor0-500.0VAC;
10:0~10A400:0~400V0.2:0~200mA(6)Suffix:K-RS485communicationfunctionInterior parameter(only Current,Voltage model meter have this parameter)SeriesAttentionNameSetting rangeManualRemarks0LocKElectronic lock0~255Lock=18,all the parameter can be Revised.18
1
dP
Display precision
0~3dp=0,the decimal doesn't display
dp=1,the decimal in tens
dp=2,the decimal in hundreds
dp=3,the decimal in thousands
02dIHSet upper limit-Setting range determined by dp:is in turn 9.999,
99.99,999.9,9999-