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WT2030數(shù)字功率計(jì)

日本YOKOGAWA WT2030數(shù)字功率計(jì)電力測量儀,0.03級,500KHz/600V/30A,RS232接口,直流和四線測量

  • 產(chǎn)品型號:WT2030 
  • 廠商性質(zhì):代理商
  • 更新時(shí)間:2025-02-20
  • 訪  問  量:1895
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產(chǎn)品詳情

 

日本YOKOGAWA WT2030數(shù)字功率計(jì)特點(diǎn)

  • 額定值(范圍)
    電壓:10/15/30/60/100/150/300/600 V
    電流
      直接輸入:1/2/5/10/20/30 A
      外附分流器輸入:50/100/200 mV
  • 頻率范圍:DC,2Hz至500 kHz(但對功率而言,zui高300 kHz)
  • 基本精度(45Hz≤頻率f≤66Hz)
    電壓/電流:±(讀數(shù)的0.03%+量程的0.03%)
    功率:±(讀數(shù)的0.04%+量程0.04%)
    功率因數(shù)效應(yīng)(在cosφ=0時(shí)):加量程的±0.1%
  • 外型尺寸:約426(寬)×132(高)×400(深)mm
  • 重量:約13公斤( 3單元型),約10公斤(1單元型)
  • 連接方法和對應(yīng)型號

   產(chǎn)品代碼
連接方法

253101 253102 253103
單相2線制 可用 可用 可用
單相3線制 1 可用 可用
3相3線制
(2電壓,2電流)
1 1 可用
3相3線制
(3電壓,3電流)
1 1 可用
3相4線制 1 1 可用

日本YOKOGAWA WT2030數(shù)字功率計(jì)技術(shù)指標(biāo)

Input
Item VoltageV CurrentA
Input circuit type Floatinginput
Resistive voltage divider Shuntinput
Rated inputs(range rms) 10/15/30/60/150/300/600V Directinput
1/2/5/10/20/30A
External shunt input:
Approx.100 kΩ
Input impedance Inputresistance
Approx. 2 MΩ
Input capacitance
Approx.15 pF
Directinput:
Approx.6 mΩ +approx.0.07 μH
External shunt input:
Approx:100kΩ
Frequency range DCand 2 Hz to 500 Hz
Instantaneous
maximum
allowable
input for 1s
Thepeak voltage is 2500V,
or the RMS value is 3
times the range, whichever
is less.
The peak current is 90A,orthe RMS value is 50A,whichever is less.
External input:The peak value is 20times the range or less.
Continuousmaximum
allowable input
The peak voltageis 1400V,
or the RMS value is 2.5
times the range, whichever
is less.
Thepeak current is 60A,or the RMS value is 35A,whichever is less.
External input:Thepeak value is 10 times the range or less.
Continuousmaximum
common mode voltage
600 Vrms(whenthe protective cover for the output connector is used)CATII
400 Vrms(whenthe protective cover for the output connector is removed)CATII
 
Common mode
rejection
ratio at
600V rms between
input terminals
and case
(50/60 Hz
input)
Voltage input terminals shorted,current input terminals
opened:Better than -80 dB(±0.01% of rdg or less)
Reference value:
200 KHz max
±(0.18×f)/(Range
rating)%
of rdg or less(Unit of
f:KHz)
Referencevalue:
200 KHz max
±(0.03 ×f)/(Range rating))% of rdg or less(Unit off:KHz)
Input terminals Bindingposts Large binding posts
External shuntinput:BNC
A/D converter Simultaneousconversion of voltage and
current input
Resolution:16 bits
Maximum:conversion rate:104 KHz

Overloadinput detection

 

Alarm lamp lightsat approx.350% of the
input range(approx.700% of range when
crest factoris 6)
Range switching Therange can be switched manually,automatically,or by
communication control foreach
element.
Auto range
switching
Range up:When the measuredvalue exceeds
110% of the rated value.or when the
peak value exceeds 350%of the peak value.
Range down:When the measured value
becomes less than30% of the rated value.
Measurement
mode
Switching
The mode can be setfor each element
and also for each voltage and current measurement circuit.
Display Functions
Display:
Display contents:
7-segment LED (light emittingdiode)
4 displays
DISPLAY Displaycontents Display resolution
A V,A,W(eachelement) V,A,W:50000
Wh,Ah:500000
Hz:199999
B V,A,W(eachelement)
C V,A,W,VA,var,PF,deg,
Vpk(eachelement)
D V,A,W,Apk,THD,VHz,AHz,Wh
,Ah(eachelement),η(efficiency)
Unit:
Display update rate:
Peak hold function:
PEAK:
ALL:
Response time:
m,k,M,V,A,W,VA,var,pk,Hz,h,deg,%
Select from 0.25 sec(FAST),0.5 sec(MID) and 2.0 sec (SLOW).
Selectable tohold item as follows
Vpk and Apk can be held at maximum value
Measurementvalue of V,A,W,VA,var,Vpk,Apk can be held at maximum value.
Maximum of twicethe display update rate(The time taken for the display to fall within is OFF andan abrupt change is made from 0 to 100% of the range, of from 100 to 0% of therange)

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