可程式微歐姆計(jì)JB3245產(chǎn)品性能.使用3個(gè)數(shù)字顯示器可同時(shí)顯示讀值、HILimit、LOLimit.讀值使用41/2位大型(0.5英吋)七段顯示器.使用41/2位模擬數(shù)字轉(zhuǎn)換器提供高準(zhǔn)確度的量測(cè).手動(dòng)或自動(dòng)換檔選擇.提供HI/LO/GO與BUZZER比較功能.NULL功能.每秒高達(dá)10次攫取速度,并提供可選的攫取速度設(shè)定.提供1安培測(cè)試電流,可量測(cè)到1μΩ分辨率.標(biāo)準(zhǔn)RS-232C接口.提供四組面板設(shè)定儲(chǔ)存與喚回功能.自動(dòng)保存關(guān)機(jī)前之設(shè)定狀態(tài),開(kāi)機(jī)后自動(dòng)回復(fù)原先設(shè)定
Model
3245ProgrammableMilli-OhmMeter
Measurement
Range
20m/200m/2/20/200/2K/20K/200K/2MΩ
Accuracy
20mΩ:±0.05%rdg.±15dgt.200mΩ:±0.05%rdg.±10dgt.2Ω-200KΩ:±0.03%rdg.±7dgt.2MΩ:±0.05%rdg.±20dgt.
Current
1A/100mA/10mA/1mA/100uA/10uA/1uA
Voltage
20mVto2VDC
Display
19999(4-1/2digits)LED
Method
4-terminalmethod
SamplingRate
FAST(10times/sec),SLOW(2times/sec)
GeneralFunction
Compare
HI/GO/LOLEDDisplaywithBuzzeron/offSetting
OpenCircuitTerminalVoltage
Approx.6V
NULLFunction
DisplayValue=ReadingValue-REF.Value
RangeSelection
ManualorAutomatic
HOLDFunction
CanHoldDisplayValuewithLEDIndicate
Display
7-SegmentRedLED0.52"
CompareDisplay
7-SegmentRedLED0.31"
GeneralSpecification
Interface:StandardRS-232Interface,DataTransferRateonly9600bps.
PowerSupply:AC115V/230V±10%,60/50HzSwitchSelectable
PowerConsumption:Approx.45VAon20mΩtestrange,Otherrangeapprox.25VA
Warm-upTime:Approx.30min.
OperationHumidity/TemperatureRange:80%R.H.(+5℃to30℃),50%R.H.(+31℃to40℃)
StorageTemperature/HumidityRange:-10to70℃, 80%R.H.
Dimensions:213(W)x88(H)x394(D)mm
NetWeight:3.6Kg
Accessories:Powercordx1,OperationManualx1,TestLeadx1