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當(dāng)前位置:北京恒遠安諾科技有限公司>>電力測試儀器>>其它電力測試儀器>> DDX9121多通道局放和射頻電壓檢測儀
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產(chǎn)品型號DDX9121
品 牌
廠商性質(zhì)經(jīng)銷商
所 在 地北京市
更新時間:2024-06-20 12:45:32瀏覽次數(shù):693次
聯(lián)系我時,請告知來自 化工儀器網(wǎng)REAL TIME MULTI-PHASE MEASUREMENTS
The DDX®9121 multi-channel PD system provides
simultaneous phase resolved displays of the PD activity at
any given moment during the test. A user can use this
information to perform a “basic” level of PD site location
and begin to determine where the problem lies.
A chart recorder provides a hard copy of partial discharge
level versus voltage and testing time for each channel in one
customized graph. Any time during testing the partial
discharge levels can be observed and after the test is
finished, test reports for the multiple channels can be
generated automatically.
ORDERING INFORMATION
System
PD Detector System including # pcs.
of 9121 detector inserts, mounted in
rack with desk, 20m long Voltmeter
and PD input cables, manual and
calibration certificates
Options
Main option: RIV input or internal calibrator output.
More options,see DDX®9121 data sheet
TECHNICAL SPECIFICATIONS
Amplifier
Gain(Attenuation) 0 dB to 75 dB in 5 dB steps
Attenuator Accuracy 1%
Gain 3000
Input Impedance 50 Ω
System Noise < 12 μV referred to input onhighest gain range
Filters High Pass - 20, 50, 80 kHz
Low Pass - 100, 200, 400, 500 kHz
PD Measurement
PD Meter Resolution 10 bits displayed
PD Capture 8 bits (7 plus sign)
Phase Resolution 0.1%
Linearity Error < 1%
Voltage Measurement
Uncertainty of ScaleFactor < 1%
Linearity (10-* FS) < 1%
Resolution 11 bits
Measurement modes Peak / Ö2 true RMS
Synchronization Local Mains, HV source(automatic), manual override of HVsync
Sync Lock range 20 Hz to 400 Hz
Mechancial - (per channel)
Weight 3 kg
Dimensions 19” 2U case, 280 mm deep
Power Supply 100-240 V, 40-70 Hz
Environmental
Operating TempRange 0 to 40 °C
Storage Temp Range -10 to 75 °C
Humidity Range 95% non-condensing
Ethernet Port
Isolated 100BaseT
(note: Optically isolated cable or wireless link for
connection to LAN is recommended)
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