- Neware
- Pine Research
- OKOndt Group
- Novocontrol
- Norecs
- METERTEST
- Microrad
- Metrel
- Labdex
- SDT
- micrux
- AARONIA AG
- ADASH
- Amptek
- AOiP
- AstroNova
- AWSensors
- Automatic Research
- BASI
- BRS
- BWB Technologies
- Cmc
- CTRL
- CALMET
- CHECKLINE
- Coxem
- C-Tech
- DV Power
- DANATRONICS
- ECH
- Elsys
- Enervac
- Enapter
- ELVEFLOW
- EA Technology
- EL-CELL
- ENERGY SUPPORT
- Electrothermal
- FASTEC
- GE
- GMW
- Gaskatel
- GIUSSANI
- Globecore
- GREENLIGHT
- GRZ
- HTW
- HIGH SENSE SOLUTIONSHTW
- HUBER
- Labnics
- Ida
- LIQUID
- Instytut Fotonowy
- KEHUA TECH
- JGG
- HVPD
- Jenway
- Jacomex
- IVIUM
- ndb
- OZM
- Redoxme
- Serstech
- SATIR
- VacCoat
- Zurich
- Neware
- Pine Research
- OKOndt Group
- Novocontrol
- Norecs
- METERTEST
- Microrad
- Metrel
- Labdex
- SDT
- micrux
- AARONIA AG
- ADASH
- Amptek
- AOiP
- AstroNova
- AWSensors
- Automatic Research
- BASI
- BRS
- BWB Technologies
- Cmc
- CTRL
- CALMET
- CHECKLINE
- Coxem
- C-Tech
- DV Power
- DANATRONICS
- ECH
- Elsys
- Enervac
- Enapter
- ELVEFLOW
- EA Technology
- EL-CELL
- ENERGY SUPPORT
- Electrothermal
- FASTEC
- GE
- GMW
- Gaskatel
- GIUSSANI
- Globecore
- GREENLIGHT
- GRZ
- HTW
- HIGH SENSE SOLUTIONSHTW
- HUBER
- Labnics
- Ida
- LIQUID
- Instytut Fotonowy
- KEHUA TECH
- JGG
- HVPD
- Jenway
- Jacomex
- IVIUM
- ndb
- OZM
- Redoxme
- Serstech
- SATIR
- VacCoat
- Zurich
變壓器繞組電阻及負載分接頭分析儀
Three-Phase Transformer Winding Resistance Meter – TWA Advanced Series 型號:TWA400/500- 同時對變壓器一次側/二次側的6個繞組電阻測量,及3相分接頭分析同時執行
- 真正的三相有載分接開關動態電阻測量這與傳統方法相比測試時間大大減少了三分之二
- 全自動測試模式,可自動檢測結果穩定度
- 大型10.1”或7”圖形觸控式螢幕
-
TWA400/500可同時量測一次和二次變壓器繞組的六繞組電阻和三相有載分接開關。只需一個步驟的導線連接設置,測試電流高達40A。同時可將每一種變壓器接線結構的特殊測量演算法則最佳化,因此,可提供快速穩定的測試結果。TWA400/500儀器產生真正的 DC 無漣波電流。電流的注入和放電都是自動調整的。
- 可在單次測試中,進行全部6個繞組所有分接頭位置的電阻測量
- 可執行真正三相有載分接頭切換器的動態電阻測量
- 極快速的測量 - 只需一個步驟的導線連接設置
- 快速自動消磁
- 全自動測試模式
- 大型10.1”或7”圖形觸控式螢幕
- 溫度測量通道
-
繞組電阻測量
測試電流: 5 mA – 40 A DC
輸出電壓:最高55 V DC
測量範圍:0,1 μΩ - 10 kΩ
保證精度:± (0,1 % rdg + 0,1 % F.S)解析度
0,1 μΩ – 999,9 μΩ: 0,1 μΩ
1,000 mΩ – 9,999 mΩ: 1 μΩ
10,00 mΩ – 99,99 mΩ: 10 μΩ
100,0 mΩ – 999,9 mΩ: 0,1 mΩ
1,000 Ω – 9,999 Ω: 1 mΩ
10,00 Ω - 99,99 Ω: 10 mΩ
100,0 Ω – 999,9 Ω: 0,1 Ω
1 000 Ω – 9 999 Ω: 1 ΩOLTC動態電阻測量
取樣率: 0.1 ms
自動開路檢測和警告
轉換電流漣波測量。
轉換時間測量(使用DV-Win軟體)。
不同轉換切換的時間測量(使用DV-Win圖形分析工具)。AC電流測量通道
解析度:0.1ms。
振幅解析度:16位元。顯示幕
10.1” 圖形觸控式螢幕顯示幕(TWA500)
7” 圖形觸控式螢幕顯示幕(TWA400)通訊介面
USB。
選購:RS232。電流鉤錶規格
標稱電流:300 ARMS or 450 A DCPK
測量範圍:30/300A。
頻率範圍:DC~20kHz(-3dB)。
解析度:± 50 / ± 100mA。
精度:± 1% rdg.。環境條件
1.工作溫度:-10℃〜+55℃/14℉〜+131℉
2.儲存和運輸:-40℃〜+70℃/-40℉〜+158℉
濕度5% - 相對濕度95%,無冷凝尺寸和重量(TWA500)
尺寸(W x H x D): 505 mm x 257 mm x 409 mm
重量: 17,3 kg尺寸和重量(TWA400)
尺寸(W x H x D): 550 mm x 215 mm x 420 mm
重量: 17,3 kg電源
根據IEC / EN60320-1連接; UL498,CSA 22.2
主電源:90 V〜264 V AC
頻率:50/60Hz
主電源電壓變動:最高為標稱電壓的±10 %。
輸入功率:1500 VA
保險絲15 A / 250 V,F型,不可由用戶更換溫度測量
一個溫度測量通道,溫度計Pt100:-50ºC +180 ºC,50 mm x 6 mm。印表機 (選購, 僅TWA400 適用)
感熱式印表機。
紙張寬度80mm。振動測量通道
解析度:0.1ms。
ICP加速規,±100 mV / g,±50 g適用標準
安裝/過壓:類別II
污染:2級
低壓指令:指令2014/35 / EU(CE Conform)適用標準,適用於I類儀器,污染等級2,安裝類別II:IEC EN 61010-1
電磁兼容性:指令2014/30 / EU(CE Conform)適用標準EN 61326-1
CAN / CSA-C22.2 No. 61010-1,第2版,包括修訂1 -
- Resistance measurement of all tap positions in all six windings performed in a single test
- True three-phase on-load tap changer dynamic resistance measurement
- Extremely quick measurement, single-step cable setup
- Rapid automatic demagnetization
- Fully automated test mode
- Large 10.1’’ or 7’’ graphical touchscreen display
- Temperature measurement channel
-
Winding Resistance Measurement
- Test currents: 5 mA – 40 A DC
- Output voltage: up to 55 V DC
- Measurement range: 0,1 μΩ - 10 kΩ
- Typical accuracy: ± (0,1 % rdg + 0,1 % F.S.)
Resolution
- 0,1 μΩ – 999,9 μΩ: 0,1 μΩ
- 1,000 mΩ – 9,999 mΩ: 1 μΩ
- 10,00 mΩ – 99,99 mΩ: 10 μΩ
- 100,0 mΩ – 999,9 mΩ: 0,1 mΩ
- 1,000 Ω – 9,999 Ω: 1 mΩ
- 10,00 Ω - 99,99 Ω: 10 mΩ
- 100,0 Ω – 999,9 Ω: 0,1 Ω
- 1 000 Ω – 9 999 Ω: 1 Ω
OLTC Dynamic Resistance Measurement
- Sampling rate: 0,1 ms
- Automatic open circuit detection and warning
- Transition current ripple measurement
- Transition time measurement using DV-Win software
- Timing measurement of different transition changes using DV-Win graph analysis tool
AC Current Measurement Channel
- Resolution: 0,1 ms
- Amplitude resolution: 16 bit
Display
- 10.1’’ graphical touchscreen display (TWA500)
- 7’’ graphical touchscreen display (TWA400)
Computer Interface
- USB
- Ethernet
Current Clamp Meter Specifications
- Nominal current: 300 ARMS or 450 A DCPK
- Measuring ranges: 30/300 A
- Frequency range: DC to 20 kHz (-3 dB)
- Resolution: ± 50 / ± 100 mA
- Accuracy: ± 1% of the reading
Warranty
- Three years
Environmental Conditions
- Operating temperature:-10 ºC - + 55 ºC / 14 ºF - +131 ºF
- Storage & transportation:-40 ºC - + 70ºC / -40 ºF - +158 ºF
- Humidity 5 % - 95 % relative humidity, non-condensing
Dimensions and Weight (TWA500)
- Dimensions (W x H x D):505 mm x 257 mm x 409 mm,19.9 in x 10.1 in x 16.1 in
- Weight: 17,3 kg / 38.1 lbs
Dimensions and Weight (TWA400)
- Dimensions (W x H x D):550 mm x 215 mm x 420 mm,21.6 in x 8.5 in x 16.5 in
- Weight: 17,3 kg / 38.1 lbs
Mains Power Supply
- Connection according to IEC/EN60320-1; UL498, CSA 22.2
- Mains supply: 90 V - 264 V AC
- Frequency: 50/60 Hz
- Mains supply voltage fluctuations up to
±10 % of the nominal voltage
- Input power: 1500 VA
- Fuse 15 A / 250 V, type F, not user replaceable
Temperature Measurement
- One temperature measurement channel Thermometer Pt100
-50 ºC +180 ºC / -58 ºF +356 ºF
50 mm x 6 mmPrinter (optional, TWA400 only)
- Thermal printer
- Paper width 80 mm
Vibration Measurement Channel
- Resolution: 0,1 ms
- ICP accelerometer, ±100 mV/g, ±50 g
Applicable Standards
- Installation/overvoltage: category II
- Pollution: degree 2
- Low voltage directive:
Directive 2014/35/EU (CE Conform)
Applicable standards, for a class I instrument, pollution degree 2, installation category II : IEC EN 61010-1- Electromagnetic compatibility: Directive 2014/30/EU (CE Conform) Applicable standard EN 61326-1
CAN/CSA-C22.2 No. 61010-1, 2nd edition, including Amendment 1