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手持式匝比測試儀
Handheld Turns Ratio Tester TRT-H

【DV Power】變電站中各項檢測設備 變壓器匝比測試|消磁設備系列

手持式匝比測試儀

簡介

TRT-H

  • 市場上獨一無二的手持式儀器
  • 測量 3 個變壓器參數 :
    • 匝比數
    • 激勵電流
    • 相位角
  • 單相測試電壓最高可達40V AC
  • 匝比精度高達±0.1%。
  • 重量僅1.4公斤
  • 使用內部電池電源
  • 可測試單相和三相變壓器

 

我要諮詢
  • 配電變壓器的匝比測量
  • 變比器的匝比驗證
  • 匝比偏差比例的計算
  • 配電變壓器和變比器的勵磁電流測量
  • 配電變壓器和變比器的相位角測量
  • 變比器的極性檢查
Battery
  • Type: Li-Ion, 14.8 V, 2.9 Ah
  • Rechargeable
  • User replaceable
Phase Angle Measurement
  • Measurement range: 0 – 360º
  • Resolution: 0.01º
  • Typical accuracy: ±0.06º
Power Supply Adapter
  • Input voltage: 90 – 264 V AC, 50/60 Hz
  • Output voltage: 12-19 V DC
  • Output current: 2 A DC
Display LCD 4.8” display, 240 x 128 pixels
Interface Bluetooth
Output voltages 40 V, 10 V, 1 V AC
Internal Memory
  • 100 transformer records
  • Each record contains up to 30 results
Measurement range
  • 0.8 – 20 000 @40 & 10 V AC
  • 0.8 – 4 000 @1 V AC
Resolution 5 digits
Typical accuracy

@40 V AC

@10 V AC

0.8 – 999: ±0.1% 0.8 – 999: ±0.2%
1000 – 3999: ±0.15% 1000 – 3999: ±0.2%
4000 – 14999: ±0.25% 4000 – 14999: ±0.25%
15000 – 20000: ±0.3% 15000 – 20000: ±0.3%

@1 V AC

0.8 – 999: ±0.2% 1000 – 4000: ±0.2%
Excitation Current easurement
  • Measurement range: 0 – 1 A
  • Resolution: 0.1 mA
  • Typical accuracy: ±(1% rdg + 0.5 mA)
Environmental Conditions
  • Operating temperature:-20 ºC – +55 ºC / -4 ºF – +131 ºF
  • Storage & transportation:-40 ºC – +70ºC / -40 ºF – +158 ºF
  • Humidity: 5% – 95% relative humidity, non- condensing
Dimensions and Weight
  • Dimensions (W x H x D):170 x 310 x 58 mm / 6.69 x 12.21 x 2.28 in
  • Weight: 1.4 kg / 3.1 lbs
Applicable Standards
  • Installation/Overvoltage category: II
  • Pollution degree:2
  • Safety: LVD 2014/35/EU (CE Conform) Standard EN 61010-1:2010
  • EMC: Directive 2014/30/EU (CE Conform) Standard EN 61326-1:2013

Features

  • Unique handheld instrument on the market
  • Measures 3 transformer parameters:
    • Turns ratio
    • Excitation current
    • Phase angle
  • Single-phase test voltage up to 40 V AC
  • Turns ratio accuracy up to ±0.1%
  • Extremely lightweight – only 1.4 kg / 3.1 lbs
  • Battery-powered
  • Tests single-phase and three-phase transformers

Application

The list of instrument application includes:

  • Turns ratio measurement of distribution transformers
  • Turns ratio verification of instrument transformers
  • Turns ratio deviation calculation
  • Excitation current measurement of distribution and instrument transformers
  • Phase angle measurement of distribution and instrument transformers
  • Polarity check of instrument transformers

 

Battery
  • Type: Li-Ion, 14.8 V, 2.9 Ah
  • Rechargeable
  • User replaceable
Phase Angle Measurement
  • Measurement range: 0 – 360º
  • Resolution: 0.01º
  • Typical accuracy: ±0.06º
Power Supply Adapter
  • Input voltage: 90 – 264 V AC, 50/60 Hz
  • Output voltage: 12-19 V DC
  • Output current: 2 A DC
Display LCD 4.8” display, 240 x 128 pixels
Interface Bluetooth
Output voltages 40 V, 10 V, 1 V AC
Internal Memory
  • 100 transformer records
  • Each record contains up to 30 results
Measurement range
  • 0.8 – 20 000 @40 & 10 V AC
  • 0.8 – 4 000 @1 V AC
Resolution 5 digits
Typical accuracy

@40 V AC

@10 V AC

0.8 – 999: ±0.1% 0.8 – 999: ±0.2%
1000 – 3999: ±0.15% 1000 – 3999: ±0.2%
4000 – 14999: ±0.25% 4000 – 14999: ±0.25%
15000 – 20000: ±0.3% 15000 – 20000: ±0.3%

@1 V AC

0.8 – 999: ±0.2% 1000 – 4000: ±0.2%
Excitation Current easurement
  • Measurement range: 0 – 1 A
  • Resolution: 0.1 mA
  • Typical accuracy: ±(1% rdg + 0.5 mA)
Environmental Conditions
  • Operating temperature:-20 ºC – +55 ºC / -4 ºF – +131 ºF
  • Storage & transportation:-40 ºC – +70ºC / -40 ºF – +158 ºF
  • Humidity: 5% – 95% relative humidity, non- condensing
Dimensions and Weight
  • Dimensions (W x H x D):170 x 310 x 58 mm / 6.69 x 12.21 x 2.28 in
  • Weight: 1.4 kg / 3.1 lbs
Applicable Standards
  • Installation/Overvoltage category: II
  • Pollution degree:2
  • Safety: LVD 2014/35/EU (CE Conform) Standard EN 61010-1:2010
  • EMC: Directive 2014/30/EU (CE Conform) Standard EN 61326-1:2013