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GDBC-901B
GOLD
GDBC-901B Transformer Ratio Tester
The GDBC-901B Transformer Turns Ratio Tester is a high-end intelligent testing instrument designed for precise measurement of core electrical parameters in transformers. Utilizing advanced three-phase voltage synchronous output and induction detection technology, it enables rapid and accurate measurement of key indicators such as voltage turns ratio, winding ratio, group designation, and phase angle difference for three-phase/single-phase power transformers and voltage transformers. Equipped with an integrated lithium battery, the instrument supports wireless portable operation and features robust data storage and analysis capabilities, delivering professional and efficient testing solutions for the power industry.
| Category | Technical Specifications |
|---|---|
| Measurement Range | Voltage Ratio/Turns Ratio: 1-10000; Excitation Current: 0-200mA; Phase Angle: 0-360°; Group: 1-12 points |
| Measurement Accuracy | Turns Ratio: 1-1000 ±0.2%, 1000-10000 ±0.5%; Phase Angle: <0.5°; Excitation Current: <1%; Repeatability: <0.05% |
| Test Voltage | Three-phase simultaneous output, AC 0-120V, maximum output current 200mA per phase, waveform distortion <1% |
| Power Supply System | Built-in Lithium Battery: 12V/15000mAh, operating time >10 hours after single charge; Charger: AC100-230V, 45-65Hz. |
| Data Processing | Storage Capacity: 200 sets of test records; Output Methods: On-site printing, USB upload to PC (supports WORD report generation); Language: English |
| Adaptable Wiring Modes | Three-phase: DY, YD, DD, YY, ZN; Single-phase: A/O (High Voltage), a/o (Low Voltage) |
| Physical Parameters | Dimensions: 400×350×200mm; Weight: <10kg |
| Environmental Adaptability | Operating Temperature: 0-50℃; Relative Humidity: <90% (no condensation) |
Multiple safety protections: The panel's high-voltage output ports (A/B/C/O) and low-voltage induction ports (a/b/c/o) are strictly distinguished, combined with color-coded test wires to prevent wiring errors; the grounding post design can effectively release static electricity, ensuring operation safety in high-voltage environments; the instrument has a high-low voltage reverse connection detection function to avoid overvoltage impact damaging the equipment.
Ultimate portable experience: Equipped with a large-capacity 12V/15000mAh lithium battery, breaking free from the limitation of external power supply, it can work continuously for more than 10 hours after a single charge, meeting the needs of outdoor and mobile testing; the body adopts a lightweight design, weighing less than 10kg, with a compact size, easy to carry and transport.
Strong durability: The body shell is made of high-strength materials, with good impact resistance and dustproof performance; it has a wide adaptability to working environment, can operate stably under harsh conditions of 0-50℃ and humidity <90%, and has reliable performance for long-term use.
Power operation and maintenance: Help operation and maintenance personnel quickly complete regular transformer testing, timely detect problems such as turns ratio deviation and tap position abnormalities, and ensure the safe and stable operation of the power grid.
Production and manufacturing: Provide factory quality inspection tools for transformer manufacturers to ensure products meet international standards and enhance product competitiveness.
Engineering construction: Assist power engineering companies in conducting accurate tests during the transformer installation and commissioning phase, ensuring equipment installation quality and shortening the construction cycle.
Scientific research and teaching: Provide high-precision testing equipment for scientific research institutions, support experiments and research related to the electrical field, and promote technological innovation.
GDBC-901B Transformer Ratio Tester
The GDBC-901B Transformer Turns Ratio Tester is a high-end intelligent testing instrument designed for precise measurement of core electrical parameters in transformers. Utilizing advanced three-phase voltage synchronous output and induction detection technology, it enables rapid and accurate measurement of key indicators such as voltage turns ratio, winding ratio, group designation, and phase angle difference for three-phase/single-phase power transformers and voltage transformers. Equipped with an integrated lithium battery, the instrument supports wireless portable operation and features robust data storage and analysis capabilities, delivering professional and efficient testing solutions for the power industry.
| Category | Technical Specifications |
|---|---|
| Measurement Range | Voltage Ratio/Turns Ratio: 1-10000; Excitation Current: 0-200mA; Phase Angle: 0-360°; Group: 1-12 points |
| Measurement Accuracy | Turns Ratio: 1-1000 ±0.2%, 1000-10000 ±0.5%; Phase Angle: <0.5°; Excitation Current: <1%; Repeatability: <0.05% |
| Test Voltage | Three-phase simultaneous output, AC 0-120V, maximum output current 200mA per phase, waveform distortion <1% |
| Power Supply System | Built-in Lithium Battery: 12V/15000mAh, operating time >10 hours after single charge; Charger: AC100-230V, 45-65Hz. |
| Data Processing | Storage Capacity: 200 sets of test records; Output Methods: On-site printing, USB upload to PC (supports WORD report generation); Language: English |
| Adaptable Wiring Modes | Three-phase: DY, YD, DD, YY, ZN; Single-phase: A/O (High Voltage), a/o (Low Voltage) |
| Physical Parameters | Dimensions: 400×350×200mm; Weight: <10kg |
| Environmental Adaptability | Operating Temperature: 0-50℃; Relative Humidity: <90% (no condensation) |
Multiple safety protections: The panel's high-voltage output ports (A/B/C/O) and low-voltage induction ports (a/b/c/o) are strictly distinguished, combined with color-coded test wires to prevent wiring errors; the grounding post design can effectively release static electricity, ensuring operation safety in high-voltage environments; the instrument has a high-low voltage reverse connection detection function to avoid overvoltage impact damaging the equipment.
Ultimate portable experience: Equipped with a large-capacity 12V/15000mAh lithium battery, breaking free from the limitation of external power supply, it can work continuously for more than 10 hours after a single charge, meeting the needs of outdoor and mobile testing; the body adopts a lightweight design, weighing less than 10kg, with a compact size, easy to carry and transport.
Strong durability: The body shell is made of high-strength materials, with good impact resistance and dustproof performance; it has a wide adaptability to working environment, can operate stably under harsh conditions of 0-50℃ and humidity <90%, and has reliable performance for long-term use.
Power operation and maintenance: Help operation and maintenance personnel quickly complete regular transformer testing, timely detect problems such as turns ratio deviation and tap position abnormalities, and ensure the safe and stable operation of the power grid.
Production and manufacturing: Provide factory quality inspection tools for transformer manufacturers to ensure products meet international standards and enhance product competitiveness.
Engineering construction: Assist power engineering companies in conducting accurate tests during the transformer installation and commissioning phase, ensuring equipment installation quality and shortening the construction cycle.
Scientific research and teaching: Provide high-precision testing equipment for scientific research institutions, support experiments and research related to the electrical field, and promote technological innovation.
