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Current Transformer (CT) analyzer UHV-103Potential/Voltage Transformer (PT)for electrical networkslaboratory
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Characteristics
- Measured entity
- Current Transformer (CT), Potential/Voltage Transformer (PT)
- Application domain
- laboratory, for electrical networks, for testing
- Measured value
- voltage
- Configuration
- portable
- Mode of use
- automatic
- Other characteristics
- with data logger, data acquisition, with built-in printer
Description
Overview
Key features
Technical specifications
Data and reporting
Applications
Safety precautions
- Automatic tester for protective and metrological current transformers (CT) and potential/voltage transformers (PT) up to 35 kV, suitable for laboratory and field testing.
- Single-unit design integrating excitation, measurement, printing and data storage for on-site verification.
Key features
- Supports testing of CT and PT (protective and metrological).
- Complies with GB 20840.3-2013, GB 20840.2-2014 and related standards.
- All test items can be completed without external auxiliary equipment.
- Built-in micro-fast printer for direct on-site printing of results.
- Intelligent controller and simple operation workflow.
- Large-screen LCD with graphical display interface.
- Automatic determination of CT/PT excitation (inflection) point values per regulations.
- Automatic generation of 5% and 10% error curves.
- On-board memory for 3000 test records retained after power off.
- Supports U-disk data transfer; data readable on a standard PC and exportable to WORD reports.
Technical specifications
- Model: UHV-103.
- Operational power supply: AC 220V ±20V, 50–60 Hz.
- Equipment output waveform: sine wave.
- Single-unit excitation output voltage: 0–1000 V.
- Excitation output current (adjustable): 0–20 A.
- Single-unit output current for transformation-ratio test: 0–600 A.
- CT ratio measurement range: 5 25,000 A / 5 A (supports 5000 A / 1 A).
- PT ratio (T) measurement range: 1 500 kV.
- Accuracy / Error: ≤ 0.5% (0.2% * Reading + 0.3% * Range).
- Operating temperature: -10 ℃ +40 ℃.
- Relative humidity: < 90% RH.
- Altitude: ≤ 1000 m.
- Overall dimensions (L × W × H): 450 × 280 × 260 mm.
- Weight: ≤ 30 kg.
Data and reporting
- On-board memory stores up to 3000 test datasets with retention after power off.
- U-disk support for easy transfer of test data to a PC.
- Generated data compatible with standard PC software; WORD report generation supported.
- Built-in micro-fast printer for immediate on-site reports.
Applications
- Laboratory and field testing of protective and metrological CT and PT (≤35 kV).
- Portable design and integrated functions for efficient on-site verification and maintenance workflows.
Safety precautions
- The grounding terminal on the instrument panel should be reliably grounded during use.
- Do not connect an external voltage regulator during the automatic boost test for volt ampere characteristic testing. (External regulator and external booster are not the same concept)
- The working power supply of the instrument is~220V or~380V, and the socket is installed on the side panel.
- Do not block the fan vent on the side panel of the instrument to prevent overheating.
- If the instrument is not used for a long time, please store it in a dry and ventilated place and power it on once a month.
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.