Single-phase Relay Protection Test Instrument

Basic Functions: They can simulate various fault conditions, such as single-phase short circuits, single-phase ground faults, overvoltages, and undervoltages, to verify the response and operation of relay protection devices. They can set and test relay protection parameters such as current, voltage, and time delay. They can measure the operation time and operating characteristics of relay protection devices under simulated fault conditions. Some advanced models include waveform recording and playback functions, allowing them to record and replay current and voltage waveforms in actual power systems.
Test Relay Types: These include current relays, voltage relays, reclosing relays, intermediate relays, differential relays, and other types of relays. They can also calibrate various less common relays.
High Precision and Versatility: They offer high-precision signal generation and measurement capabilities, accurately simulating various power system conditions. Some instruments also include advanced features such as harmonic analysis.
Ease of Operation and Portability: They typically feature a user-friendly interface for simple operation, and many models are portable and lightweight, making them easy to carry and use in the field.
Safety and Data Management: They are designed with multiple safety features to ensure the safety of personnel and equipment. They also have data storage and processing capabilities to record test data for subsequent analysis and troubleshooting.

1. One fully isolated adjustable DC voltage output with automatic protection against short circuit, overload and over-range.
2. Large output current: 0~150A.
3. Equipped with LCD digital AC/DC voltmeter, which can display AC/DC voltage, current value, stopwatch, potential and contact status.
4. Built-in electronic stopwatch, can be used with live contacts, potential up to 250V, dual-channel measurement.
5. Lightweight design, small size, light weight and complete functions.

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1. Rated input power: AC: 220V±10%·1000VA·50Hz

2. AC output:

4. Stopwatch:

Range: 0.0000~999999S, Resolution: 0.1mS,

Accuracy: ± 5 digits;

With contacts and potential input, maximum input voltage: DC 250V

5. Ammeter:

Range: Built in: 0.000-150.0A;

External: 0.000-6.000A (AC or DC)

Accuracy: 0.5%, Measurement Method: AC: True RMS DC: Average

6. Voltage meter:

Range: 0.0~600.0V (AC or DC); Accuracy: 0.5%

7. Resistance and capacitance: Resistance: 0.5 Ω~2.5k Ω

Capacitor: 10uF, maximum voltage: AC 450V

8. Auxiliary contact on/off

High current: 1A, maximum voltage: AC 250V or DC 120V

9. Operating environment: temperature -10-40℃, relative humidity less than 80%

10. Volume: 320mm×260mm×230mm

11. Weight: 16kg