Product Overview & Application Scenarios
The Single Phase Relay Tester is a professional device designed for the debugging and testing of relay protection devices in power systems. It is widely used for the calibration of various relay protection devices, inspection of secondary circuits, characteristic checks of transformers, determination of operating values of circuit breaker tripping mechanisms, and measurement of circuit breaker opening and closing times. This device is essential for ensuring the safe operation and maintenance of power systems and is applicable in power systems, power plants, substations, industrial and mining enterprises, and other similar environments.
Key Features & Advantages
User - friendly Operation: The device is equipped with a simple control panel featuring only eight buttons and knobs, allowing for easy completion of various testing functions. This design eliminates the cumbersome operations of traditional relay testers, such as frequent power disconnection and multiple switch toggling, thereby improving work efficiency.
High Intelligence: With a single switch press, the device can automatically measure relay parameters, freeing users from complex testing procedures. This reduces operational difficulty and the likelihood of errors.
Comprehensive Self - Check and Protection Functions: The device performs an immediate self - check upon startup and is equipped with overload and over - range protection features. In case of abnormal conditions, the protection circuit quickly cuts off the output and triggers audio - visual alerts, effectively minimizing the risk of equipment damage due to improper operation.
Clear Function Display: The device is equipped with a display unit that clearly reflects the working status, enabling users to monitor operational progress and device performance in real - time.
High - Precision Measurement: The device features a four - and - a - half digit A/D converter for AC and DC voltmeters and ammeters, with a precision of 0.5 grade, ensuring the accuracy and reliability of measurement data.
Applicable Conditions
Operating Temperature: - 20°C to +40°C, ensuring stable performance across a wide temperature range to meet on - site testing requirements in different climates.
Humidity: Not exceeding 85% (at 15 - 25°C), suitable for general industrial and outdoor environments. However, prolonged use in excessively humid conditions should be avoided to prevent equipment damage due to moisture.
Input Power: AC 220V ±10%, 50Hz, with strong adaptability to common domestic and industrial power supplies.
Operating Environment: The device should be used in environments free from strong electromagnetic interference, corrosive gases, and dust to ensure measurement accuracy and service life.
Additional Information
Self - Check Function: The device performs an automatic self - check upon startup to ensure it is in proper working condition, enhancing the reliability and safety of testing.
Audio - Visual Alert Function: In case of overload or abnormal conditions, the device triggers audio - visual alerts to notify users to take immediate action and prevent equipment damage.
Multiple Voltage Selection Outputs: The DC voltage selection output function meets the operating power supply requirements of different static relays, enhancing the device's versatility and applicability.
High - Precision Measurement Instruments: Equipped with high - precision AC/DC voltmeters and ammeters, the device provides accurate and reliable measurement data, offering strong support for the debugging and calibration of relay protection devices.
Portability: The device has a moderate size and lightweight design, making it easy to carry and use on - site for testing in various locations.
Maintenance & FAQs
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Technical Specifications
Model: HMJBC - 701 100A
DC Output:
DC Voltage Output: 0 - 350V (continuously adjustable), with an output capacity of 960VA.
DC Current Output: 0 - 10A (continuously adjustable), with an output capacity of 80VA.
DC Voltage Selection Output: 24V, 48V, 110V, 220V, with an output current of 0.4A each (suitable for operating power supply of static relays).
AC Output:
AC Voltage Output: 0 - 380V (continuously adjustable), with an output capacity of 400VA.
AC Current Output: 0 - 10A (with an open - circuit voltage of 40V), 0 - 100A (with an open - circuit voltage of 14V), with a capacity of 1000VA and a maximum output time of ≤35 seconds.
AC Voltage Output with Loop Current Indication: The maximum output voltage is 240V, and the output time should not exceed 3 minutes when the loop current is 5A.
AC Short - Circuit Voltage Simulation Output: The output voltage is ≤120V, with a voltage drop range of 15% - 80% (suitable for testing the operating time of low - voltage relays).
Relay Contact Operation Time Testing: Supports various types of contacts, including normally open (NO) contacts with delay - closing, normally open (NO) contacts with delay - opening, normally closed (NC) contacts with delay - closing, and normally closed (NC) contacts with delay - opening.
Overload Protection:
AC/DC Voltage: Overload protection at 5A.
DC Current: Overload protection at 10A.
DC Voltage Source: Overload protection at 1A.
Overall Device: Overload protection at 6A.
Input Power: AC 220V ±10%, 50Hz.
Digital Timer: Timing range of 0.000 - 9999 seconds, with an error margin of ±2 digits.
Instrument Precision: AC/DC voltmeters and ammeters feature a four - and - a - half digit A/D converter with a precision of 0.5 grade.
Environmental Conditions: Operating temperature range of - 20°C to +40°C, with a humidity level not exceeding 85% (at 15 - 25°C).
Dimensions and Weight: 470×350×310 mm, 10 kg.
