It can complete a variety of large and complex calibration work with high degree of automation, such as three-phase differential test, plant power quick cutting, ready self-feeding test, line protection inspection and reclosing at the same time, etc., can easily test and scan various protection values, fault playback, real-time storage of test data, display vector graphics, online printing reports, etc.

Main feature
Standard 4-phase voltage and 3-phase current output: with 4-phase voltage and 3-phase current output, it is convenient to carry out various combination outputs for various types of protection tests. Single-phase voltage can output a maximum of 120V, single-phase current can output A maximum of 40A (10 seconds), current three and can output 120A, the fourth phase voltage Ux is a multifunctional voltage item, can be set to four kinds of 3U0 or test voltage, or one of the voltage values of the output.
 
Easy operation: The single machine is operated by the convenient and flexible rotating mouse through the large screen LCD display. It can complete most of the field test and verification work, can verify all kinds of relays and microcomputer protection, and can simulate all kinds of complex transient, permanent and transformational faults for whole group tests. Boot can be used, easy to operate.
 
Dual operation mode, connected to the computer running: through the full set of Chinese operating software on the Windows platform, you can carry out a variety of large complex and more automated verification work, you can easily test and scan a variety of protection set values, you can store test data in real time, display vector graphs, draw fault waveforms, online printing reports, etc.
 
The software function is strong: it can complete a variety of large and complex calibration work with high degree of automation, such as three-phase differential test, plant power quick cutting, ready self-feeding test, line protection inspection and reclosing at the same time, etc. It can easily test and scan various protection values, perform fault playback, store test data in real time, display vector diagram, and print reports online.
 
Rich switching contacts: three-phase is a 7-way contact input and a 2-pair null contact output. Input contacts are null contacts and 0 ~ 250V potential contacts compatible, intelligent automatic recognition. Input and output contacts can be expanded according to user needs.
 
Large-screen LCD display: The machine adopts 320×240 dot matrix large-screen high-resolution graphic LCD display, the operation process is set on the display, the operation interface and test results are displayed in Chinese, the display is intuitive and clear.
 
Self-protection: The rational design of the heat dissipation structure, and has a variety of reliable protection measures and power soft start, and a certain fault self-diagnosis and blocking function.
With independent dedicated DC power output: The device is equipped with one 110V and 220V dedicated DC power output.
 
High cost performance: It is a cross-professional joint design product, which integrates the scientific and technological achievements of many professions. Both the performance of a large tester, and the price of a small tester, with a high performance-to-price ratio.

Rated parameter

Ac current output
Output accuracy: 0.2
Phase current output (RMS) : 0 ~ 40A
Three parallel current output (RMS) : 0 ~ 120A
Phase current long time allowable working value (effective value) : 10A
Phase current Maximum output power: 420VA
Three parallel current maximum output power: 900VA
Allowable working time for maximum current output: 10s
Frequency range (fundamental wave) : 1 ~ 1000Hz
Harmonic frequency: 1 ~ 20 times
 
Dc current output
Output accuracy: 0.2
Current output: 0 ~ ±10A/phase, 0 ~ ±30A/three parallel
Maximum output load voltage: 20V
 
Ac voltage output
Output accuracy: 0.2
Phase voltage output (RMS) : 0 ~ 120V
Line voltage output (RMS) : 0 ~ 240V
Phase voltage/Line voltage output power: 80VA / 100VA
Frequency range (fundamental wave) : 1 ~ 1000Hz
Harmonic frequency: 1 ~ 20 times
 
Dc voltage output
Output accuracy: 0.2
Phase voltage output amplitude: 0 ~ ±160V
Line voltage output amplitude: 0 ~ ±320V
Phase voltage/Line voltage output power: 70VA / 140VA
 
Switching quantity and time measurement
Three phase
Switching input: 10, air contact: 1 ~ 20mA, 24V; Potential contact access: "0" : 0 ~ +6V; 1: +11 V to +250V
Switching output: 8 pairs, DC: 220V / 0.2A; AC: 220V / 0.5A
Time measurement: measuring range 0.1ms ~ 9999s; The measuring accuracy is 0.1ms
Volumetric weight
Overall dimensions: 360×280×135mm³
Single weight: 13kg
Power supply: AC 220V±10%, 50/60Hz
Ambient temperature: -10℃ ~ +50℃