It can calibrate various relays (such as current, voltage, inverse time limit, power direction, impedance, differential, low cycle, synchronous, frequency, DC, intermediate, time, etc.) and microcomputer protection, and simulate various complex instantaneous and conversion faults for whole group testing.

Main feature
Standard 4 phase voltage and 3 phase current output: with 4 phase voltage and 3 phase current output, it can be easily combined output for protection test. Each phase voltage can output 120V, current three and can output 120A, the fourth phase voltage Ux is a multi-function voltage item, can be set to 4 kinds of 3U0 or check the voltage period, or a voltage value of the case output.
 
Easy operation: The single machine is operated by the convenient and flexible rotating mouse through the large screen LCD display, Chinese display. It can complete most of the field test verification work, can verify the relay and microcomputer protection, and can simulate complex transient, permanent, transformational faults for the whole group test. Boot can be used, easy to operate.
 
Dual operation mode, connected to the computer running: through the 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 maps, draw fault waveforms, online printing reports, etc.
 
Strong software function: it can complete 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: The relay protection tester has 8 contact inputs and 4 pairs of air contact outputs. 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 adjustable 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. High performance 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
Maximum output power of phase current: 450VA
Three parallel current maximum output power: 900VA
Allowable working time for maximum current output: 10s
Frequency range (fundamental) : 0~ 1000Hz (online) 0~300Hz (stand-alone)
Harmonic frequency: 0~ 20 times (online) 0~6 times (single machine)
 
Dc current output
Output accuracy: 0.5 level
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) : 0~ 1000Hz (online) 0~300Hz (stand-alone)
Harmonic frequency: 0~ 20 times (online) 0~6 times (single machine)
 
Dc voltage output
Output accuracy: 0.5 level
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
Switch input: 8 channels; Null contact: 1 ~ 20mA, 24V
Potential contact access: "0" : 0 ~ +6V; 1: +11 V to +250V
Switching output: 4 pairs of DC: 220V / 0.2A; AC: 220V / 0.5A
Time measurement: measuring range 0.1ms ~ 9999s; The measuring accuracy is 0.1mS