China GDJB-902 Relay Protection Microcomputer Test Device

GDJB-902 Relay Protection microcomputer test device play a key role in operating electricity power systems reliably and safely. It is the testing device used in professional field of microcomputer protection, relay protection, excitation measurement, fault recorder.
Features
1. Embedded host machine, equipped with big programmed CPLD(Complex Programmable Logic Device).
2. 12channels D/A output simultaneously in a single machine;
3. High precise linear power amplifier, 6phase voltage and 6 phase current output simultaneously.
4. 8inch LCD screen display. Provide with keyboard/mouse connecting port, also 2USB port, 2 RS232 port, to communicate with PC and other communication devices.
5. Easy to carry, suitable for flexible testing and wild working; Intelligent self-protection.
6. 8channels switching value input and 4channels switching value output. Input contact is idle contact and 0-250V potential contact for selectable, intelligent identification.
7. Plentiful Binary and powerful software function.
8. Two groups of DC power supply, 110VDC/1.0A&220VDC/0.6A, no need to set and adjust by software(Optional).

AC Current OutputPhase current output (RMS) 0~40A
Maximum parallel current output (RMS)0~120A
Long-term allowable working value of phase current (RMS) 10A
Maximum output power of phase current420VA
Maximum output power of 3-phase parallel current 900VA
Allowable working time of maximum 3-phase parallel current 10s
Frequency range(Fundamental wave) 20~1000Hz
Harmonic1~20 times
Accuracy <±0.2%DC Current OutputCurrent output0~±10A/phase, 0~±30A/3-phase parallel
Maximum output load voltage 20V
Accuracy <±0.2%AC Voltage OutputPhase voltage output (RMS) 0~120V
Line voltage output (RMS) 0~240V
Phase/line voltage output power80VA/100VA
Frequency range(Fundamental wave) 20~1000Hz
Harmonic1~20 times
Accuracy <±0.2%DC Voltage OutputPhase voltage output amplitude0~±160V
Line voltage output amplitude 0~±320V
Phase/line voltage output power70VA/140VA
Accuracy <±0.2%Binary Input8-way
Idle contact 1~20mA, 24V
Electric potential contact"0": 0~+6V; "1": +11 V~+250V Binary Output4 pairsDC: 220V/0.2A; AC: 220V/0.5ATime MeasurementMeasuring range 0.1ms to 9999s; accuracy: 0.1msPower SupplyAC220V±10%, 50/60HzAmbient Temperature-10ºC~50ºCDimension410x360x200mmWeight 20kg

Other rated parameters

Rated outputFrequency error <±0.01HzHz
Phase error <±0. 2°
Waveform distortion <±0.3% (fundamental wave)
Time error<40µs
Output frequency 0~1050Hz
GDJB posed harmonic wave 0-21timesPower voltageAllowable rangeAC220V±10%, 50Hz±10%Ambient temperatureUse range 0~45ºC
Storage range -25~70ºCTime measurementTest range 0.1ms~999999.999sExterior appearance of cabinetElectromagnetic compatible cabinet, which is made of high-grade all aluminum alloy extruded section and has fine appearance, is selected.
Dimension of cabinet: lengthxwidthxheight 360mm x195mm x375mmWeight of cabinetWeight of host machine 16.6kgLoad-bearing outputSelectable between light load or heavy load output
(When any phase current output surpasses 15A, it is suggested to press key F3 before test of each functional module so as to switch to heavy load output mode)