Máy kiểm tra bảo vệ rơle máy vi tính KDJB-902
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Relay Protection Tester
KDJB-902 microcomputer relay protection tester adopts 800×600 dot matrix large screen TFT high resolution true color liquid crystal display, all operation processes are set on the display, the operation interface and test results are displayed in Chinese, the display is intuitive and clear. It has standard 4-phase voltage and 3-phase current output. Various combination outputs can be easily carried out for various types of protection tests. The single machine is operated by the convenient and flexible photoelectric trackball mouse through the large LCD screen, all Chinese display. Can complete most of the field test verification work. KDJB-902 microcomputer relay protection tester software is powerful, 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, can easily test and scan a variety of protection set values, fault playback, real-time storage of test data, display vector diagram, và như thế. Print reports online, vân vân. KDJB-902 microcomputer relay protection tester switch contact rich 10 contact input and 8 pairs of air contact output. Input contacts are null contacts and 0 ~ 250V potential contacts compatible, intelligent automatic recognition.
| Ac current output | Output precision 0.1 Phase current output (RMS) 0 ~ 40A Three parallel current output (RMS) 0 ~ 120A Phase current long-term allowable working value (effective value) 10MỘT Maximum output power of phase current 420VA Three parallel current maximum output power 900VA Three parallel current maximum output allowable working time 10s Dải tần số (fundamental) 20 ~ 1000Hz Harmonic frequency 1 ~ 20 lần |
| DC current output | Output accuracy 0.5 mức độ Current output 0 ~ ±10A/phase, 0 ~ ±30A/three parallel Maximum output load voltage 20V |
| AC voltage output | Output precision 0.1 Phase voltage output (RMS) 0 ~ 120V Line voltage output (RMS) 0 ~ 240V Phase voltage/Line voltage Output power 80VA / 100VA Dải tần số (fundamental) 20 ~ 1000Hz Harmonic frequency 1 ~ 20 lần |
| DC voltage output | Output accuracy 0.5 mức độ Phase voltage output amplitude 0 ~ ±160V Line voltage output amplitude 0 ~ ±320V Phase voltage/Line voltage Output power 70VA / 140VA |
| switch and time measurement | Switching input Số lượng kênh 10 pairs Input mode Null contact: 1 to 20mA, 24V. Potential contact access: “0” : 0 ~ +6V; 1: +11V to +250V Switching output Số lượng kênh 8 pairs Output mode DC: 220V/0.2A; AC: 220V/0.5A Time measurement 0.1ms ~ 9999s Measurement accuracy: < 0.1bệnh đa xơ cứng |
| Khối lượng và trọng lượng | It is 400×300×180mm3 Weight 18kg Power supply AC 220V±10% 50Hz± 10%10A Nhiệt độ môi trường xung quanh -10 ° C to +50 ° C |










