Product No: LS2789
The LS2789 Series Transformer Comprehensive Tester features a 7-inch true-color LCD screen with 800*480 resolution, enabling all parameters to be displayed on a single screen. There are multiple operating interfaces to choose from, catering to different users’ preferences. For the transformer scanning box, options range from 20Pin to 192Pin, which can meet the testing needs of various transformers.
Specification:
| LISUN Model | LS2789 | LS2789A | LS2789B |
| Test Frequency | 20Hz~200kHz | 20Hz~300kHz | 20Hz~500kHz |
| Resolution | 1mHz | ||
| Test Parameters (LCR) | C、L、X、B、R、G、D、Q、ESR、Rp、DCR、θ、|Z|、|Y|、TURN、P | ||
| Test Parameters (Transformer) | Turns Ratio, Number of Turns, Inductance, Capacitance, Leakage Inductance, Phase, Quality Factor (Q Factor), AC Resistance, DC Resistance (DCR), Balance, Pin Short Circuit | ||
| |Z|，R，X, DCR Test Range | 0.01mΩ~99.9999MΩ | ||
| |Y|，G，B Test Range | 0.00001μS~99.9999S | ||
| C Test Range | 0.00001pF~9.99999F | ||
| L Test Range | 0.00001μH~99999.9H | ||
| D Test Range | 0.00001~9.99999 | ||
| Q Test Range | 0.01~99999.9 | ||
| Turns-Ratio Test Range | 1:0.01~100:1 | ||
| θ(RAD) Test Range | -3.14159~3.14159 | ||
| θ(DEG) Test Range | -179.999~179.999 | ||
| Δ% Test Range | -999.999%~999.999% | ||
| Test Signal Level | 0.005～2Vrms | ||
| Signal Source Output Impedance | 10Ω/CC、25Ω、50Ω、100Ω、10/100Ω | ||
| Test Speed | Fast: 75 times/second, Medium: 20 times/second, Slow: 6 times/second (for frequencies above 1kHz), Ultra-fast: 150 times/second | ||
| Internal DC Bias Voltage | -10VDC ~ +10VDC | ||
| Equivalent Circuit | Series, Parallel | ||
| Range Mode | Automatic, Manual | ||
| Comparator | Ten-level Sorting，BIN0~BIN9、NG、AUX、PASS/FAIL，LED display | ||
| Volume | 400*132*300mm | ||
| Weight | 8.5Kg | ||
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