LWB 1810 Substation Integrated Comprehensive Testing System Characteristic: 1. It has testing functions such as transformer DC resistance, transformer on load voltage regulating switch, grounding down lead conduction resistance, circuit resistance, etc. 2. It has testing functions such as transformer ratio group, transformer capacity, transformer short-circuit impedance, transmission line parameters, capacitance and inductance parameters. 3. It has insulation testing functions such as transformer no-load loss parameters, grounding wire group DC resistance, lightning arrester leakage current, dielectric loss, etc. 4. All functions are operated through a large touch screen. 5. Equipped with RS-485, USB, and wireless communication interface. 6. Each test item can store 100 measurements without losing power. 7. All Chinese character menus and operation prompts are intuitive and convenient., 8. Built in micro printer, capable of printing measurement results and memory records. 9. It has an RS-485 interface and can communicate with a computer. 10. Export USB test data. 11. The clock does not lose power. Technical parameters: Transformer DC resistance measurement accuracy: 0.2% ± 2 words, measurement range: 100 μ Ω~10k Ω Measurement accuracy of grounding down lead conduction resistance: 0.5% ± 2 words, measurement range: 100 μ Ω~10 Ω Transformer on-load voltage regulating switch resistance measurement accuracy: ± 5% ± 0.1 Ω, measurement range: 0-40 Ω Loop resistance measurement accuracy: ± 0.5% ± 3 words, measurement range: 0-20m Ω Transformer ratio group measurement accuracy: ± 0.1% ± 2 words, measurement range: 0.8-5000 Transformer capacity measurement accuracy: voltage and current: 0.2% ± 3 words Power: 0.5% ± 3 words (cos φ> 0.1), 1.0% ± 3 words (0.01 Transformer short-circuit impedance measurement accuracy: voltage, current, impedance: 0.2% ± 3 words Power 0.5% ± 3 words (cos φ> 0.1), 1.0% ± 3 words (0.01 Transmission line parameter measurement accuracy: voltage: ± 0.2% ± 2 words, measurement range: 0-800V Current: ± 0.2% ± 2 words, measurement range: 0-80A Power ± 0.5% ± 3 words Capacitance and inductance measurement accuracy: ± 1% ± 3 words, measurement range: 1 μ F-2000 μ F. 1mH~20H Measurement accuracy of transformer no-load loss parameters: voltage and current: 0.2% ± 3 words Power: 0.5% ± 3 words (cos φ> 0.1), 1.0% ± 3 words (0.01 Measurement accuracy of group DC resistance of grounding wire: 0.5% ± 3 words Measurement accuracy of lightning arrester leakage current: ± 5% ± 3 words, measurement range: 0-20mA Dielectric loss measurement accuracy: ± 1% ± 0.0004, measurement range: 3PF~1.5 Μ F
Characteristic: 1. It has testing functions such as transformer DC resistance, transformer on load voltage regulating switch, grounding down lead conduction resistance, circuit resistance, etc. 2. It has testing functions such as transformer ratio group, transformer capacity, transformer short-circuit impedance, transmission line parameters, capacitance and inductance parameters. 3. It has insulation testing functions such as transformer no-load loss parameters, grounding wire group DC resistance, lightning arrester leakage current, dielectric loss, etc. 4. All functions are operated through a large touch screen. 5. Equipped with RS-485, USB, and wireless communication interface. 6. Each test item can store 100 measurements without losing power. 7. All Chinese character menus and operation prompts are intuitive and convenient., 8. Built in micro printer, capable of printing measurement results and memory records. 9. It has an RS-485 interface and can communicate with a computer. 10. Export USB test data. 11. The clock does not lose power.
