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509, Building 4, Lane 680, Shuishe West Road, Baoshan District, Shanghai
Shanghai Wangxu Electric Co., Ltd
509, Building 4, Lane 680, Shuishe West Road, Baoshan District, Shanghai
TG3025 digital insulation resistance tester is used for testing insulation resistance. The rated insulation test voltage range is 100-2500V, and the insulation resistance measurement range is 0.01M Ω -200G Ω. The DC voltage measurement range is 0-1000V, and the AC voltage measurement range is 0-750V.
The TG3025 digital insulation resistance tester/lightning protection detection equipment has functions such as LCD large screen gray white backlight display, data storage, data retrieval, alarm, and automatic shutdown. It also has the function of measuring the absorption ratio and polarization index of DC voltage and AC voltage. And it has earthquake resistant, dust-proof, and moisture-proof structures, making it a commonly used instrument in telecommunications, power, meteorology, computer rooms, oil fields, mechanical and electrical installation and maintenance, as well as industrial enterprises that use electricity as industrial power or energy. It is suitable for measuring the resistance values of various insulation materials and the insulation resistance of transformers, motors, cables, and electrical equipment.
| measurement function | output voltage | measurement range | precision | resolution |
| insulation resistance | 100V(±10%) | 0~10MΩ | ±3%rdg±5dgt | 0.01MΩ |
| 10~100MΩ | 0.1MΩ | |||
| 100~1000MΩ | 1MΩ | |||
| 1 g icult-built | ±5%rdg±5dgt | 0.01 GΩ | ||
| 250V(±10%) | 0~10MΩ | ±3%rdg±5dgt | 0.01MΩ | |
| 10~100MΩ | 0.1MΩ | |||
| 100~1000MΩ | 1MΩ | |||
| 1 g icult-built | ±5%rdg±5dgt | 0.01 GΩ | ||
|
500V(±10%) | 0~10MΩ | ±3%rdg±5dgt | 0.01MΩ | |
| 10~100MΩ | 0.1MΩ | |||
| 100~1000MΩ | 1MΩ | |||
| 1 g icult-built | ±5%rdg±5dgt | 0.01 GΩ | ||
| 1000V(±10%) | 0~20MΩ | ±3%rdg±5dgt | 0.01MΩ | |
| 20~200MΩ | 0.1MΩ | |||
| 200~2000MΩ | 1MΩ | |||
| 20 g icult-built | ±5%rdg±5dgt | 0.01 GΩ | ||
| 2500V(±10%) | 0~2000MΩ | ±3%rdg±5dgt | 1MΩ | |
| 2GΩ~20GΩ | ±5%rdg±5dgt | 0.01GΩ | ||
| 20GΩ~200GΩ | ±20%rdg±10dgt | 0.1GΩ |
Note: Conversion of commonly used electrical units
1 TΩ(Tera ohm)=1000GΩ=1012Ω
1 GΩ(Giga ohm)=1000MΩ=109Ω
1 MΩ(Mega ohm)=1000KΩ=106Ω

Shanghai Wangxu Electric Co., Ltd. provides a list of digital insulation resistance testers and lightning protection detection equipment:
1. Laser rangefinder: Range: 0-150m
2. Thickness gauge: Metal thickness measurement, ultrasonic
3. Theodolite: Range: 0-360 °, Resolution: 2 ″
4. Tensile strength gauge: Range: 0-40kgf
5. Combustible gas tester: Applicable gas: Combustible gas
6. Grounding resistance tester: Test current:>20mA (sine wave), resolution: 0.01 Ω
7. Earth Network Tester: Test current:>3A, resolution: 0.001-99.999 Ω, frequency optional
8. Soil resistivity tester: four wire method measurement, test current:>20mA (sine wave), resolution: 0.01 Ω
9. Equipotential tester: Test current: ≥ 1A, four wire method test, resolution: 0.001 Ω, equipped with large capacity lithium battery
10. Loop resistance tester: Resistance measurement resolution: 0.001 Ω, current measurement resolution: 1 μ A
11. Lightning protection component tester: Testing device: MOV, equipped with large capacity lithium battery
12. Insulation resistance tester: 0-1000M Ω
13. Surface impedance tester: Measurement range: 103-1010 Ω
14. Electrostatic potential tester: Measurement range: ± 20kv
15. Digital multimeter: voltage, current, resistance measurement, resolution: 3 and a half digits
16. Explosion proof intercom; Explosion proof intercom
17. Standard resistance: 10-3-105 ohms, power 1/2w, wire wound type
18. Steel tape measure: Resolution: 0.01m
19. Vernier caliper: Range: 0-150mm