Product Introduction
It can perform automated laboratory level verification of protection level (P level) and metrology level CT/PT in the on-site environment, with single machine operation (zero external attachments), automatic inflection point detection, 5%/10% error curve generation, and reporting functions in accordance with GB 20840.3-2013/IEC standards. Its portable design with a weight of ≤ 22kg integrates a thermal printer for real-time on-site reporting, 3000+battery supported test records, and one click USB Word report generation, reducing debugging time by 70% while ensuring practical accuracy.
Product Features
1、Supports CT & PT detection
2、Complies with GB 20840.3-2013 & GB 20840.2-2014
3、Standalone operation—no additional equipment needed
4、Built-in fast micro printer for instant on-site reports
5、User-friendly intelligent controller
6、Large LCD with graphical interface
7、Auto-calculates CT/PT excitation turning point per standards
8、Generates 5% & 10% error curves automatically
9、Stores 3000 test sets with power-off protection
10、USB data transfer & PC-compatible Word report generation
11、Portable design (
Technical Parameters
The main parameters
| Item | Parameters | |
| Power supply | AC220V±10% 、50Hz | |
| Equipment output | 0 ~ 2500Vrms, 5kVA (Max set value 20A) | |
| High current output | 0~1000A | |
| Excitation precision | ≤0.5%（0.2%* read +0.3%* range) | |
| Secondary winding resistance measurement | Range | 0.1～300Ω |
| precision | ≤0.5%（0.2%* read +0.3%* range) | |
| Secondary actual load measurement | Range | 5～500VA |
| precision | ≤0.5%（0.2%* read+0.3%* range) ± 0.1VA | |
| Phase measurement (Angle difference) | precision | 4min |
| resolution | 0.1min | |
| Ratio error | precision | 0.05% |
| CT Turns Ratio measurement | Range | ≤25000A/5A（5000A/1A） |
| precision | ≤0.5% | |
| PT Turns Ratio measurement | Range | ≤500kV |
| precision | ≤0.5% | |
| Work condition | Temperature：－10℃ ～ 40℃，Humidity：≤90%，Altitude：≤1000m | |
| size | 410mm × 260mm × 340mm | |
| weight | ≤22kg | |
