| Marca | Wone Store | 
| Numerus Modeli | Totus automaticus tester ratio transformationis | 
| Ratiō discriminis | 10000 and above | 
| Ambitus | 0.9~10000 | 
| Series | WDB-II | 
Descripio
Tester ratio transformatoris superat defectus traditionis testi ratio pontis. Pantalla adhibet magnam pantallam liquidocrystallinam alta resolutione, quae est commoda pro usu in situ. Habet functionem promptus menu Sinarum, et operatio est simpliciter intuitiva. Celeritas testi est velox et accuratezza magna.
Specificationes
| Amplificatio | 0.9~10000 | 
| Accuratezza | ±(lectura × 0.1%+2 digitos) (minus aut aequale 500) | 
| ±(lectura × 0.2%+2 digitos) (maius 500 et minus aut aequale 3000) | |
| ±(lectura × 0.3%+2 digitos) (maius 3000) | |
| Resolution | 0.9 to 9.9999 (0.0001) | 
| 100 to 999.99 (0.01) | |
| 10000 and above (1) | |
| 10~99.999(0.001) | |
| 1000~9999.9(0.1) | |
| Potentia operativa | AC220V±10%, 50Hz | 
| Pondus instrumenti | 3.5Kg | 
| Volume instrumenti | 260mm (longitudo) × 200mm (latus) × 160mm (altitudo) | 
| Temperatura operationis | -10℃~50℃ | 
| Humiditas relativa | <90% sine condensatione |