Item | ES-700 Epstein Frame | ES-200 Midband Frame |
Environment temperature | 23℃±5℃ | 23℃±5℃ |
Humidity | <65% | <65% |
Applied standards | GB3655-2008and IEC 60404-2 | GB 10129-88 |
Equivalent Magnetic Circuit | 940mm | 940mm |
Primary turns | 700 turns | 200 turns |
Secondary turns | 700 turns | 200 turns |
Sample size |
Width: 30mm±0.2mm, Length: 280~320mm±0.5mm |
Width: 30mm±0.2mm, Width: 280~ 305mm±0.5mm |
Sample mass | No less than 240g | No less than 200g |
Frequency | DC ~ 400Hz | 400Hz~10kHz |