- 27
- Dec
High-temperature box-type resistance furnace calibration technical testing requirements
High-temperature box-type resistance furnace calibration technical testing requirements
| 箱式电阻炉规格（Box type resistance furnace specifications） | 炉温均匀度（℃） Furnace temperature uniformity | 炉温稳定度（℃） Furnace temperature stability | 表面升温（℃） Surface heating | ||||||
| A级 | B级 | C级 | A级 | B级 | C级 | 炉壳 Furnace shell | 炉门 Furnace door | 手柄 handle | |
| RX3/RX7 | ± 10 | ± 7 | ± 4 | ± 10 | ± 4 | ± 1 | ≤40 | ≤40 | ≤25 |
| RX9 | ± 15 | ± 10 | ± 6 | ± 10 | ± 4 | ± 1 | ≤45 | ≤60 | ≤25 |
| RX12 | ± 15 | ± 10 | ± 6 | ± 10 | ± 4 | ± 1 | ≤60 | ≤75 | ≤25 |
| RX13 | ± 20 | ± 15 | ± 8 | ± 10 | ± 4 | ± 1 | ≤70 | ≤85 | ≤25 |
| RX15 | ± 25 | ± 20 | ± 10 | ± 10 | ± 4 | ± 1 | ≤80 | ≤100 | ≤25 |