Suitable Situation -> 適用于各計量、科研與生產部門作精密電感標準，尤其適用于對LCR表進行現場校準。 It is suitable to be used as precise inductance standard for all kinds of metrology units, research institutes, and manufacturers, and especially">
合用場合-> Suitable Situation ->
適用于各計量、科研與生產部門作精密電感標準，尤其適用于對LCR表進行現場校準。
It is suitable to be used as precise inductance standard for all kinds of metrology units, research institutes, and manufacturers, and especially suitable for on-site LCR Meter calibration.
詳細指標-> Detail specification->
1． 電感調節范圍 Inductance adjustment Range： 1μH ~111.11mH;
Inductance adjustment Range： 1μH ~111.11mH;
2． 最小步進值 Minimum step value：連續可調continuously adjustable；
Minimum step value：continuously adjustable
3． 最大允許誤差Maximum permissible error：±（2×10-4L+0.2μH）;
Maximum permissible error：±（2×10-4L+0.2μH）;
4． 年變化 Annual variation：±（1×10-4L+0.05μH）;
Annual variation：±（1×10-4L+0.05μH）;
5． 溫度系數 Temperature coefficient：±3×10-5/℃；
Temperature coefficient：±3×10-5/℃；
6． 測試頻率 Measuring frequency：1000Hz。
Measuring frequency：1000Hz。
7． 初始電感值：≤1μH
技術規格-> Technical specification->
SB2011型精密十進位電感箱采用鐲環形電感線圈及電磁屏蔽，獨特的溫度補償結構與老化處理工藝并采取全封閉式的防潮措施，具有抗電磁 干擾能力強、受濕度與溫度影響極小、穩定性好、性能可靠、適應性強、結構新穎、操作方便等獨特優點。
SB2011 Precise Decade Inductance Box adopts loop inductance coil, EMC screen, special temperature compensation structure, aging technology, and whole-seal moistureproof measure. Therefore, it possesses many special characteristics, such as strong anti electromagnetic capability, little effect by humidity and temperature, perfect stability, reliable performance, strong adaptability, novel structure, and easy to operate.
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