美国 Valhalla Scientific,点火器测试仪,Alpha 4314 数字点火器测试仪,便携式数字欧姆计,专门设计用于对爆炸装置(如小药丸、引信)进行超安全的电阻测试
Alpha 4314 数字点火器测试仪
主要特点:
- 本质安全电路
- 标准测试和失效安全电流
- 分辨率高达 100 微欧,测试范围可达 200 兆欧
- 可配置的 4 个范围中的 9 个选项
- 包含 NIST 可追溯的校准证书
- 便携式设计,配有可充电电池
- 现提供 RS-232 接口选项
Alpha 4314 Std 是 Alpha 4314 的一种配置,具有标准电流范围。
ng # | Range | Resolution | Test Current | Fail-Safe Current | Accuracy |
0 | 2Ω | 100µΩ | 10mA | 16mA | ± 0.02% of reading ± 0.02% of range |
1 | 20Ω | 1mΩ | 10mA | 16mA | ± 0.02% of reading ± 0.02% of range |
2 | 200Ω | 10mΩ | 1mA | 1.8mA | ± 0.02% of reading ± 0.02% of range |
3 | 2kΩ | 100mΩ | 100μA | 180μA | ± 0.02% of reading ± 0.02% of range |
4 | 20kΩ | 1Ω | 10μA | 18μA | ± 0.02% of reading ± 0.02% of range |
5 | 200kΩ | 10Ω | 1μA | 1.8μA | ± 0.05% of reading ± 0.05% of range |
6 | 2MΩ | 100Ω | 100nA | 180nA | ± 1% of reading ± 0.2% of range |
7 | 20MΩ | 1kΩ | 10nA | 18nA | ± 2% of reading ± 0.2% of range |
8 | 200MΩ | 10kΩ | 1nA | 1.8nA | ± 3% of reading ± 1% of range |
Alpha 4314 |
范围、分辨率和准确度
标准版的 Alpha 4314 提供 20、200、2k 和 20k 欧姆范围,但可以根据您的需求进行配置。下表列出了可以安装在 Alpha 4314 KRC 中的九个可能范围。下订单时,只需指定您希望安装在仪器中的四个范围编号。20MΩ 和 100MΩ 范围仅在标准电流配置中可用。
Alpha 4314 | Alpha 4314 KRC Reduced Current | ||||||
Rng # | Range | Resolution | Test Current | Fail-Safe Current | Test Current | Fail-Safe Current | Accuracy |
0 | 2Ω | 100µΩ | 10mA | 16mA | 5mA | 8mA | ± 0.02% of reading ± 0.02% of range |
1 | 20Ω | 1mΩ | 10mA | 16mA | 5mA | 8mA | ± 0.02% of reading ± 0.02% of range |
2 | 200Ω | 10mΩ | 1mA | 1.8mA | 500μA | 1.8mA | ± 0.02% of reading ± 0.02% of range |
3 | 2kΩ | 100mΩ | 100μA | 180μA | 50μA | 180μA | ± 0.02% of reading ± 0.02% of range |
4 | 20kΩ | 1Ω | 10μA | 18μA | 5μA | 18μA | ± 0.02% of reading ± 0.02% of range |
5 | 200kΩ | 10Ω | 1μA | 1.8μA | 500nA | 1.8μA | ± 0.05% of reading ± 0.05% of range |
6 | 2MΩ | 100Ω | 100nA | 180nA | 50nA | 180nA | ± 1% of reading ± 0.2% of range |
7 | 20MΩ | 1kΩ | 10nA | 18nA | n/a | n/a | ± 2% of reading ± 0.2% of range |
8 | 200MΩ | 10kΩ | 1nA | 1.8nA | n/a | n/a | ± 3% of reading ± 1% of range |