| Place of Origin | Zhejiang, China |
| Brand Name | YongDe |
| Model Number | D28 |
| Specification mm | D28*24 |
| Voltage Gradient V/mm | 210~235 |
| Square Wave Test Valve | 200 |
| 4/20μ S High Current Withstand kA | 65 |
| 8/20μ S high current withstand kA | 10 |
| DC1mA Refering Voltage kV | 5.3 |
| 0.75Times U1mA Leak current μ A < | 10 |
| Residual Votage Ratio | 1.88 |
| Aging Load Point Ratio% | 85 |
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