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BZ3标准电阻田/span>9?/span>1/2W高精?*级线绕电阻系列组成,校准仪表时直接换档不需换线测试方便?*精度可达0.05%,长期稳定性好,为我司特别定制的标准电阻,其阻值包?/span>1m+/span>10m+/span>100m+/span>1+/span>10+/span>100+/span>1K+/span>10K+/span>100K,完全满趲/span>31号令《雷电防护装置检测资质管理办法》中规定皃/span>10-3~105范围。主要用于接地电阻测试仪,等电位测试仪等仪器的校准、/span>
二、量程精?/span>
型号 |
精度(%) |
温度系数(ppm(/span> |
0.001 |
2 |
25 |
0.01 |
0.5 |
|
0.1 |
0.2 |
|
1.0 |
0.2 |
|
10 |
0.05 |
|
100 |
0.05 |
|
1K |
0.05 |
|
10K |
0.05 |
|
100K |
0.1 |
基准条件9/span>23ℂ/span>150}/span>60 %RH
三、技术规栻/span>
胼/span> |
用于接地电阻测试仪,等电位测试仪等仪器的校准 |
稊/span> |
1m+/span>10m+/span>100m+/span>1+/span>10+/span>100+/span>1K+/span>10K+/span>100K |
接线方法 |
四线泔/span> |
玆/span> |
1/2W |
温度系数 |
25ppm |
寷/span> |
长宽厚:187*119*48mm |
测试线长 |
红色0.5m,黑?.5m?杠/span> |
野/span> |
?50g |
工作温湿?/span> |
-10℃~40℃;70%rh以下 |
存放温湿?/span> |
-20℃~60℃;80%rh以下 |
绝缘电阻 |
10M以上(电路与外壳之?00V) |
厊/span> |
AC 3700V/rms(电路与外壳之? |
适合安规 |
IEC61010-1?/span>CATⅡ/span>600V、污染等级?/span>JJG166-1993《直流电阻器检定规程《/span> |
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