The DMOM-200 S3 is Vanguard’s fourth generation, microprocessor-based, true DC micro-ohmmeter. It is designed for testing EHV circuit-breaker contact resistances, bushing contact joints, welding joints, or for any low-resistance measuring application. This high current and very lightweight (19.8 lbs/ 8.9 Kg) micro-ohmmeter is designed to meet the requirement for testing circuit breaker contact resistance.
The DMOM-200 S3 can accurately measure resistance values from 1 micro-ohm to 5 ohms. A 0.1 micro-ohm resolution is possible with current greater than 5A. The DMOM-200 S3 applies a selectable true DC test current from 1A to 200A to the resistance load to be tested. The DMOM-200 S3 controls the test current’s rise and fall rates. The test current rise and fall rate can be selected from 5 seconds to 10 seconds. An “Auto Test” mode is also available and can be initiated simply by applying the sense cables’ leads across the two points of interest in the current path. This feature is very convenient when measuring a sequence of several resistance values in a circuit breaker contact. The DMOM-200 S3 can also compare test results against preset limits and determine if a test passed or failed, and a “Pass” or “Fail” flag is displayed accordingly.
- Very lightweight: 19.8 lbs. (8.9 Kg)
- Measures circuit breaker contact resistance with safety ground on (with the Dual Ground option)
- Stores test records on-board or on external USB Flash drive
- 1 to 200A programmable test current
- Built-in 2.5″ wide thermal printer
DMOM-200 S3是Vanguard的第四代微处理器真正的直流微欧姆表。它设计用于测试超高压断路器接触电阻,套管接触接头,焊接接头或任何低电阻测量应用。这种高电流和非常轻(19.8 lbs / 8.9 Kg)微欧表的设计符合测试断路器接触电阻的要求。
DMOM-200 S3可以精确测量从1微欧到5欧姆的电阻值。电流大于5A时,分辨率可达0.1微欧。DMOM-200 S3将1A至200A的可选真实直流测试电流应用于待测电阻负载。DMOM-200 S3控制测试电流的上升和下降速率。测试电流上升和下降速率可以选择5秒至10秒。“自动测试”模式也是可用的,只需将感应电缆的引线应用于当前路径中的两个感兴趣点即可启动。在测量断路器触点中的几个电阻值的序列时,此功能非常方便。DMOM-200 S3还可以将测试结果与预设限制进行比较,并确定测试是通过还是失败,并相应地显示“通过”或“失败”标志。
- 非常轻便:19.8磅。(8.9公斤)
- 在安全接地的情况下测量断路器接触电阻(使用双接地选项)
- 在板载或外部USB闪存盘上存储测试记录
- 1至200A可编程测试电流
- 内置2.5“宽热敏打印机
DMOM-200 S3
真直流微欧表 / 高压开关回路电阻测试仪(直流电流可达200A,内置热敏打印机)
产品功能和性能:
主要用于测量断路器回路的接触电阻,套管接点、焊接接头或者其它一些小电阻。。
产品卖点:
1)电阻读数范围从1?? 到5000m?;
2)输出真直流电流,大小从1A 到200 A,直流电流可达200A;
3)输出电流的上升和下降时间可控;
4)可以测双侧接地的断路器触头(可选项);
5)44-键 “标准”-键盘,USB闪存,以及RS-232通讯接口;
6)质量轻 (19.8 lbs/8.9 kg);
7)内置2.5英寸热敏打印机。
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