The VBT-75P S2 is Vanguard’s second generation microprocessor-based, portable 75 kV dc vacuum bottle tester. This lightweight, portable tester is designed for testing circuit-breaker vacuum bottles in the field and at the shop.
Test voltages can be selected from 10 kV dc to 75 Kv dc in 1 Kv steps. The high voltage test time can be set from 5 seconds to 2 minutes. The test voltage is raised to the selected voltage and held for the test time duration. After the test time duration has elapsed and the leakage current did not pass the preset value of 100 μA, 200 μA, or 300 μA, the test voltage is returned to zero and a “Pass” message is displayed. If a flash-over condition occurs, such as bottle failure, the test voltage is immediately turned off, a “Failure” message is displayed on the LCD screen, and the “TEST FAIL” LED light on the unit is also illuminated.
The presence of high voltage is indicated by an audible tone and an illuminated “HIGH VOLTAGE” LED light. For additional operator safety, an “ARM” switch must be held down during testing.
The VBT-75P S2 features a back-lit LCD screen (20 characters by 4 lines) that is viewable in both bright sunlight and low-light levels. A rugged, 16-key, membrane keypad is used to control the unit. Test results can be printed on the built-in 2.5″ wide thermal printer.
The VBT-75P S2 can store up to 84 records of 16 readings in Flash EEPROM. Test records can be retrieved and printed on the built-in thermal printer, or they can be transferred to a PC via the unit’s USB Flash drive port. The VBT-75P S2’s firmware can also be updated in the field via the same USB Flash drive port. Windows-based software is provided with each unit. Using this software, test records can be retrieved from the VBT-75P S2 and then stored on the PC for future analysis and report generation. Additionally, test records can be exported in PDF, Excel, and XML formats.
The VBT-75P S2 is furnished with a 10-foot test cable that is terminated with a quick-disconnect test clip. A transportation case is also included.
- 10 kV to 75 kVdc test voltages in 5 kV steps
- 100, 200, 300 micro-amperes programmable test current
- Displays test voltage and test current
- “Pass/Fail” indicator and message
- Very lightweight
- Shipping case included
- Built-in 2.5″ thermal printer
- Can store up to 84 records of 16 readings in Flash EEPROM
- USB Flash drive interface
VBT-75P S2是Vanguard的第二代基于微处理器的便携式75 kV直流真空瓶测试仪。这款轻巧便携的测试仪为测试现场和车间的断路器真空瓶而设计。
测试电压可选择10 kV直流至75 Kv直流，步长为1 Kv。高压测试时间可设置为5秒至2分钟。将测试电压升高到所选电压并保持测试持续时间。在测试持续时间结束并且泄漏电流未超过100μA，200μA或300μA的预设值后，测试电压返回到零并显示“通过”消息。如果发生闪络状态，例如瓶子故障，则立即关闭测试电压，LCD屏幕上显示“故障”消息，并且设备上的“TEST FAIL”LED灯也亮起。
高压的存在由可听音调和发光的“HIGH VOLTAGE”LED灯指示。为了提高操作员的安全性，在测试过程中必须按住“ARM”开关。
VBT-75P S2采用背光式液晶显示屏（20个字符×4行），可在明亮的阳光和弱光下观看。坚固的16键薄膜键盘用于控制设备。测试结果可以打印在内置的2.5“宽热敏打印机上。
VBT-75P S2可以在闪存EEPROM中存储多达84个16个读数的记录。可以在内置热敏打印机上检索和打印测试记录，也可以通过设备的USB闪存驱动器端口将测试记录传输到PC。VBT-75P S2的固件也可以通过相同的USB闪存驱动器端口在现场更新。每个单元都提供基于Windows的软件。使用该软件，可以从VBT-75P S2中检索测试记录，然后将其存储在PC上，以便将来进行分析和生成报告。此外，测试记录可以PDF，Excel和XML格式导出。
VBT-75P S2配有一根10英尺的测试电缆，终端带有快速断开的测试夹。还包括运输箱。
- 10 kV至75 kVdc测试电压，5 kV步进
- 100,200,300微安的可编程测试电流
- 显示测试电压和测试电流
- “通过/失败”指示符和消息
- 很轻巧
- 包括运输箱
- 内置2.5“热敏打印机
- 可以在Flash EEPROM中存储多达84个16个读数的记录
- USB闪存盘接口
真空泡测试仪（内置热敏打印机）
产品功能和性能：
主要用来在现场和工厂测试真空断路器真空泡的真空度。
产品卖点：
1）自动测试，测试电压可以从直流10kV 到 75kV进行输出，步长为5kV；测试持续时间可以从5秒-2分钟进行选择和设定；
2）泄漏电流有3档：100, 200, 300微安，可编辑和预设；
3）显示测试电压和电流；
4）测试结束后，能显示测试结果“通过/失败” 信息；
5）内置热敏打印机；
6）USB闪存；
7）重量轻，12 lbs., 5.44 Kg。
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