Fluke PRV240 验证装置 Fluke PRV240 验证装置是一个便携式、袖珍型、电池供电电压源。 它在为 LoZ 和 HiZ 仪器验证稳定的交流和直流电压来源时具有独特的功能。 源交流和直流稳态电压 - 电源 240 V 直流/交流 单 LED 指示功能使该装置成为验证您的测试工具的易于使用的解决方案 与高阻抗或低阻抗万用表、钳表或双极测试仪兼容 来源于凹入式触点的电压在插入测试探头以防止意外接触时激活 随附 Fluke PRV240 验证装置，TPAK 悬挂带，四个 AA 电池和说明书。 电源电压指示器 - 接触式
**Unique, compact, convenient**
The Proving Unit is a portable, pocket-sized, battery-powered voltage source. It is unique in that it sources stable ac and dc voltages for both LoZ and HiZ instruments.
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**Designed for safety and compliance**
The Fluke PRV240 provides a safe method to verify that your electrical test tool is operating properly before you conduct any live tests. The concept of “Test Before Touch” TBT involves testing your meter against a known live source before and after the actual measurement. This sequence verifies that your test tool is operating properly during the actual measurement.
Verify your test tool without unnecessary exposure to shock and arc flash. Using the PRV240 reduces the need for personal protective equipment PPE when a known voltage source is not available for verification of your tester or multimeter before test before TBT are performed. PPE is still needed for absence of voltage testing when appropriate.