BUYISI LB78 Signal Generator 4-20mA Resistance Current Voltage Signal Source Calibrator Tester With Built-in Quick-break Fuse

【Quick-break Fuse】The LB78 signal generator is equipped with a built-in quick-break fuse, effectively instrument damage from misinserting the electric supply with 110V or 220V. 【Stable Chips for Components】Adopting stable chips for components including DA, reference voltage, and operational boosters, this signal generator ensures high temperature stability and long-term aging performance for accurate and reliable measurements. 【Rational Layout】Featuring a rational layout, this signal generator has corresponding keys for all functions, making it easy to operate and navigate through various features and settings. 【Fast for response】With fast speed for response, this signal generator offers a smooth and seamless user experience, allowing quick and effortless adjustment of settings and parameters. 【Built-in Battery with Low Power Dissipation】Equipped with a built-in battery, the LB78 signal generator offers low power dissipation and long standby time, it is always ready for use even during extended periods of non-use.