Portable 4-20mA/0-10V/mV Signal Generator and Tester

The LB78 is a high-quality calibrator that features several key components designed to enhance its performance and reliability. Some of the critical chips, such as the DA, reference voltage, and amplifier, utilize stable chips that can withstand high temperatures, improving the instrument's temperature stability and long-term aging.

The self-signal generator incorporated into the LB78 is equipped with a built-in one-time breakage mechanism, which helps avoid damage caused by incorrect insertion of 110V or 220V power supplies. Additionally, the device is powered by a built-in battery, ensuring low power dissipation and extended standby time.

The LB78 is designed to cover most of the functions required for the maintenance of various systems, including SPS, DCS, ESD, field instruments, controls, and frequency changers. These features are characterized by long-term stability and high precision, ensuring reliable performance. Furthermore, the LB78 prioritizes safety, with a comprehensive and clear display that provides users with all the necessary information.

The instrument's sleek and branded shell is carefully selected to offer resistance to pollution and scratches, enhancing its durability. Its compact size makes it easy to carry, making it a convenient tool for field work.

The signal tester integrated into the LB78 features a rational button layout, with each function having its own dedicated and user-friendly buttons. This design ensures fast response times and minimal delays in key operations.

The output signal capabilities of the LB78 include a voltage range of 0-11.00V, a current range of 0-24.00mA, and a millivolt range of 0-110.0mV. These versatile output options cater to a wide variety of measurement and calibration needs.

The LB78 can operate in a wide range of environmental conditions, with a temperature range of -10°C to 50°C and a humidity range of 20%RH to 80%RH. Its power consumption is efficient, providing a runtime of 20+ hours for voltage output, with the actual runtime depending on the output current.

In summary, the LB78 is a high-quality calibrator that combines advanced features, robust construction, and user-friendly design to deliver reliable performance and versatility in various maintenance and calibration applications. Its attention to detail and focus on safety, stability, and precision make it a valuable tool for professionals in the field.

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