HART-USB Modem, Industrial HART Communicator with Built-in 24V Power Supply, Compatible with HART Protocol Instruments

SM100-C(III) HART-USB Modem is a professional communication device designed for engineers and technicians working with HART-enabled field instruments. It provides a fast and stable connection between a computer and industrial transmitters for configuration, calibration, and maintenance tasks.This modem includes a built-in isolated 24V power supply and high-precision 250Ω resistor, simplifying wiring and improving test efficiency. The USB interface offers plug-and-play convenience — simply connect to your PC and begin communication using HART configuration software.Engineered for industrial reliability, the SM100-C(III) operates effectively in demanding environments, withstanding temperature extremes, vibration, and electromagnetic interference. Compact in size and easy to carry, it’s an ideal tool for field calibration, maintenance, and lab testing. Specification Power Supply: USB bus power (DC 5V / 30mA) Built-in Power Output: Isolated DC 24V Internal Resistance: Built-in precision 250Ω Interface: USB 2.0 Operating Temperature: -20°C to +80°C Relative Humidity: 10% to 80% RH Dimensions: 71 × 52 × 22 mm Applications Industrial process control Instrument calibration and maintenance R&D laboratory testing Automation and sensor integration Field commissioning and diagnostics

• Universal HART Protocol Support — Communicates with a wide range of HART-enabled transmitters and control devices for configuration and diagnostics.
• Built-in Power and Resistance — Equipped with an isolated 24V DC output and a precision 250Ω resistor, eliminating the need for external power or wiring accessories.
• USB Plug-and-Play Connection — Simple USB interface ensures quick connection to your PC without additional drivers.
• Industrial-Grade Design — Compact and rugged construction designed to perform reliably under harsh temperature, vibration, and electromagnetic conditions.
• Status LED Indicators — LED lights clearly display power, transmit, and receive status, allowing easy operation and troubleshooting.