Significant efficiency and performance improvements can be realized by improving the current loop’s power supplies, replacing linear regulators with high-efficiency buck regulators ...

Tucson, Ariz. – A programmable 4- to 20-milliamp current loop transmitter from Texas Instruments Inc.'s BurrBrown product line provides for digital calibration of sensor and transmitter errors, thus ...

Industrial temperature sensors are widely used with 4–20mA current-loop transmitters in industrial control and automation. In the current loop the temperature sensor converts a temperature into a ...

The Loop-Powered Transmitter (LPT) from Otek Corp. extracts power from the loop’s current and uses it to charge a supercapacitor that powers the RF transmitter.

Sealevel Systems, Inc. adds a new 4-20 mA current loop board to the SeaRAQ family of I/O expansion designed for Relio industrial computers.

The firm has a more detailed description of the precision current interface on line in a paper titled “ High-Performance, High-Accuracy 4-20mA Current-Loop Transmitter Meets Toughest Industrial ...

Transmitter and receiver can be powered by leeching power from the loop operating current and the digital interface can be isolated by either magnetic or optical coupling. The d/a and a/d converters ...

When a 4-20mA loop transmitter is calibrated or configured it requires a 24 volt power supply – often in remote field locations without easy access to AC power. Additionally, the standard setup ...