TDFA60220 is a USB ammeter that supports 4-20mA analog current signals of industrial sensors. Up to 12-bit 1,000 Ksps for real-time portability. Compatible with Windows/Linux. ■1,000 sampling per second quickly responds to sudden current changes. ■Works with bus power and works as a general HID device. No driver installation required. ■The USB PC side and current loop side are electrically insulated. Prevents noise interruption and limits the impact range of accidents. ■Free control command will work with Windows/Linux. Easy to incorporate into unique applications. ■ Calibration is possible with control commands. Control command and manuals can be downloaded from the official Tokyo Devices website.