... connection cable, calibration certificate, Warranty card and gift box with carrying case. Interface 485(R)/USB (U) /RS232. Detailed Product ... connection cable, calibration certificate, Warranty card and gift box with carrying case. Interface 485(R)/USB (U) /RS232. Features Slectable ... , calibration certificate, Warranty card and gift box with carrying case. Interface 485(R)/USB (U) /RS232.