Analytical balance A&D Instruments HR-250AZ. Capacity 252 g, resolution 0.1 mg Size of plate 90 mm Robust, high protection against dust and water. Great camera windscreen with sliding doors to rotating. Internal calibration with a single key. Absorption of shock. Auto power off and auto switch. Base size B% to tight spots. LCD screen. Statistical calculations SCF. RS-232 standard. Load cell quick response time 2 sec. Optional: USB interface fast interface LAN-Ethernet with software WinCT-Plus.