Electronic Balance 30kg laboratory table balance 1. House: Robust ABS 2. Interface: Rs232C (connect with Printer or PC) 3. Double LCD With Backlight 4. More functions: Counting, Full Range Tare, Over-Load Protection, Zero Tracking, Automatic Turn-Off, Under Weighing, Low Power Indicator 5. Value stable time: 2 s 6. Power: 100-240V/50HZ-60HZ Model : WA-P Number WA10P WA20P WA30P WA101P WA201P WA251P WA301P Weighing (kg) 0-10 0-20 0-30 0-10 0-20 0-25 0-30 Division (g) 1/0.1 Repeatability (g)