Data capacity | Maximum 10,000 sets (including date and time) | Interval time | 1, 2, 5, 10, 15, 20, 30 seconds, 1, 2, 5, 10, 15, 20, 30, 60 minutes | Power supply | Two LR6 (AA) batteries or USB* | Battery life | Approx. 20 hours (with alkaline batteries) | Clock accuracy | Maximum ±1 minute/month | Compatible operating systems | Windows 2000 / XP / Vista / 7 / 8 / 10 (32 / 64 bit) | Operating environment | 0 to 60 °C / 32 to 140 °F, 85% RH or less (no condensation) | Dimensions / Weight | Main unit : 127 (W) × 90 (H) × 36 (D) mm (including the protector) / 275 g (including batteries and protector) | Air flow sensor unit : 90 (W) × 90 (H) × 91 (D) mm / 89.7 g | Standard accessories | Three RS-232C cables for weighing instruments (9-pin D-Sub, 25-pin D-Sub, and 7-pin DIN, 1 m), USB cable (2 m), Cable for the air flow sensor unit (2 m), Two R6 (AA) batteries (for operation check), Protector (for the main unit), Instruction manual | * No battery is required when connected to a PC or AC adapter (optional) via USB. |