A&D BM-500 Micro Analytical Balance, 520 g Capacity, 0.1 mg Readability

The A&D BM-500 micro analytical balance provides precise laboratory weighing up to 520 g, with a stated readability of 0.1 mg. The listing also describes measurement precision of 0.2 mg. It is designed for repeatable mass measurements in analytical chemistry, biotechnology, molecular biology, pharmaceutical research, and quality-control workflows.

• Capacity and readability: 520 g maximum capacity with 0.1 mg readability
• Pan diameter: 90 mm
• Approximate stabilization time: 3.5 seconds
• Static charge control: Built-in fanless ionizer reduces electrostatic charge on samples and containers, including disposable weighing boats and plastic centrifuge containers
• Calibration: Integrated internal calibration weight with automatic calibration triggered by ambient temperature changes, plus one-touch calibration
• Weighing functions: Percent mode for target weighing and sample variance checks
• Display: Reverse backlit display with an LED indicator when the ionizer is active
• Data and memory: Internal memory stores weighing values, calibration results, and multiple unit masses
• Testing: Automatic repeatability testing using the internal calibration weight, with downloadable calibration test reports
• Operation: Intuitive keypad, integrated clock and calendar, and bubble spirit level for correct positioning
• Protection: Removable display cover helps protect the controls from dust and accidental spills
• Connectivity: USB data logger for transferring weighing records to Microsoft Word or Excel on a Windows PC
• Included accessories: Tweezers for the calibration weight, dust cover, USB data logger, and AC adapter
• Security: Optional password lock function restricts user access and setting changes

This analytical laboratory balance is suitable for accurate sample preparation, formulation, target weighing, and repeatability checks in research and biomanufacturing environments.