A&D – Analytical Balances – BM / GR Series
Static electricity, while often overlooked, can be a fatal source of error in precise weight measurements. With the BM and GR Series, A&D seek in various ways to help you perform sometimes-tricky analytical weighing with simplicity and accuracy, including the elimination of static electricity. The world of micro grams (µg) is now accessible to all researchers!
Available Models
Technical Specifications
| Model | BM-20 | BM-22 | BM-252 | BM-200 | BM-300 | BM-500 | |
|---|---|---|---|---|---|---|---|
| Weighing capacity | 22 g | 5.1 g / 22 g ** | 250 g | 220 g | 320 g | 520 g | |
| Minimum weighing value | 0.001 mg | 0.001 mg / 0.01 mg | 0.01 mg | 0.1 mg | 0.1 mg | 0.1 mg | |
| Repeatability (Standard deviation) | 0.0025 mg (for 1 g) | 0.004 mg (for 1 g) / 0.01 mg | 0.03 mg (for 100 g) | 0.1 mg | 0.2 mg | 0.2 mg | |
| Linearity | ±0.010 mg | ±0.010 mg / ±0.02 mg | ±0.10 mg | ±0.2 mg | ±0.3 mg | ±0.5 mg | |
| Sensitivity drift (10 °C to 30 °C) | ±2 ppm/°C (when automatic self calibration is not used) | ±2 ppm/°C (when automatic self calibration is not used) | ±2 ppm/°C (when automatic self calibration is not used) | ±2 ppm/°C (when automatic self calibration is not used) | ±2 ppm/°C (when automatic self calibration is not used) | ±2 ppm/°C (when automatic self calibration is not used) | |
| Weighing pan | Ø25 mm | Ø25 mm | Ø90 mm | Ø90 mm | Ø90 mm | Ø90 mm | |
| ** Smart range function: The minimum weighing value will switch to 0.01 mg automatically when the display value exceeds 5.1 g but returns to 0.001 mg by pressing the RE-ZERO key. | |||||||
Key Features
- Capacity 22 to 520 g
- Maximum Resolution 0.001 mg
- Easy, fanless static elimination using a built-in ionizer
- Anti-static glass breeze break with a thin evaporated metal coating
- Automatic calibration with an internal mass – Automatic response adjustment
- Clearly visible, reverse backlit LCD
- Twelve weighing units
- Data memory function
- AD-1688 weighing data logger as a standard accessory
- RS-232C and Quick USB interfaces as standard
- Counting mode with the Automatic Counting Accuracy Improvement (ACAI) function
- Percent mode function Comparator function with buzzer
- Built-in temperature, humidity, and atmospheric pressure sensors
- Optional pipette accuracy testing kit
Technical Specifications
| Model | GR-202 | GR-120 | GR-200 | GR-300 |
|---|---|---|---|---|
| Weighing capacity | 42 g/210 g | 210 g | 310 g | |
| Minimum weighing value | 0.01 mg/0.1 mg | 0.1 mg | 0.1 mg | 0.1 mg |
| Repeatability (Standard deviation) | 0.02 mg/0.1 mg | 0.1 mg | 0.1 mg | 0.2 mg |
| Linearity | ±0.03 mg /±0.2 mg | ±0.2 mg | ±0.2 mg | ±0.3 mg |
| Sensitivity drift (10 °C to 30 °C) | ±2 ppm/˚C (when automatic self calibration is not used) | ±2 ppm/˚C (when automatic self calibration is not used) | ±2 ppm/˚C (when automatic self calibration is not used) | ±2 ppm/˚C (when automatic self calibration is not used) |
| Weighing pan | Ø85 mm | Ø85 mm | Ø85 mm | Ø85 mm |
Key Features
- Capacity 42 to 310 g
- Maximum Resolution 0.01 mg
- Internal Calibrate
- Small footprint of 249 mm by 330 mm to save space
- Automatic self calibration to maintain accuracy under temperature changes
- Anti-static glass breeze break with a thin evaporated metal coating
- Data memory function
- Counting mode with the Automatic Counting Accuracy Improvement (ACAI) function
- Percent mode function Auto power on function
- Underhook function
- Density determination function and an optional density determination kit
- Windows Communication Tools software (WinCT) on CD-ROM
Weighing Polystyrene Sphere With BM-20 Microbalance
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Brand
A&D Company, Limited is a world-class producer of advanced measuring, monitoring, controlling and testing instruments. Individuals with varied educational and technical skills use these instruments in a wide range of applications. Yet these products share a number of things in common:
High performance through advanced analog-to-digital and digital-to-analog conversion technology incorporating highly accurate sensors and exceptional quality.
Since its inception in 1977, A&D has built a reputation for high quality products, which help the user to perform his/her job more accurately and effectively.
A&D’s products have expanded into a comprehensive line that ranges widely throughout industry, education, medicine and science.