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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

DKSH-AND-Micro-Analytical-Balances-BM-Series
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

DKSH-AND-Semi-Micro-Analytical-Balances-GR-Series
Model
GR-202
GR-120
GR-200
GR-300
Weighing capacity
42 g/210 g
120 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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A&D Company Limited

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:

  1. High performance through advanced analog-to-digital and digital-to-analog conversion technology incorporating highly accurate sensors and exceptional quality.
  2. 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.
  3. A&D's products have expanded into a comprehensive line that ranges widely throughout industry, education, medicine and science.
[BM series, gr series, Semi-Micro Analytical Balances, Analytical Balances, Micro Analytical Balances, Micro, AND, A&D]