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BM Series

Micro Analytical Balances

Built-in fanless ionizer!

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Model BM-5 BM-5D BM-20 BM-22
Capacity 5.2 g 2.1 g / 5.2 g*3 22 g 5.1 g / 22 g*3
Readability 0.001 mg 0.001 mg / 0.01 mg 0.001 mg 0.001 mg / 0.01 mg
Repeatability (σ) 0.0012 mg (for 1 g) 0.004 mg (for 1 g) / 0.01 mg 0.0025 mg (for 1 g) 0.004 mg (for 1 g) / 0.01 mg
Minimum weight*4 (typ.) 2.0 mg 5.0 mg 3.0 mg 5.0 mg
Linearity ±0.010 mg ±0.010 mg / ±0.02 mg ±0.010 mg ±0.010 mg / ±0.02 mg
Weighing pan Ø25 mm
Model BM-252 BM-200 BM-300 BM-500
Capacity 250 g 220 g 320 g 520 g
Readability 0.01 mg 0.1 mg
Repeatability (σ) 0.03 mg (for 100 g) 0.1 mg 0.2 mg
Minimum weight*4 (typ.) 20 mg 120 mg
Linearity ±0.10 mg ±0.2 mg ±0.3 mg ±0.5 mg
Weighing pan Ø90 mm

*3 Smart range function: The readability will switch to 0.01 mg automatically when the display value exceeds 2.1 g (BM-5D) or 5.1 g (BM-22) but will return to 0.001 mg by pressing the RE-ZERO key.
*4 Pursuant to the United States Pharmacopeia (USP), Chapter 41

  • A built-in fanless ionizer that allows for instant removal of destabilizing static electricity from the sample and container
  • Includes four 0.001 mg readability models to be selected for different purposes
  • Comes equipped with the AD-1676 tabletop breeze break (medium) as standard (BM-5/5D/20/22)
  • Anti-static glass breeze break with a transparent evaporated metal coating
  • Adjustable (manual or automatic) response characteristics to help cope with the effect of drafts and vibrations
  • Automatic self calibration to maintain accuracy under temperature changes
  • Automatic repeatability test function using the internal calibration weight for simple precision checks at the location
  • Embedded temperature, humidity and atmospheric pressure sensors
  • Interlockable sliding doors that allow for efficient operation with both hands
  • Multiple weighing units: g, mg, oz, ozt, ct, mom, dwt, grain, specific gravity (either tael or tola can be added upon request)
  • Comes standard with the handy AD-1688 weighing data logger, AD-1689 tweezers for calibration weight, and the AX-BM-033 dust cover for storage
  • Clearly visible, reverse-backlit LCD
  • GLP/GMP/GCP/ISO compliant output
  • Clock and calendar function
  • Data memory function
  • 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
  • Auto power on function
  • Underhook function
  • Special pans/holder (BM-5/5D/20/22)
  • Density determination function and an optional density determination kit (for BM-252/200/300/500 only)
  • Optional pipette accuracy testing kit
  • Windows Communication Tools software (WinCT)
  • Expert assessment of the set-up environment using AND-MEET*1 (please inquire at your local distributor for details)

    *1 Patent pending

0:08 / 2:31 A&D Anti Static Micro Balance demo | BM Series Micro Analytical Balances from A&D
0:02 / 4:36 A&D Micro and Semi-Micro Balance Series Overview | BM Series from A&D
  • RS-232C interface
  • Quick USB interface
  • Ethernet interface with WinCT-Plus software (optional)
  • AD-1653 : Density determination Kit (for BM-252/200/300/500 only)
  • AD-1671 : Anti-vibration table for balances
  • AD-1672 / AD-1672A : Tabletop breeze break (large)
  • AD-1676 : Tabletop breeze break (medium)    PDFManual (PDF 302 KB)
  • AD-1682 : Rechargeable battery unit
  • AD-1683 : Static eliminator
  • AD-1684A : Electrostatic field meter
  • AD-1687 : Weighing environment logger
  • AD-1689 : Tweezers for calibration weight*2
  • AD-8127 : Compact printer
  • AD-8526 : RS-232C/Ethernet (TCP/IP) converter
  • AD-8527 : Quick USB adapter
  • AD-8529PC-W : Bluetooth® converter for PC
  • AD-8529PR-W : Bluetooth® converter for printer
  • AD-8920A : Remote display
  • AD-8922A : Remote controller
  • AX-BM-031 : Display covers (5 pcs)
  • AX-BM-032 : Microtube holder for BM-5/5D/20/22
  • AX-BM-033 : Dust cover for storage*2
  • AX-BM-034 : Microtube holder for BM-252/200/300/500
  • AX-BM-035 : Slide breeze break (for BM-20/22 only)
  • AX-BM-NEEDLESET : Discharge electrode units for the ionizer (a set of 4 pcs)
  • AX-HOLDER-SET : Sample cup holder set
  • AX-KO2466-200 : RS-232C cable (9P-9P)
  • AX-ROUND-PAN-L : Round aluminum analytical pans (∅15 mm, 0.8 ml, 100 pcs)
  • AX-ROUND-PAN-M : Round aluminum analytical pans (∅12 mm, 0.3 ml, 100 pcs)
  • AX-ROUND-PAN-S : Round aluminum analytical pans (∅8 mm, 0.05 ml, 100 pcs)
  • AX-SW137-PRINT : Foot switch for print (with connector)
  • AX-SW137-REZERO : Foot switch for re-zero (with connector)
  • AX-USB-9P : RS-232C/USB converter with cable

    *2 Provided as standard, but also available as an accessory


AD-1671

AD-1671

Aluminum analytical pans

Pans for weighing PM filters

Holder for microfuge tubes
  • BM-08: Ethernet interface with WinCT-Plus software
  • BM-014: Pipette accuracy testing kit    PDFManual (PDF 193 KB)

BM-014

Pipette accuracy test using the BM series