Manufacturer:A & D Weighing

Types:Balances, Micro Balances

Application:Gram and Milligram Weighing

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A&D BM Series Microbalance

BM Series

Weighing is at the heart of many laboratory processes, and the BM Series Microbalance (Ion Series) offers the features, performance and standard accessories to bring real convenience to your lab. With the six balances of the Ion Series, you can choose a capacity as high as 520 g or a microbalance with readability down to 1 μg.

  • Readability to 1µg (0.001 mg)
  • Built-in Fanless Ionizer Standard
  • Large Weighing Chamber
  • Automatic Response Adjustment
  • Automatic Self Calibration
  • GLP/GMP/GCP/ISO Compliant
  • AD-1688 Data Logger included


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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
AD-1682 : Rechargeable battery unit
AD-1683 : Static eliminator
AD-1684A : Electrostatic field meter
AD-1687 : Weighing environment logger
AD-1688 : Weighing data logger (comes as standard but also available as an accessory)
AD-1689 : Tweezers for calibration weight
AD-1691 : Weighing environment analyzer
AD-8118C : Universal printer
AD-8121B : Compact printer
AD-8526 : Serial/Ethernet converter
AD-8527 : Quick USB adapter
AD-8920A : Remote display
AD-8922A : Remote controller
AX-BM-031 : Display covers (5 pcs)
AX-BM-032 : Microfuge tube holder (for BM-20/22 only)
AX-BM-033 : Dust cover for storage
AX-BM-NEEDLESET : Electrode units for the ionizer
AX-HOLDER-SET : Sample Cup Holder Set
AX-KO2466-200 : RS-232C cable (9P-9P)
AX-ROUND-PAN-L : Round aluminum analytical pans (φ15 mm, 0.8 ml, 100 pcs)
AX-ROUND-PAN-M : Round aluminum analytical pans (φ12 mm, 0.3 ml, 100 pcs)
AX-ROUND-PAN-S : Round aluminum analytical pans (φ8 mm, 0.05 ml, 100 pcs)
AX-SW128 : Foot switch
AX-SW137-PRINT : Foot switch for print (with connector)
AX-SW137-REZERO : Foot switch for re-zero (with connector)
AX-T-314A-S : External key plug
AX-USB-9P : Serial/USB converter

ModelBM-20BM-22
Weighing capacity22 g5.1 g / 22 g
Minimum weighing value0.001 mg0.001 mg / 0.01 mg
Repeatability (Standard deviation)0.0025 mg (for 1 g)0.004 mg (for 1 g) / 0.01 mg
Linearity±0.010 mg±0.010 mg / ±0.02 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)
Weighing pan˜25 mm˜90 mm
ModelWeighing capacityMinimum weighing value 
BM-2022 g0.001 mg
BM-225.1 g / 22 g0.001 mg / 0.01 mg