BM Series
Micro Analytical Balances
BM Series Micro Analytical Balances  
Realizing high usability in micro-level weighing
Information Library
Development Story
PDFBrochure (PDF 6.95MB)
PDFManual (PDF 2.40MB)
PDFManual for WinCT-Plus (PDF 1.40MB)
interviews and testimonials
MOVIEDemonstration of the built-in fanless ionizer (YouTube)
MOVIEBM (or ION in the US) Series Introduction (YouTube)
Internal Calibration Reverse Backlit LCD Quick USB RS-232C Interface User Access Control GLP Compliant Time and Date Data Memory Function Counting with ACAI Percentage Function Auto Power ON Underhook Smart Range
LAN-Ethernet Interface                            
Instant and smooth static elimination using a built-in fanless ionizer to ensure stable weighing
Large working space for better operability and a wider range of applications
Interlockable sliding doors allowing efficient operation with both hands
Anti-static glass breeze break with a thin 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
Embedded temperature, humidity and atmospheric pressure sensors
Multiple weighing units: g, mg, oz, ozt, ct, mom, dwt, grain, specific gravity (either tael or tola can be added upon request)
Comes equipped with the handy AD-1688 weighing data logger
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-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* (please inquire at your local distributor for details)

* Patent pending
External Input/Output
RS-232C interface
Quick USB interface
LAN – Ethernet interface with WinCT-Plus software (optional)
BM-08: Ethernet interface with WinCT-Plus software
BM-014: Pipette accuracy testing kit
BM-014 Pipette Accuracy Testing Kit   Pipette accuracy test using the BM series  
BM-014 Pipette accuracy test using the BM series
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-8127 : Compact printer
AD-8526 : Serial/Ethernet 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 : Microfuge tube holder (for BM-20/22 only)
AX-BM-033 : Dust cover for storage
AX-BM-035 : Slide breeze break (for BM-20/22 only)
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-SW137-PRINT : Foot switch for print (with connector)
AX-SW137-REZERO : Foot switch for re-zero (with connector)
AX-USB-9P : Serial/USB converter with cable
AD-1671 Anti-vibration Table for Balances
AD-1672 Tabletop breeze break
Pans for elemental analyses Pans for PM filters Holder for microfuge tubes
Aluminum analytical pans Pans for weighing PM filters Holder for microfuge tubes
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
Readability 0.001 mg 0.001 mg / 0.01 mg 0.01 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
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)
Weighing pan Ø25 mm Ø90 mm
** Smart range function: The readability 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.
About minimum weight

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