How to Eliminate the Greatest Enemy of Precision Weighing
Static electricity, while often overlooked, can be a fatal source of error in precise weight measurements. With the BM 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 micrograms (µg) is now accessible to all researchers!
Built-in Fanless Ionizer
The internal ionizer neutralizes an electrostatically charged object instantly. Simply hold the sample in the neutralizing chamber for a second before placing it in the weighing chamber.
- Direct-current (DC) method – The DC ionizer is fanless so you can even neutralize fine powders without having them blown away.
- Long life of approximately 10,000 hours The discharge electrode pins of the ionizer can be used continuously for approximately 10,000 hours and are safely replaceable.
Anti-static Breeze Break
The thin evaporated metal coating of the breeze break blocks outside static electricity.
Motor-driven Internal Calibration Mass
The internal mass of the BM Series allows you to perform calibration quickly and correctly even if you are not skilled at calibrating balances using external masses.
- Automatic Self Calibration The balance can self-calibrate automatically when it detects a change in ambient temperature.
- One-Touch Automatic Calibration The accuracy of your balance is assured with one keypress
- Automatic Response Adjustment The balance automatically adjusts its response characteristics (FAST, MID, or SLOW) by analyzing the influence of drafts or vibrations on the stability of the display value. (Manual adjustment is also possible.)
Special Pans and Holder
The BM-20/22 includes three sizes (10 pieces each) of aluminum analytical pans, two pans for weighing PM filters , and a microfuge tube holder as standard.
Large Weighing Chamber for Improved Usability
To block drafts, A&D adopted a double-ring structure around the weighing pan and two vertical shields under the separation plate. This offers more space and easier operation than conventional 1 µg balances with a secondary breeze break in the chamber.
Clear, Reverse Backlit LCD
The contrast of black and white display provides excellent readability.
Interlockable Sliding Doors
It is possible to slide a door open using the handle on the opposite side. Effective use of both hands lets you perform weighing more efficiently.
Built-in Environmental Sensors
The balance displays the temperature, humidity, and atmospheric pressure for users who need to record these environmental conditions.
Multiple Weighing Units
You can easily select from g, mg, oz, ozt, ct, mom, dwt, grain, specific gravity, in addition to PC (counting mode) and % (percent mode). Either tael or tola can be added upon request.
Density Determination Function
For the BM-252/200/300/500, an optional density determination kit (AD-1653) is available for easy calculations of density.
Diverse Data Management Solutions
- Data Memory Function
The balance can store up to 200 sets of weighing data (100 sets with date & time) or 50 sets of calibration history data.
- GLP/GMP/GCP/ISO Compliant Output
In accordance with the Good Laboratory Practice (GLP), the balance can output the balance manufacturer, model, serial number, ID number, date, time, calibration mass used, space for signature, etc.
- Two Types of Interfaces – RS-232C and Quick USB (standard)
Two different devices (e.g. PC and remote controller) can be connected simultaneously to a balance. An external key jack for the optional footswitches (AX-SW137-PRINT/REZERO) is also available as standard.
Ethernet Interface (BM-08, optional) with WinCT-Plus Software
You can send commands for controlling and acquiring data from multiple balances.
Calibration Certificate and Government stamping by Legal Metrology Department & Get Free Same day delivery & Installation in Noida, Greater Noida, Ghaziabad & Delhi NCR.
|Jewelry Weighing Scale – A&D|
|Jewellery Weighing Scale – A&D Models||BM-20||BM-22||BM-252||BM-200||BM-300||BM-500|
|Weighing capacity||22 gm||5.1 gm / 22 gm||250 gm||220 gm||320 gm||520 gm|
|Minimum weighing value||0.001 mg||0.001 mg / 0.01 mg||0.01 mg||0.1 mg|
|Repeatability (standard deviation)||0.0025 mg (for 1 gm)||0.004 mg (for 1 gm) / 0.01 mg||0.03 mg (for 100 gm)||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|
|Stabilization time (when set to FAST)||Approx. 10 secs||Approx. 10 secs / 8 secs||Approx. 8 secs||Approx. 3.5 secs|
|Sensitivity drift||±2 ppm / °C (10 °C to 30 °C, when automatic self calibration is not used)|
|Operating temperature||5 °C to 40 °C (41 ゜F to 104 ゜F), 85%RH or less (no condensation)|
|Display refresh rate||5 times / second or 10 times / second|
|Display mode||g, mg, oz, ozt, ct, mom, dwt, grain, PC (counting mode), % (percent mode), specific gravity
(Either tael or tola can be added upon request.)
Minimum unit mass
Number of samples
10, 25, 50 or 100 pieces
Minimum 100% reference mass
Minimum 100% display
0.01%, 0.1%, 1% (depends on the reference mass stored)
|Standard interface||RS-232C, Quick USB|
|Internal calibration||Motor-driven internal calibration|
|Applicable masses for
|20 gm, 10 gm,
5 gm, 2 gm, 1 gm
|200 gm,100 gm
50 gm, 20 gm, 10 gm
|200 gm, 100 gm, 50 gm||300 gm, 200 gm
100 gm, 50 gm
|500 gm, 300 gm
200 gm, 100 gm, 50 gm
|Discharge electrode pins of the ionizer||Life approx. 10,000 hours (continuous use)|
|Weighing pan (diameter)||25 mm||90 mm|
|Power consumption||Approx. 30 VA (supplied to the AC adaptor)|
|External dimensions||259 (W) x 466 (D) x 326 (H) mm|
|Net weight||Approx. 10 kg|
|Standard accessories||AC adapter, Weighing data logger (AD-1688), Tweezers for calibration mass (AD-1689)
Tweezers and two weighing pans for PM filtersvi, Microfuge tube holdervi,
Three sizes of aluminum analytical pans (10 pcs each)vi, Slide breeze break (AX-BM-035)vi