1756 Automation Parkway
San Jose, CA 95131
(800) 726-3364 or (408) 263-5333
www.andweighing.com
©
2012 A&D Weighing
LIT: BM 3/12
MODEL BM-20 BM-22 BM-252 BM-200 BM-300 BM-500
Weighing capacity 22 g 5.1 g / 22 g
1
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
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 ±0.010 mg ±0.2 mg ±0.3 mg ±0.5 mg
Stabilization time (set to FAST) Approx. 10 sec. Approx. 10 / 8 sec. Approx. 8 sec. Approx. 3.5 sec.
Sensitivity drift (10 °C to 30 °C) ±2 ppm / °C ( When automatic self calibration is not used )
Operating temperature 5 °C to 40 °C (41 °F to 104 °F), 85% RH or less (non-condensing)
Display refresh rate 5 times / second or 10 times / second
Measurement Units
(Display mode)
g, mg, oz, ozt, ct, momme, dwt, GN, tael, tola, messghal, pieces (counting mode), % (percent mode), Specifi c gravity
Counting mode Minimum unit mass = 0.1 mg / Number of samples = 10, 25, 50 or 100 pieces
Percent mode Minimum 100% ref. mass = 10.0 mg / Minimum 100% display = 0.01%, 0.1%, 1% (depends on the reference mass stored)
Internal Memory 200 sets weighing data / 100 sets with date & time / 50 sets of calibration data
External Data Logger Store up to 5,000 weighing results with date & time to AD-1688 (standard)
Data Output
GLP / GMP / GCP / ISO compliant. Outputs: balance manufacturer, model,
s/n, balance identifi cation number, data, time of calibration, mass used, and space for signature.
Standard interface RS-232C, Quick USB, External key plug for optional foot switch (SW:128)
Internal calibration Motor-driven internal calibration
External calibration masses (g) 20, 10, 5, 2, 1 200, 100, 50, 20, 10 200, 100, 50 300, 200, 100, 50 500, 300, 200, 100, 50
Ionizer electrode pin life Approx. 10,000 hours of continuous use. (User replaceable)
Weighing pan diameter 25 mm (50 mm, 95 mm for weighing fi lters) 90 mm
Power consumption Approx. 30 VA (supplied by the AC adapter)
External dimensions / Weight 259 (W) x 466 (D) x 326 (H) mm / Approx. 10 kg
Standard accessories
AC adapter, Instruction manual, WinCT (CD-ROM), Weighing Data Logger (AD-1688), Long Tweezers for calibration mass (AD-1689),
Standard Tweezers. BM-20/22 also includes two fi lter weighing pans, microfuge holders and 3 sizes of disposable pans.
1 Smart range function: The minimum weighing value switches to 0.01 mg automatically when the display value exceeds 5.1 g but returns to 0.001 mg by pressing the RE-ZERO (tare) key.
BM Series Specifi cations
Options
• BM-08
2
Ethernet interface with WinCT-Plus software
• BM-14
Pipette Accessory Testing Kit
2
BM-08 and the standard Quick USB interface cannot be used at
the same time.
Option BM-14
Accessories
• AD-1653
Density determination kit
(for BM-252/200/300/500 only)
• AD-1670
Anti-vibration Table (slab)
• AD-1672
Tabletop Breeze Break
• AD-1682
Rechargeable battery unit
• AD-1684 Electrostatic Fieldmeter
• AD-1688 Weighing Data Logger
3
• AD-1689 Tweezers for calibration weight
3
• AD-1192 Compact printer
• AD-8121B Statistical printer
• AD-8920A
Remote display
• AD-8922A
Remote controller
• AX-BM-031
Display covers (5 pcs)
• AX-BM-NEEDLESET Electrode units
• KO:WW9/9 RS-232C cable (9p-9p, 2 m)
• SW:128 Foot switch
• AX-T-314A-S External key plug
• AX-USB-2920-9P Serial/USB converter
3
Included as standard with any BM Series balance
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