A&D Ion Series BM-252 Semi-micro Balance, 250 g x 0.01 mg, with RS-232C

Item #BM-252

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Calibration Method

Calibration ensures Regulatory and Audit Compliance

  • Pipette accuracy testing kit for BM Series, not for use with BM-5/5D (A&D-PN BM-14) (PN ) SKU: $1,905.00
  • External draft enclosure (A&D-PN AD-1676) (PN ) SKU: $705.00
  • AC adapter, 120V/220V, for BM, HR-A, HR-AZ, HR, GR, GF, GX, GF-K, GX-K, FX-i, FZ-i, MC, AD-4212A/B/C, AD-8918, HF, HM, HP, HF-G (A&D-PN TB:648) (PN ) SKU: $50.00
  • 9-pin RS-232 to USB converter with cable (A&D-PN AX-USB-2920-9P) (PN ) SKU: $65.00
  • External key plug (A&D-PN AX-T-314A-S) (PN ) SKU: $120.00
  • RS-232C cable, 9-pin to 9-pin, 2 m (A&D-PN KO:WW9-9) (PN ) SKU: $50.00
  • Replacement electrode for BM Series ionizer, set of 4 (A&D-PN AX-BM-NEEDLESET) (PN ) SKU: $130.00
  • Display covers for Ion BM Series, 5 pieces (A&D-PN AX-BM-031) (PN ) SKU: $65.00
  • Weighing environment logger (A&D-PN AD-1687) (PN ) SKU: $1,085.00
  • Tabletop breeze break (A&D-PN AD-1672) (PN ) SKU: $2,305.00
  • Anti-vibration table (slab) (A&D-PN AD-1671) (PN ) SKU: $1,575.00
  • Compact Printer, cable not included (A&D-PN AD-1192) (PN ) SKU: $540.00
  • Ethernet option for BM Series (A&D-PN BM-08) (PN ) SKU: $340.00
  • Foot switch (A&D-PN SW:128) (PN ) SKU: $96.00
  • Universal remote display (A&D-PN AD-8920A) (PN ) SKU: $315.00
  • External rechargeable battery pack, for A&D Ion, Phoenix, Gemini, Orion, Apollo, GF, GX, GP and MC Series (A&D-PN AD-1682) (PN ) SKU: $800.00
  • Density determination kit (A&D-PN AD-1653) (PN ) SKU: $660.00
  • Electrostatic field meter (A&D-PN AD-1684) (PN ) SKU: $1,730.00
  • Remote controller (A&D-PN AD-8922A) (PN ) SKU: $750.00
  • Weighing data logger, for A&D models with RS-232 except JM/JL Series (A&D-PN AD-1688) (PN ) SKU: $360.00
  • Calibration weight tweezers, pack of 5 (A&D-PN AD-1689) (PN ) SKU: $220.00
  • Resolution of 0.01 mg

  • Built-in fanless static eliminator

  • Anti-static glass breeze break

  • Percentage and counting modes

  • Large weighing chamber

  • Automatic response adjustment

  • Automatic self calibration

  • RS-232C and WinCT Software standard

  • Quick USB interface

  • GLP/GMP/GCP/ISO compliant

  • AD-1688 Data Logger included


Bring confidence to your lab with the Ion BM Series of micro balances. With a capacity up to 520 g, or with readability down to 1 µg, the Ion BM Series can handle even trace quantities of valuable or degradable substances with confidence.

The fan-less, integrated, direct current ionizer eliminates static and comes standard on all Ion BM models. The automatic response adjustment function is powered by the embedded sensors to deliver fast and stable results to compensate for environmental variables such as temperature, humidity, vibration and atmosphere.

Weighing Capacity 250 g
Readability 0.01 mg
Repeatability (Standard Deviation) 0.03 mg (for 100 g)
Linearity ±0.010 mg
Minimum Weight (typical) 20 mg (pursuant to the United States Pharmacopoeia (USP), Chapter 4.1)
Stabilization Time (set to FAST) Approximately 8 seconds
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, messghal, pieces (counting mode), % (percent mode), specific gravity (tael and tola can be added upon request)
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 identification number, data, time of calibration, mass used, and space for signature.
Standard Interface RS-232C, Quick USB, external key plug for optional foot switch (PN SW:128)
Internal Calibration Motor-driven internal calibration
External Calibration Masses (g) 200, 100, 50, 20, 10
Ionizer Electrode Pin Life Approximately 10,000 hours of continuous use (user replaceable)
Weighing Pan Diameter 90 mm
Power Consumption Approximately 30 VA (supplied by the AC adapter)
External Dimensions 259 W x 466 D x 326 H mm
Weight Approximately 10 kg

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