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BM Series

Product Features
  • 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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    Warranty Information

    Five Year Warranty

    Standing behind every product and guaranteeing performance and quality.
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    MODEL BM-20 BM-22 BM-252 BM-200 BM-300 BM-500
    Weighing capacity 22g 5.1g / 22g1 250g 220 g 320 g 520 g
    Minimum weighing value 0.001mg 0.001mg / 0.01 mg 0.01mg 0.1mg

    Repeatability/Std Dev

    		 0.0025mg (for 1g) 0.004mg (for 1g) / 0.01mg 0.03mg (for 100g) 0.1mg 0.2mg
    Linearity ±0.010mg ±0.010mg / ±0.02mg ±0.010mg ±0.2mg ±0.3mg ±0.5mg
    Stabilization Time (set to FAST) Approx. 10 sec. Approx. 10 / 8 sec. Approx. 8 sec. Approx. 3.5 sec.
    Sensitivity Drift (10°C-30°C) ±2ppm/°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), Specific gravity
    Counting mode Minimum unit mass = 0.1mg / 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 filters) 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 filter 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.

    Units of Measure

    MODEL BM-20 BM-22 BM-252 BM-200 BM-300 BM-500
    g Capacity 22 5.1 / 22 250 220 320 520 g
    Readability 0.000001 0.000001 / 0.00001 0.00001 0.0001
    mg Capacity 22000 5100 / 22000 250000 220000 320000 520000
    Readability 0.000001 0.001 / 0.01 0.01 0.1
    oz Capacity 0.776 0.18 / 0.776 8.82 7.76 11.29 18.34
    Readability 0.0000001 0.0000001 / 0.000001 0.000001 0.00001
    ozt Capacity 0.707 0.164 / 0.707 8.03 7.07 10.29 16.72
    Readability 0.0000001 0.0000001 / 0.000001 0.000001 0.00001
    ct Capacity 110 25.5 / 110 1250 110 1600 2600
    Readability 0.00001 0.00001 / 0.0001 0.0001 0.001
    mom Capacity 5.87 1.36 / 5.87 66.67 58.7 85.3 138.7
    Readability 0.000001 0.000001 / 0.00001 0.00001 0.0001
    dwt Capacity 14.15 3.28 / 14.15 160.7 141.5 205.8 334.4
    Readability 0.000001 0.000001 / 0.00001 0.00001 0.0001
    GN Capacity 339.5 78.71 / 339.5 3858 3395 4938 8024
    Readability 0.00002 0.00002 / 0.0002 0.0002 0.002