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 | Ãâ€Å¡Ãƒâ€šÃ‚±0.010mg | Ãâ€Å¡Ãƒâ€šÃ‚±0.010mg / Ãâ€Å¡Ãƒâ€šÃ‚±0.02mg | Ãâ€Å¡Ãƒâ€šÃ‚±0.010mg | Ãâ€Å¡Ãƒâ€šÃ‚±0.2mg | Ãâ€Å¡Ãƒâ€šÃ‚±0.3mg | Ãâ€Å¡Ãƒâ€šÃ‚±0.5mg |
Stabilization Time (set to FAST) | Approx. 10 sec. | Approx. 10 / 8 sec. | Approx. 8 sec. | Approx. 3.5 sec. |
Sensitivity Drift (10Ãâ€Å¡Ãƒâ€šÃ‚°C-30Ãâ€Å¡Ãƒâ€šÃ‚°C) | Ãâ€Å¡Ãƒâ€šÃ‚±2ppm/Ãâ€Å¡Ãƒâ€šÃ‚°C (when automatic self calibration is not used) |
Operating temperature | 5Ãâ€Å¡Ãƒâ€šÃ‚°C to 40Ãâ€Å¡Ãƒâ€šÃ‚°C (41Ãâ€Å¡Ãƒâ€šÃ‚°F to 104Ãâ€Å¡Ãƒâ€šÃ‚°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. |
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. |