| Catalog No |
B121-40 |
B121-41 |
B121-42 |
B121-43 |
B121-44 |
B121-45 |
| Model No |
BM-20 |
BM-22 |
BM-252 |
BM-200 |
BM-300 |
BM-500 |
| Weighing capacity |
22g |
5.1g / 22g1 |
250g |
220g |
320g |
520g |
| Minimum weighing value |
0.001mg |
0.001mg / 0.01mg |
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 = 10.0mg / 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 |
25mm (50mm, 95mm for weighing filters) |
90mm |
| Power consumption |
Approx. 30 VA (supplied by the AC adapter) |
| External dimensions / Weight |
259 (W) x 466 (D) x 326 (H) mm / Approx. 10kg |
| 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. |