Acid Number Tester LAAT-A12 is automated and controlled by microprocessor unit. It offers 0 to 1800.0 mV potential measurement range and ≥0.05 mg KOH/g acid number measurement range. It works on potentiometric titration principle. Recording the titration of the electrode potential and the titration volume, find out the equivalence point and corresponding titrant volume, and thus obtained the sample pH value. This unit can accurately detect the acid value of transformer oil, turbine oil, anti-oil, diesel, gasoline and other petroleum products. It offers Standard Determination of acid number, Determination of acid number in transformer and turbine oils in service (BTB), ASTM D664-2011).
| Measurement range | ≥0.05 mg KOH/g |
| Potential measurement range | 0 to 1800.0 mV |
| Burette volume | 10 mL |
| Minimum titration volume | 0.001 ml |
| Burette precision | ±0.1 %FS |
| Precision | Fit or above the relative standards |
| Ambient temperature | 5℃ to 35℃ |
| Relative humidity | Less 80 % |
| Power supply | AC (220±11)V , 50±1 Hz |
| Dimension | About 350 × 280 ×178 mm |
| Net weight | Main unit 14 kg |
| Accessories no. | Name | Qty. |
|---|---|---|
| 1 | Magnetic Agitator | 1 pcs |
| 2 | Agitator Strut | 1 pcs |
| 3 | Electrode holder | 1 pcs |
| 4 | Magnetic rotor | 4 pcs |
| 5 | RS232 serial communication line | 1 pcs |
| 6 | Short-circuit plug | 2 pcs |
| 7 | Fuse (2A) | 2 pcs |
| 8 | 231 glass pH electrode | 2 pcs |
| 9 | 802 saturated calomel electrode | 2 pcs |
| 10 | Titration exchange unit (10mL) | 1 pcs |
| 11 | Agitator stabilized voltage supply (5V) | 1 pcs |
| 12 | 5ml(or 10ml) syringe | 1 pcs |
| 13 | Special size 9 injection needle | 1 pcs |
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