Acid Number and Acidity Tester LAAT-A11

Labtron LAAT-A11 is designed as per ASTM D664-11a “Test Methods for Acid Number of Petroleum Products” and “Test Methods for Acidity of Gasoline, Kerosene, and Diesel oil”.

Graduated flask
Conical flask
Separatory funnel
Volumetric analysis
Automatic acid titration
Automatic potential control
Measurement range
Potential measurement range
Burette volume
Minimum titration volume
Burette precision
Precision
Ambient temperature ≤ 35 °C
Relative humidity ≤ 85 %
Temperature compensation
Preset adjustment range of end point
Preset controlling range for titration
Precision of titration tube Scale division is 0.02 ml
Test tube
Acidometer Full scale
Acidometer Accuracy
Heating power
Total power consumption ≤ 1200 W
Power supply AC 220 V ± 10 %, 50 Hz
Dimension 830 x 290 x 370 mm
Net weight
  • Heating power can be continuously adjusted
  • Easy installation and operation
  • Compact in size

It is used to determine acidity of gasoline, kerosene, and diesel oil, which don’t add ethyl liquids and acid value of petroleum products.

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
Graduated flask 100 ml,50 ml
Conical flask 100ml
Separatory funnel 250ml
Ambient temperature (-10 )°C to 35 °C
Volumetric analysis Titration condensation: 0.1 N;<br> Controlling accuracy: ≤ ± 0.02 ml
Automatic acid titration Titration condensation: 0.1 N;<br> Controlling accuracy: ≤ ± 0.1 pH
Automatic potential control Titration condensation: 0.1 N;<br> Controlling accuracy: ≤ 10 mV
Ambient temperature 0 ~ 35 ℃
Air flow rate Not less than 150 L / h
Max. Preset time 99 min 59 s (100 min)
Chamber diameter of oven Φ22 mm
Heating power of oven 1400 W × 2
Sample quantity 2 to 3 ml (it is equal to sample depth of 3 mm to 4 mm)
Measurement time 60, 120, 240, 300, and 600 s at random
Measurement range 7 ppm to 5 %
Repeatability < 0.029 (S + 0.6)
Measurement item motor gasoline and diesel
measurement unit of octane is ON 40 to 120
Permissible error of octane ± 0.5 max
Fluctuate range of octane ± 0.2 max
 Measuring Range For Aviation Gasoline 86.0 to 105.0/MON
 Measuring Range For Gasoline For Motor Vehicles National standard: 65.0 to 110.0/RON<br/> National-V standard: 70 to 115.0/RON<br/> Blended gasoline: 75.0 to 120.0/RON<br/> Light gasoline: 50.0 to 85.0 /MON<br/> Isomerized gasoline: 85.0 to 120.0/RON<br/> Arene gasoline: 90.0 to 120.0/RON
 Measuring Range For Ethanol E93: 92.0 to 95.0/RON<br/> E97: 95.0 to 99.0/RON<br/> Judgement: 60.0 to 120.0/RON
Measuring Range For Automobile Diesel Fuels Cetane number: 25 to 75/CN<br/> Cetane index: 20 to 80/CI
Temperature measurement range 10 ~ 35 ℃
Repeatability error ≤ 0.2 % (Grade C)
Endured pressure in oxygen bomb 20 MPa
Operation environment temperature 15 ~ 28 ℃
Temperature controlling range 10 ℃ ~ 35 ℃
Temperature resolution 0.001 ℃
Mean value of heat capacity 15 kJ / K
Ambient temperature 20 ℃ ± 5 ℃
Heat capacity 14000 ~ 15000 J / K
Temperature measurement range 10 ~ 35 ℃
Repeatability error ≤ 0.2 % (Grade C)
Endured pressure in oxygen bomb 20 MPa
Beaker quantity 600 ml
Ambient temperature (-10) °C ~ 40 °C
Relative humidity ≤ 85 %
Thermometer Measurement range (-5) °C ~ 300 °C
Ambient temperature ≤ 35 ℃
Relative humidity ≤ 85 %
Heating power of electric furnace 250 W × 2
Total power consumption ≤ 700 W
Evaporation bath type and size Aluminum bath φ260 × 130 mm
Holes for testing 5 pieces
Size of holes for testing cylinder φ51 × 70 mm
Working temperature 160 ℃ ~ 165℃
Bath type Oil bath
Bath capacity 5000 ml ± 50 ml
Ambient temperature Room temperature to 35 °C
Relative humidity ≤ 85 %
Evaporation bath type and size Aluminum block bath, φ260 × 130 mm
Holes for testing 3 pieces
Size of holes for testing cylinder φ51 × 70 mm
Flow rate display Flow meter