Dark Petroleum Products Sulphur Content Tester (Tubular Oven Method) LST-A11

Labtron LST-A11 is equipped with intelligent controlling system to control determination time, oven movement and alarm system automatically. It is designed according to International Standard ASTM D1151 “Test Methods for Sulfur Content of Dark Petroleum Products”(Tubular Oven Methods).

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
Max. Temperature of oven 950 °C
Sample quantity
Measurement time
Measurement range
Repeatability
Reproducibility
Temperature
Relative humidity
Power supply AC 220 V ± 10 %, 50 Hz
Rated power
Dimensions 720 x 620 x 630 mm, 560 x 410 x 670 mm, 820 x 500 x 290 mm
Weight
  • Oven temperature controller
  • Highly efficient, accurate and reliable
  • Determination for 2 samples at the same time.

It is used to determine sulfur content of dark petroleum products

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)
Power supply AC 220 V ± 10 %, 50 Hz
Temperature controlling range in water bath RT ~ 90 ℃ ± 5 ℃
Cooling bath temperature (-35) ℃ ± 1 ℃
Evaporation temperature 35 ℃ ± 1 ℃
Dimension 390 x 260 x 590 mm
Total power consumption ≤ 1200 W
Power supply AC 220 V ± 10 %, 50 Hz
Heating power of water bath 1000 W
Power supply AC 220 V ± 5 % , 50Hz
Measurement range 0 ~ 75 kV
Voltage rising rate 3 kV ± 10 % / s
Distance between electrodes 2.5 mm
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 bath φ260 × 130 mm
Holes for testing 5 pieces
Size of holes for testing cylinder φ51 × 70 mm
Working temperature 160 ℃ ~ 165℃
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
Electric Muffle Furnace
Controlled temperature 775 ±25 ℃
Temperature rising time of empty chamber ≤ 50 min
Furnace temperature uniformity ≤ 15℃
Internal dimension 200 × 120 × 80 mm
External dimension 490 × 490 × 450 mm
Power consumption 2.5 kW
Power supply AC 220V ±10%, 50 Hz
Net weight 35 kg
Temperature controller
Maximum control temperature 1200 ℃
Dimension 500 × 300 × 235 mm
Power consumption 5000 W
Power supply AC 220±10% V, 50Hz
Net weight 5 kg
Electric heating plate
Heating power (1 to 6) grades, continuously adjustable
Temperature 400℃
Diameter of heating plate Φ 180 mm
Dimension 280 × 250 × 90 mm
Power consumption 2000 W
Power supply AC 220±10%V, 50Hz
Graduated flasks 100 ml
Scale division of graduated flask 1ml
Distillation flask 125 ml
Ambient temperature ≤ 35 °C
Heating power 2 kW
Cooling power 0.5 kW
Steam temperature 0 to 400℃
Oven temperature 0 to 500℃
Ambient temperature -10°C to 35°C
Relative humidity ≤ 85 %
Thermometer Each one for 70°C to 90°C , 100°C to120°C , and 125°C to 150°C
Scale division 0.1 ℃
Samples 2
Oil bath cubage 30 L
Angle between bomb and water surface 30 °
Speed of rotary assembly 100 ± 5 RPM
Samples 8
Temperature 100 ℃
Temperature controlling accuracy 0.1 ℃
Flow meter 3 ± 0.3 L / H oxygen
Samples 6
Temperature controlling mode Automatic digital temperature
Temperature controlling range Room temperature ~ 160 °C
Temperature controlling accuracy ± 0.2 °C