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)
Temperature Range Ambient to 100°C
Temperature Precision ± 0.1°C
Air Flow 94 mL ± 5 mL/min, with flowmeters
Timing Unit 0 to 99 min 59 s, resolution 1 s
Porcelain crucible 30 ml
Inner iron crucible 75 ml
Outer iron crucible 190 ml
Burner Mig Burner
Coking furnace Metal furnace
Heating mode Electric heating
Test unit 5 units
Temperature range Ambient to 550°C
Bath type Four holes with a furnace
Heating type Electric resistance furnace
Temperature controlling range 0 ~ 520 °C
Temperature controlling accuracy ± 5 °C
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
Bath type Oil bath
Bath capacity 5000 ml ± 50 ml
Ambient temperature Room temperature to 35 °C
Relative humidity ≤ 85 %
Measurement range Room temperature ~ 150°C
Stirring speed 0 ~ 1200 r / min
Heating power 25 W
Interior Dimension 360 × 250 × 545 mm
Temperature controlling accuracy ≤ 0.5 ℃
Temperature controlling range Room temperature ~ 200 ℃
Power supply for illumination 5 V
Power of motor 2 kW
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