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)
Measurement range 32 ℃ to 160 ℃
Ambient temperature 35 °C
Temperature resolution 0.01 ℃
Beaker volume 1000 mL
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
Temperature measurement range 10 ~ 35 ℃
Repeatability error ≤ 0.2 % (Grade C)
Endured pressure in oxygen bomb 20 MPa
Operation environment temperature 15 ~ 28 ℃
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
Ambient temperature 10 °C ~ 40 ℃
Relative humidity ≤ 80 %
Ignition Mode electron igniter / gas flame
Temperature range Room Temperature ~ 300 ℃
Ambient temperature 10 °C ~ 40 °C
Relative humidity ≤ 80 %
Measurement Range Ambient Temperature ~ 250 °C
Flash Point Lower than 104 °C , error is 2 °C; Higher than 104 °C , error is 6 °C
Ambient temperature ≤ 35 °C
Relative humidity ≤ 85 %
Temperature range 5 °C ~ 110 °C, Each scale division is 0.5 °C; 20 °C ~ 150 °C, Each scale division is 1.0 °C; 90 °C ~ 370 °C, Each scale division is 2 °C
Aperture of ignition device 0.8 mm
Cubage of bath Ф300 × 380 mm
Temperature controlling range 0 °C ~ 100 °C
Temperature controlling accuracy ± 0.2 °C
Temperature sensor Industrial platinum resistance, Pt100