Solidifying Point Tester (Solidifying Point and Cold Filter Plugging Point) LLTT-A21

Labtron LLTT- A21 is manufactured with new-type compressor, advanced temperature controller and special cooling bath. The instrument is designed and made as per ASTM D2386 “Test Methods for Solidifying Point of Petroleum Products”, and ASTM D6371 “Test Methods for Cold Filter Plugging Point of Distillate Fuels”.

Measurement range
Temperature controlling accuracy
Refrigeration system New-type refrigeration compressor
Bath stirrer
Sample stirrer
Cold trough One trough with two baths, temperatures in two baths are equal
Controlling temperature of cold trough Room temperature ~ (-70) °C
Constant temperature bath Cubage
Constant temperature bath Types
Temperature Range
Temperature sensor
Stirring motor Power
Stirring motor Speed
Ambient temperature ≤ 30 ℃
Relative humidity ≤ 85 %
Refrigeration speed
Repeatability for solidifying point
Repeatability for pour point
Reproducibility
Pressure of cooling water
The lowest temperature
Sample cup Inner diameter
Sample cup Wall thickness
Sample cup Height
Pumping pressure
Dimensions
Inner Dimensions 560 x 380 x 250 mm
Outer Dimensions 730 x 580 x 520 mm
Total power consumption ≤ 1000 W
Heating power
Power supply
  • New-type compressor and progressed temperature controller
  • Workbench is made up of stainless steel to avoid corrosion
  • Unique cooling bath
  • Two cooling baths in one chamber with high efficiency and faster cooling rate
  • High temperature solidifying point

It is widely used in petroleum, chemical and research industry. It is also suitable to determine solidifying point and cold filter plugging point of petroleum products.

Capacity 20 L
Temperature range Ambient +5°C to 100°C
Precision ± 0.1℃
Stirring range 1200 r/min
Temperature controlling accuracy ± 0.5 °C
Refrigeration system New-type refrigeration compressor
Cold trough One trough with two baths, temperatures in two baths are equal
Controlling temperature of cold trough Room temperature ~ (-70) °C
Refrigeration system New-type refrigeration compressor
Controlling temperature of cold trough Cold trough I: RT ~ (-51) °C, ± 1°; Cold trough II:RT ~ (-80) °C, ± 1 °C
Ambient temperature ≤ 30 ℃
Relative humidity ≤ 85 %
Chamber quantity 2 chambers
Chamber 01 temperature control Ambient to -51 ℃
Chamber 02 temperature control Ambient to -65 ℃
Temperature precision ±1°C
Freezing point range -54°C to 2°C
Cold bath measurement temperature range -70° to 20°C
Temperature controlling accuracy ±0.5°C
Bath liquids stirring Electric
Refrigeration system New-type refrigeration compressor
Controlling temperature of cold trough Cold trough I: 0 °C, ± 0.5 °C; Cold trough II: 0 °C, (-17) °C, ± 0.5 °C; Cold trough III: (-17) °C, (-34) °C, ± 0.5 °C; Cold trough IV: (-70) °C, ± 0.5 °C
Ambient temperature ≤ 30 ℃
Relative humidity ≤ 85 %
Ambient temperature ≤ 30 ℃
Refrigeration speed > 40 °C / 10 min
Repeatability for solidifying point ≤ 2 °C
Repeatability for pour point ≤ 3 °C
Temperature controlling accuracy ± 0.5 ℃
Refrigeration system New-type refrigeration compressor
Cold trough Two holes in one trough, and same temperature
Ambient temperature ≤ 30 ℃
Ambient temperature (-10)℃ ~ 35 ℃
Relative humidity ≤ 85 %
Sample cup Inner diameter 31.0 ~ 32.0 mm
Sample cup Wall thickness 1.0 ~ 1.5 mm
Temperature controlling accuracy ± 0.5 °C
Refrigeration system New-type refrigeration compressor
Cold trough One trough with two baths, temperatures in two baths are equal
Controlling temperature of cold trough Room temperature ~ (-70) °C
Graduated flask 100 ml,50 ml
Conical flask 100ml
Separatory funnel 250ml
Ambient temperature (-10 )°C to 35 °C
Ambient temperature ≤ 35 °C
Relative humidity ≤ 85 %
Precision of titration tube Scale division is 0.02 ml
Total power consumption ≤ 1200 W
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
Measurement range 32 ℃ to 160 ℃
Ambient temperature 35 °C
Temperature resolution 0.01 ℃
Beaker volume 1000 mL
Ambient temperature Room temperature to 35 °C
Relative humidity ≤ 85 %
Timing range 1 s to 9 min 59 s
Temperature controlling range Room temperature to 99.9 °C
Ambient temperature Room temperature to 35 °C
Relative humidity ≤ 85 %
Temperature controlling range Room temperature to 99.9 °C
Temperature controlling accuracy ± 1 °C
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 controlling range 10 ℃ ~ 35 ℃
Temperature resolution 0.001 ℃
Mean value of heat capacity 15 kJ / K
Ambient temperature 20 ℃ ± 5 ℃
Thermometer 0 ℃ ~ 360 °C
Scale Division 1 °C
Ambient Temperature ≤ 35 °C
Relative Humidity ≤ 85 %
Ambient Temperature 10 ℃ ~ 40 ℃
Relative Humidity ≤ 85 %
Temperature Measurement- Full Scale Ambient temperature to ~ 400 ℃
Temperature Measurement- Repeatability ≤ 4 ℃
Thermometer 6 ℃ ~ 400 ℃
Scale Division 2 °C
Spout Aperture 0.6 ~ 0.8 mm
Ambient Temperature -10 ℃ ~ 50 ℃