Solidifying Point Tester LLTT-A20

Labtron LLTT-A20 is designed with solidifying point determination. Adopting new type of refrigeration compressor, advanced temperature controller and special refrigeration baths. The instrument is designed and made as per ASTM D2386 “Test Methods for Solidifying Point of Petroleum Products”.

Measurement range
Temperature controlling accuracy ± 0.5 °C
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 730 x 580 x 520 mm
Inner Dimensions
Outer Dimensions
Total power consumption ≤ 1000 W
Heating power
Power supply AC 220 V ± 10 %, 50 Hz
  • High temperature solidifying point test
  • Two cooling baths in one chamber
  • Advanced temperature controller and special cooling bath
  • Simple and easy to use

It is widely used for oil exploiting, processing and using companies, relative colleges and universities, and R&D institutes. It is also suitable for determining the solidifying point of lubricating oil and dark petroleum products.

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 %
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
Cold trough One trough with two baths, temperatures in two baths are equal
Controlling temperature of cold trough Room temperature ~ (-70) °C
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
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 %
Ambient temperature ≤ 30 ℃
Refrigeration speed > 40 °C / 10 min
Repeatability for solidifying point ≤ 2 °C
Repeatability for pour point ≤ 3 °C
Chamber quantity 2 chambers
Chamber 01 temperature control Ambient to -51 ℃
Chamber 02 temperature control Ambient to -65 ℃
Temperature precision ±1°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 ℃
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 %
Thermometer 6 ℃ ~ 400 ℃
Scale Division 2 °C
Spout Aperture 0.6 ~ 0.8 mm
Ambient Temperature -10 ℃ ~ 50 ℃
Ambient Temperature 10 ℃ ~ 40 ℃
Relative Humidity ≤ 85 %
Temperature Measurement- Full Scale Ambient temperature to ~ 400 ℃
Temperature Measurement- Repeatability ≤ 4 ℃
Thermometer 0 ℃ ~ 360 °C
Scale Division 1 °C
Ambient Temperature ≤ 35 °C
Relative Humidity ≤ 85 %
Graduated flasks 100 ml
Scale division of graduated flask 1ml
Distillation flask 125 ml
Ambient temperature ≤ 35 °C
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 ℃
Heating power 2 kW
Cooling power 0.5 kW
Steam temperature 0 to 400℃
Oven temperature 0 to 500℃
 Temperature range Room temperature to 1000 ºC
Temperature resolution 0.1 ºC
Temperature fluctuation ±0.1 ºC
Heating rate 1 ~ 80 ºC / min
Potential measuring range (0 to ±1999.5) Mv
Intrinsic error 0.1 % ±0.5 mV
Input impedance Ri ≥1 × 1012 Ω
Burette capacity 10 mL