Solidifying Point Tester ('-20°C +80°C') LLTT-A22

Labtron LLTT-A22 is manufactured with new-type compressor and has two cooling baths in one chamber. The instrument is specially designed and made as per ASTM D2386 Standard Test Method 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 20 °C ~ 80 °C
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
  • Integrated design for low temperature tester
  • Advance in design and reasonable in structure
  • Special temperature controlling techniques
  • Solidifying point determination from (-20) °C to 80 °C
  • Digital temperature system
  • High precision temperature sensor
  • Spray plastics for instrument shell process

It is widely used in petroleum, chemical and research industry.

Capacity 20 L
Temperature range Ambient +5°C to 100°C
Precision ± 0.1℃
Stirring range 1200 r/min
Chamber quantity 2 chambers
Chamber 01 temperature control Ambient to -51 ℃
Chamber 02 temperature control Ambient to -65 ℃
Temperature precision ±1°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
Ambient temperature ≤ 30 ℃
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
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
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 %
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 Range ≤ 35°C
Relative Humidity ≤ 85%
Heating Mantle Cap Power 1000 W
Sample Determination 1 at a time
Ambient Temperature 10°C to 35°C
Measurement Range 0 to 100 mg
Resolution 0.1 µg
Max. Electrolysis Speed 40 µg /s
Ambient Temperature Range ≤ 35°C
Relative Humidity ≤ 85%
Heating Mantle Cap Power 1000 W × 2
Sample Determination 2 at a time
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
Samples 2
Oil bath cubage 30 L
Angle between bomb and water surface 30 °
Speed of rotary assembly 100 ± 5 RPM
Samples 6
Temperature controlling mode Automatic digital temperature
Temperature controlling range Room temperature ~ 160 °C
Temperature controlling accuracy ± 0.2 °C
Samples 8
Temperature 100 ℃
Temperature controlling accuracy 0.1 ℃
Flow meter 3 ± 0.3 L / H oxygen
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
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