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.

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 (-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 ℃
Refrigeration system New-type refrigeration compressor
Cold trough Two holes in one trough, and same temperature
Ambient temperature ≤ 30 ℃
Ambient temperature ≤ 30 ℃
Refrigeration speed > 40 °C / 10 min
Repeatability for solidifying point ≤ 2 °C
Repeatability for pour point ≤ 3 °C
Capacity 20 L
Temperature range Ambient +5°C to 100°C
Precision ± 0.1℃
Stirring range 1200 r/min
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 ℃
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 °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 200 ± 0.2 ml (50 ± 0.2 ml for bituminous materials)
Standard Water Value 51 ± 1 s
Temperature Range 0 ~ 100 °C
Ambient Temperature 10 °C ~ 40 °C
Graduated Flask 200 ± 0.2 ml
Standard Water Value 51 ± 1 s
Temperature Range 0 ~ 100 °C
Temperature Controlling Accuracy ± 0.2 °C
Graduated Flask 100 ml
Standard Water Value 51 ± 1 s
Temperature Range 0 ~ 100 °C
Temperature Controlling Accuracy ± 0.1 °C
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
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 Room temperature to 35 °C
Relative humidity ≤ 85 %
Temperature controlling range Room temperature to 99.9 °C
Temperature controlling accuracy ± 1 °C
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
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
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℃
Bath type Oil bath
Bath capacity 5000 ml ± 50 ml
Ambient temperature Room temperature to 35 °C
Relative humidity ≤ 85 %