Multifunctional Low Temperature Tester LLTT-A16

Labtron LLTT- A16 is a multifunctional instrument with LCD screen, four chambers, each chamber has two cooling bath. The instrument is designed and made as per ASTM D2386 “Test Methods for Solidifying Point of Petroleum Products”, ASTM D97 “Test Methods for Pour Point of Petroleum Products”, ASTM D2500 “Test Methods for Cloud 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
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
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 930 x 570 x 108 mm
Inner Dimensions
Outer Dimensions
Total power consumption ≤ 1700 W
Heating power
Power supply AC 220 V ± 10 %, 50 Hz;
  • LCD display
  • Convenient to move
  • No need to use cooling liquid
  • Easy to use and high efficiency

It can be mainly used in petroleum, chemical industry and research field. It is suitable to determine solidifying point, pour point, cloud point and cold filter plugging point.

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
Chamber quantity 2 chambers
Chamber 01 temperature control Ambient to -51 ℃
Chamber 02 temperature control Ambient to -65 ℃
Temperature precision ±1°C
Ambient temperature ≤ 30 ℃
Refrigeration speed > 40 °C / 10 min
Repeatability for solidifying point ≤ 2 °C
Repeatability for pour point ≤ 3 °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 ℃
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 %
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
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
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)
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
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
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 %
Thermometer 6 ℃ ~ 400 ℃
Scale Division 2 °C
Spout Aperture 0.6 ~ 0.8 mm
Ambient Temperature -10 ℃ ~ 50 ℃
Measurement range Room temperature ~ 150°C
Stirring speed 0 ~ 1200 r / min
Heating power 25 W
Interior Dimension 360 × 250 × 545 mm
Temperature controlling accuracy ≤ 0.5 ℃
Temperature controlling range Room temperature ~ 200 ℃
Power supply for illumination 5 V
Power of motor 2 kW
Graduated Flask 100 ml
Standard Water Value 51 ± 1 s
Temperature Range 0 ~ 100 °C
Temperature Controlling Accuracy ± 0.1 °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