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.

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
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
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
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
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 ℃
Refrigeration system New-type refrigeration compressor
Cold trough Two holes in one trough, and same temperature
Ambient temperature ≤ 30 ℃
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
Vessel Volume  4000 ml × 2
Power of Vacuum pump 160 W
Negative power 3.7 kPa(27.75 mmHg)
Power of shaking machine 30 W
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 %
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
Calorimeter type Isoperibol
Temperature range 5 to 40°C
Measurement range 5 to 40 MJ/ kg
Operation Mode The outer barrel temperature is constant
Calorimeter type Isoperibol
Oxygen filling Fully automatic oxygen filling & releasing, fully automatic bomb raising & lowering
Bomb volume 250 ml
Analysis time < 8 min full test process: <10 min
Calorimeter type Isoperibol
Temperature range 5 to 40°C
Measurement range 5 to 40 MJ/ kg
Operation Mode A. Outer barrel temperature follows room temperature change mode Or B. Outer barrel temperature constant mode
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