Freezing Point Tester LLTT-A11

Freezing Point Tester LLTT-A11 is an advanced, automated and multipurpose freezing point tester, designed according to ASTM D1177,ASTM D2386 Standard Test Method for Freezing Point of Engine Coolant. Features freezing point range of -54°C to 2°C with cold bath measurement temperature range of -70° to 20°C, for freezing test point requirement. With floor-standing design, stainless-steel cold bath and double vacuum glass observation window, this freezing point tester is adopted with high precision temperature control technology, offers continuously adjustable mechanical sample stirring and electric bath liquid stirring. Equipped with imported refrigerator compressor comprised refrigeration system, this freezing point tester offers to measure jet fuel freezing point and engine coolant freezing point with automatic judging of freezing point temperature and high precision.

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
Bath liquids stirring range 1200 r/min
Sample stirring Mechanical stirring, continuously adjustable
Sample stirring range 0 to 120 r/min
Ambient temperature ≤ 30°C
Relative humidity ≤ 85%
Working bath material Stainless steel
Observing window Double vacuum glass observing window
Refrigerator system With imported refrigerator compressor
Freezing point temperature judging Automatic
Power supply AC 220 V ± 10%, 50/60 Hz
Power 2000 W
Dimension (W×D×H) 560×550×810 mm
Net weight 49 kg
  • An advanced, automated and multipurpose freezing point tester
  • Designed according to ASTM D1177,ASTM D2386 Standard Test Method
  • Continuously adjustable mechanical sample stirring and electric bath liquid stirring
  • Freezing point range of -54°C to 2°C
  • Cold bath measurement temperature range of -70° to 20°C
  • Floor-standing design with stainless steel work table-board
  • Stainless-steel cold bath with double vacuum glass observation window
  • Adopted with high precision temperature control technology
  • Can measure jet fuel freezing point and engine coolant freezing point
  • Automatic judging of freezing point temperature
  • Refrigeration system with imported refrigerator compressor
  • Fast cooling with high precision

Freezing Point Tester is used to precisely determine the freezing point of aviation fuels, engine coolants, antifreeze products, brake fluids and other petroleum products.

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: 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
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 ℃
Refrigeration system New-type refrigeration compressor
Cold trough Two holes in one trough, and same temperature
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
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
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
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
Ambient temperature ≤ 35 °C
Relative humidity ≤ 85 %
Temperature range 5 °C ~ 110 °C, Each scale division is 0.5 °C; 20 °C ~ 150 °C, Each scale division is 1.0 °C; 90 °C ~ 370 °C, Each scale division is 2 °C
Aperture of ignition device 0.8 mm
Ambient temperature 10 °C ~ 40 ℃
Relative humidity ≤ 80 %
Ignition Mode electron igniter / gas flame
Temperature range Room Temperature ~ 300 ℃
Ambient temperature 10 °C ~ 40 °C
Relative humidity ≤ 80 %
Measurement Range Ambient Temperature ~ 250 °C
Flash Point Lower than 104 °C , error is 2 °C; Higher than 104 °C , error is 6 °C
Test bomb Two samples or a group of parallel samples
Bath temperature 37.8 °C
Temperature controlling accuracy 0.1 °C
Dimensions 500 × 560 × 680 mm, 950 × 540 × 720 mm
Operation temperature of water bath RT ~ 90 °C
Temperature controlling accuracy ± 0.1 °C
Dimensions 550 × 520 × 102 mm
Pressure meter accuracy ± 0.4 % kPa
Electric Muffle Furnace
Controlled temperature 775 ±25 ℃
Temperature rising time of empty chamber ≤ 50 min
Furnace temperature uniformity ≤ 15℃
Internal dimension 200 × 120 × 80 mm
External dimension 490 × 490 × 450 mm
Power consumption 2.5 kW
Power supply AC 220V ±10%, 50 Hz
Net weight 35 kg
Temperature controller
Maximum control temperature 1200 ℃
Dimension 500 × 300 × 235 mm
Power consumption 5000 W
Power supply AC 220±10% V, 50Hz
Net weight 5 kg
Electric heating plate
Heating power (1 to 6) grades, continuously adjustable
Temperature 400℃
Diameter of heating plate Φ 180 mm
Dimension 280 × 250 × 90 mm
Power consumption 2000 W
Power supply AC 220±10%V, 50Hz
Temperature controlling range 10 ℃ ~ 35 ℃
Temperature resolution 0.001 ℃
Mean value of heat capacity 15 kJ / K
Ambient temperature 20 ℃ ± 5 ℃
Temperature measurement range 10 ~ 35 ℃
Repeatability error ≤ 0.2 % (Grade C)
Endured pressure in oxygen bomb 20 MPa
Operation environment temperature 15 ~ 28 ℃
Heat capacity 14000 ~ 15000 J / K
Temperature measurement range 10 ~ 35 ℃
Repeatability error ≤ 0.2 % (Grade C)
Endured pressure in oxygen bomb 20 MPa
Capacity 2.0 kVA
Speed of voltage increase 2 k V/ s
Voltage inspection accuracy 0.01
Breakdown sensitivity < 0.1 kV