Water Soluble Acid and Alkali Tester LD-LAAT-A10

Graduated flask : 100 ml，50 ml

Conical flask : 100ml

Separatory funnel : 250ml

Ambient temperature : (-10 )°C to 35 °C

Acid Number and Acidity Tester LD-LAAT-A11

Ambient temperature : ≤ 35 °C

Relative humidity : ≤ 85 %

Precision of titration tube : Scale division is 0.02 ml

Total power consumption : ≤ 1200 W

Acid Number Tester LD-LAAT-A12

Measurement range : 0.001 to 0.999 mg KOH / g

Resolution : 0.001 mg KOH / g

Repeatability : 0.004 mg KOH / g

Test accuracy : Acid number < 0.1: ± 0.005 mg KOH / g; Acid number ≥ 0.1: 5 % of displayed value

Base Number Tester LD-LAAT-A13

Volumetric analysis : Titration condensation: 0.1 N; Controlling accuracy: ≤ ± 0.02 ml

Automatic acid titration : Titration condensation: 0.1 N; Controlling accuracy: ≤ ± 0.1 pH

Automatic potential control : Titration condensation: 0.1 N; Controlling accuracy: ≤ 10 mV

Ambient temperature : 0 ~ 35 ℃

Automatic Bomb Calorimeter LD-LABC-A10

Calorimeter type : Isoperibol

Temperature range : 5 to 40°C

Measurement range : 5 to 40 MJ/ kg

Operation Mode : The outer barrel temperature is constant

Automatic Bomb Calorimeter LD-LABC-A11

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

Automatic Bomb Calorimeter LD-LABC-B10

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:

Automatic Bomb Calorimeter LD-LABC-B11

Calorimeter type : Isoperibol

Oxygen filling : Semi-automatic

Bomb volume : 282 ml

Analysis time : 15 to 25 min

Automatic Dielectric Tester LD-LADT-A10

Capacity : 2.0 kVA

Speed of voltage increase : 2 k V/ s

Voltage inspection accuracy : 0.01

Breakdown sensitivity : < 0.1 kV

Automatic Softening Point Tester LD-LSPT-A10

Measurement range : 32 ℃ to 160 ℃

Ambient temperature : 35 °C

Temperature resolution : 0.01 ℃

Beaker volume : 1000 mL

Automatic Tag Closed Flash Point Tester LD-LACF-A10

Experimental temperature range : -50 to 70°C

Test sample volume : 50 ml

Ambient temperature range : 10 to 40°C

Humidity : ≤ 85%

Automatic Thermogravimetric Analyzer LD-LTGA-A10

 Temperature range : Room temperature to 1000 ºC

Temperature resolution : 0.1 ºC

Temperature fluctuation : ±0.1 ºC

Heating rate : 1 ~ 80 ºC / min

Automatic Thermogravimetric Analyzer LD-LTGA-A11

Temperature Range : Room temperature to 1150 °C

Temperature Resolution : 0.01°C

Temperature Fluctuation : ±0.01°C

Heating Rate : 0.1 to 100 °C / min

PMCC Flash Point Tester LD-LCFP-A10

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

Automatic PMCC Flash Point Tester LD-LCFP-A11

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

Automatic PMCC Flash Point Tester LD-LCFP-A13

Ambient temperature : 10 °C ~ 40 ℃

Relative humidity : ≤ 80 %

Ignition Mode : electron igniter / gas flame

Temperature range : Room Temperature ~ 300 ℃

Petroleum Oils and Synthetic Fluids Demulsibility Characteristics Tester LD-LDCT-A10

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

Petroleum Oils and Synthetic Fluids Demulsibility Characteristics Tester LD-LDCT-A11

Ambient temperature : Room temperature to 35 °C

Relative humidity : ≤ 85 %

Temperature controlling range : Room temperature to 99.9 °C

Temperature controlling accuracy : ± 1 °C

Density Tester LD-LDMT-A10

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

Automatic Distillation Apparatus LD-LADA-A10

Heating power : 2 kW

Cooling power : 0.5 kW

Steam temperature : 0 to 400℃

Oven temperature : 0 to 500℃

Distillation Tester LD-LDT-A10

Graduated flasks : 10 ml and 100 ml

Scale division of graduated flask : 10 ml is 0.1 ml and 100 ml is 1 ml

Ambient temperature : (-10) °C ~ 35 °C

Relative humidity : ≤ 85 %

Benzene Distillation Tester (Low Temperature) LD-LDT-A11

Ambient temperature : (-10) °C ~ 35 ℃

Relative humidity : ≤ 85 %

Thermometer : Each one for 70 °C ~ 90 ℃, 100 °C ~ 120 ℃, and 125 °C ~ 150 ℃

Scale division : 0.1 ℃

Distillation Tester LD-LDT-A12

Graduated flasks : 100 ml

Scale division of graduated flask : 1ml

Outer diameter of distillation flask : φ65

Refrigeration tube : φ14

Vacuum Distillation Tester LD-LDT-A13

Ambient temperature : 5 °C ~ 35 ℃

Relative humidity : ≤ 85 %

Cubage of buffer vessel : 1000 ml

Max. Residual pressure : ≤ 2 mm Hg

Distillation Tester (Front Type) LD-LDT-A14

Distillation flask : 125 mL

Ambient temperature : Room temperature to 35 °C

Relative humidity : ≤ 85 %

Thermometer : (-2 )°C ~ 300 ℃ and (-2) °C ~ 400 ℃

Distillation Tester (Double Units) LD-LDT-A15

Graduated flasks : 100 ml

Scale division of graduated flask : 1ml

Distillation flask : 125 ml

Ambient temperature : ≤ 35 °C

Distillation Tester (low temperature Double units) LD-LDT-A16

Graduated flasks : 100 ml

Distillation flask : 125 ml

Ambient temperature : ≤ 35 °C

Relative humidity : ≤ 85 %

Distillation Tester (Low Temperature) LD-LDT-A17

Graduated flasks : 100 ml

Distillation flask : 125 mL

Ambient temperature : ≤ 30 °C

Relative humidity : ≤ 85 %

Dropping Point Tester (Oil Bath) LD-LDPT-A10

Beaker quantity : 600 ml

Ambient temperature : (-10) °C ~ 40 °C

Relative humidity : ≤ 85 %

Thermometer Measurement range : (-5) °C ~ 300 °C

Dropping Point Tester (Air bath) LD-LDPT-A11

Ambient temperature : ≤ 35 ℃

Relative humidity : ≤ 85 %

Heating power of electric furnace : 250 W × 2

Total power consumption : ≤ 700 W

Engler Viscometer LD-LEV-A10

Graduated Flask : 200 ± 0.2 ml

Standard Water Value : 51 ± 1 s

Temperature Range : 0 ~ 100 °C

Temperature Controlling Accuracy : ± 0.2 °C

Engler Viscometer LD-LEV-A11

Graduated Flask : 100 ml

Standard Water Value : 51 ± 1 s

Temperature Range : 0 ~ 100 °C

Temperature Controlling Accuracy : ± 0.1 °C

Engler Viscometer LD-LEV-B10

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

Existent Gum Tester LD-LEGT-B30

Bath type : Oil bath

Bath capacity : 5000 ml ± 50 ml

Ambient temperature : Room temperature to 35 °C

Relative humidity : ≤ 85 %

Existent Gum Tester LEGT- B31

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

Existent Gum Tester LEGT- B32

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℃

Kinematics Viscometer LD-LKV-A10

Ambient temperature : ~ 35 °C

Relative humidity : ≤ 85 %

Capillary viscometer : 8 pieces

Stirring motor : 6 W, 1200 rpm

Kinematics Viscometer LD-LKV-A11

Ambient temperature : (-10) °C ~ 35 °C

Relative humidity : ≤ 85 %

Capillary viscometer : 11 pieces

Stirring motor : 6 W, 1200 rpm

Kinematics Viscometer LD-LKV-A12

Ambient temperature : (-10) °C ~ 35 °C

Relative humidity : ≤ 85 %

Capillary viscometer : 11 pieces

Stirring motor : 6 W, 1200 rpm

Kinematics Viscometer LD-LKV-A13

Ambient temperature : (-10) °C ~ 35 °C

Relative humidity : ≤ 85 %

Capillary viscometer : 7 pieces of Cannon-Fenske reserve-flow capillary viscometer tubes in a group

Stirring motor : 6 W, 1200 rpm

Low Temperature Kinematic Viscosity Tester LD-LKV-A14

Ambient temperature : ≤ 30 °C

Relative humidity : ≤ 85 %

Capillary viscometer : 13 pieces

Stirring motor : 6 W, 1200 rpm

Kinematics Viscometer LD-LKV-A15

Ambient temperature : (-10) °C ~ 35 °C

Relative humidity : ≤ 85 %

Capillary viscometer : 11 pieces

Stirring motor : 6 W, 1200 rpm

Kinematics Viscometer LD-LKV-A16

Ambient temperature : 0 ~ 40 ºC

Relative humidity : 20 ~ 90 %, RH while 40 ℃

Temperature controlling accuracy : ± 0.1 °C

Timing range : 0.0 s ~ 9999.9 s

Solidifying Point Constant Temperature Water Bath LD-LLTT-A10

Measurement range : RT ~ 100℃

Temperature controlling accuracy : ±0.1℃

Constant temperature bath Cubage : 20 L

Constant temperature bath Types : Two layers cylinder

Freezing Point Tester LD-LLTT-A11

Temperature controlling accuracy : ±0.5°C

Refrigeration system : New type of refrigeration compressor

Bath stirrer : 6 W, 1200 rpm

Sample stirrer : By an electromagnetic stirrer; 0 ~ 120 rpm

Distillate Fuel Cold Filter Plugging Point Filter LD-LLTT-A12

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

Solidifying Point Tester LD-LLTT-A13

Temperature controlling accuracy : ± 0.5 ℃

Refrigeration system : New-type refrigeration compressor

Cold trough : Two holes in one trough, and same temperature

Ambient temperature : ≤ 30 ℃

Pour and Cloud Point Tester LD-LLTT-A14

Refrigeration system : New-type refrigeration compressor

Controlling temperature of cold trough : Cold trough I: RT ~ (-51) °C, ± 1°; Cold trough II:RT~ (-70) °C, ± 1 °C

Ambient temperature : ≤ 30 ℃

Relative humidity : ≤ 85 %

Solidifying Point and Cold Filter Plugging Point Tester LD-LLTT-A15

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 %

Multifunctional Low Temperature Tester LD-LLTT-A16

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: (-7

Ambient temperature : ≤ 30 ℃

Relative humidity : ≤ 85 %

Solidifying Point Tester LD-LLTT-A20

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

Solidifying Point Tester (Solidifying Point and Cold Filter Plugging Point) LD-LLTT-A21

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 ℃

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

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

Automatic Pour Point Tester LD-LLTT-A23

Ambient temperature : ≤ 30 ℃

Refrigeration speed : > 40 °C / 10 min

Repeatability for solidifying point : ≤ 2 °C

Repeatability for pour point : ≤ 3 °C

Mercaptan Sulfur Tester LD-LMST-A10

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

Portable Octane Number and Cetane Meter LD-LOCT-A20

Measurement item : motor gasoline and diesel

measurement unit of octane is ON : 40 to 120

Permissible error of octane : ± 0.5 max

Fluctuate range of octane : ± 0.2 max

Octane Number and Cetane Number Tester LD-LOCT-B10

Octane number range : 40 to 125 ON

Maximum error limit octane number : ±0.5 ON

Maximum parallel ON difference : ±0.2

Antiknock range : 0.5 to 15 %

Open Cup Flash Point Tester LD-LOFP-A10

Thermometer : 0 ℃ ~ 360 °C

Scale Division : 1 °C

Ambient Temperature : ≤ 35 °C

Relative Humidity : ≤ 85 %

Cleveland Open Cup Flash Point Tester LD-LOFP-A11

Thermometer : 6 ℃ ~ 400 ℃

Scale Division : 2 °C

Spout Aperture : 0.6 ~ 0.8 mm

Ambient Temperature : -10 ℃ ~ 50 ℃

Automatic Cleveland Open Cup Flash Point Tester LD-LOFP-A12

Ambient Temperature : 10 ℃ ~ 40 °C

Relative Humidity : ≤ 80 %

Temperature Measurement- Full Scale : Ambient temperature to 300 °C

Temperature Measurement- Repeatability : ≤ 8 °C

Automatic COC Flash & Fire Point Tester LD-LOFP-B10

Ambient Temperature : 10 ℃ ~ 40 ℃

Relative Humidity : ≤ 85 %

Temperature Measurement- Full Scale : Ambient temperature to ~ 400 ℃

Temperature Measurement- Repeatability : ≤ 4 ℃

Color Tester LD-LCT-A20

Light source : 220 V, 100 W

Temperature of grinding milk white light bulb : 2750 ± 50 K

Light hole( Φ14) : 26 pieces

Color comparing tube : Φ32 mm

Insulating Oil Breakdown Voltage Tester LD-LIBT-A23

Power supply : AC 220 V ± 5 % , 50Hz

Measurement range : 0 ~ 75 kV

Voltage rising rate : 3 kV ± 10 % / s

Distance between electrodes : 2.5 mm

Mechanical Impurity Tester (Weight Method) LD-LMIT-A21

Dimension : 390 x 260 x 590 mm

Total power consumption : ≤ 1200 W

Power supply : AC 220 V ± 10 %, 50 Hz

Heating power of water bath : 1000 W

Wax Oil Content Tester LD-LWCT-A22

Power supply : AC 220 V ± 10 %, 50 Hz

Temperature controlling range in water bath : RT ~ 90 ℃ ± 5 ℃

Cooling bath temperature : (-35) ℃ ± 1 ℃

Evaporation temperature : 35 ℃ ± 1 ℃

Automatic Lubricating Oils Oxidation Stability Tester LD-LOST-D10

Samples : 2

Oil bath cubage : 30 L

Angle between bomb and water surface : 30 °

Speed of rotary assembly : 100 ± 5 RPM

Transformer Oil Oxidation Stability Tester LD-LOST-D11

Samples : 6

Temperature controlling mode : Automatic digital temperature

Temperature controlling range : Room temperature ~ 160 °C

Temperature controlling accuracy : ± 0.2 °C

Distillate Fuel Oil Oxidation Stability Tester LD-LOST-D12

Samples : 8

Temperature : 100 ℃

Temperature controlling accuracy : 0.1 ℃

Flow meter : 3 ± 0.3 L / H oxygen

Gasoline Oxidation Stability Tester (INDUCTION PERIOD METHOD) LD-LOST-D13

Measurement Range : 0 ~ 1600 kPa

Temperature controlling accuracy : ± 0.2 %

Relative Humidity : ≤ 80 %

Metal Bath Temperature : 100 ℃ ± 1 ℃

Oxygen Bomb Calorimeter LD-LBC-C20

Heat capacity : 14000 ~ 15000 J / K

Temperature measurement range : 10 ~ 35 ℃

Repeatability error : ≤ 0.2 % (Grade C)

Endured pressure in oxygen bomb : 20 MPa

Oxygen Bomb Calorimeter LD-LBC-C21

Temperature controlling range : 10 ℃ ~ 35 ℃

Temperature resolution : 0.001 ℃

Mean value of heat capacity : 15 kJ / K

Ambient temperature : 20 ℃ ± 5 ℃

Oxygen Bomb Calorimeter LD-LBC-C22

Temperature measurement range : 10 ~ 35 ℃

Repeatability error : ≤ 0.2 % (Grade C)

Endured pressure in oxygen bomb : 20 MPa

Operation environment temperature : 15 ~ 28 ℃

Penetrometer LD-LMPT-A10

Measurement range : 0 to 600 penetration scale

Timing controller : 5 sec, 8 sec, 10 sec, 12 sec, 30 sec and 60 sec

Time accuracy : ± 0.1 seconds

Resolution : 0.01 mm

Penetrometer LD-LMPT-A11

Measurement range : 0 to 600 penetration scale

Timing controller : 5 sec or 60 sec

Time accuracy : ± 0.1 seconds

Resolution : 0.01 mm

Penetrometer LD-LMPT-A12

Penetrometer LD-LMPT-A13

Measurement range : 0 to 600 penetration scale

Timing range : 0 sec to 60 sec

Time accuracy error : ≥ ± 0.1 seconds

Resolution : 0.1 penetration

Carbon Residue Tester (CONRADSON METHODS) LD-LRCT-B10

Porcelain crucible : 30 ml

Inner iron crucible : 75 ml

Outer iron crucible : 190 ml

Burner : Mig Burner

Carbon Residue Tester (Digital Temperature Controlled Electric Furnace Methods) LD-LRCT-B11

Bath type : Four holes with a furnace

Heating type : Electric resistance furnace

Temperature controlling range : 0 ~ 520 °C

Temperature controlling accuracy : ± 5 °C

Rotational Viscometer LD-LRV-A10

Viscosity measurement range : 10 ~ 2000000 MPa•s

Ambient temperature : 5 °C ~ 35 °C

Ambient humidity : Not more than 80 %

Spindles : Four spindles of No.1 ~ 4

Liquefied Petroleum Gas Copper Corrosion Tester LD-LRCT-A10

Sample hole : 2 pieces

Speed of stirring motor : 1400 rpm

Ambient temperature : 10 ~ 35 °C

Temperature controlling range : Room Temperature ~ 100.0 °C

Lubricating Oil Rust Characteristics Tester LD-LRCT-A11

Sample hole : 4 pieces

Speed of stirring motor : 1400 rpm

Speed for sample stirring : 1000 ± 50 rpm

Ambient temperature : Room temperature ~ 35 °C

Rust Characteristics and Corrosion Tester LD-LRCT-A12

Sample hole : 4 pieces

Ambient temperature : Room temperature to 35 °C

Temperature controlling range : 0 ~ 100 °C

Temperature controlling accuracy : ± 1 °C

Copper Strip Corrosion Tester LD-LRCT-A13

Sample hole : 4 pieces

Sample quantity : 4 to 12 pieces

Ambient temperature : Room temperature to 35 °C

Temperature controlling range : Room temperature ~ 100 °C

Specific Gravity Tester LD-LSGT-A10

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

X-ray Fluorescence Sulfur in Oil Analyzer LD-LST-A10

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)

Dark Petroleum Products Sulphur Content Tester (Tubular Oven Method) LD-LST-A11

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

Interfacial Tension Tester LD-LIT-A10

Repeatability 0.3% Resolution 0.1 mN/m Sensitivity 0.1 mN/m Accuracy 0.1 mN/m

Vapor Pressure Tester (REID METHOD) LD-LVPT-C10

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

Petroleum Products Vapor Pressure Tester（REID METHODS) LD-LVPT-C11

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

Water Content Tester LD-LWT-A10

Ambient Temperature : ≤ 35 °C

Relative Humidity : ≤ 85 %

Heating Power of Electric Furnace : 1000 W

Sample Determination : 1 at once

Water Content Tester LD-LWT-A11

Ambient Temperature : ≤ 35 °C

Relative Humidity : ≤85 %

Heating Power of Electric Furnace : 1000 W × 2

Sample Determination : 2 at once

Coulometric Karl Fischer Titrator LD-LWT-A30

Ambient Temperature : 10°C to 35°C

Measurement Range : 0 to 100 mg

Resolution : 0.1 µg

Max. Electrolysis Speed : 40 µg /s

Coulometric Karl Fischer Titrator LD-LWT-A31

Maximum current : 400 mA

Measurement range : 3 µg to 9999.9 µg

Resolution : 0.1 µg

Precision 1 : ± 2 µg (3µg H2O to 20µg H2O)

Crude Petroleum Water Content Tester LD-LWT-B10

Ambient Temperature : (-10) °C ~ 35 °C

Relative Humidity : ≤ 85 %

Distillation flask : 1000 ml

Water receiver : 5 ml