Model No. KR-F116

The automatic aviation fuel freezing point tester is designed for assessing the freezing point of aviation fuel, aiding in determining its low-temperature flowability. Utilizing the automatic phase transition method for rapid testing, this instrument offers accuracy, efficiency, and fully automated “one-click” completion of the test, making it an ideal choice for laboratory aviation fuel freezing point determination.

Standards: SH/T 0770, ASTM D5972, IP 435

The instrument utilizes iSKvatorTM technology, featuring one-button start and fully automated operation throughout the testing process, including purging, cooling, maintaining constant temperature, heating, and result interpretation. This effectively frees up manpower and reduces human error.

• The automatic phase inversion method is used for freezing point detection, and the test results are consistent with those obtained using the GB/T 2430 and ASTM D2386 methods

The instrument design adheres to ergonomic principles, utilizing a 12-inch touchscreen computer with an elegant interface, easy-to-use controls, and abundant information. It can display temperature and optical signal curves in real time, providing a clear and intuitive view of the testing process

The test requires only a tiny sample of 0.14mL to 0.16mL, with a testing time of about 15 minutes. It is easy to clean, fast, and efficient.

• Dedicated Peltier/compressor hybrid refrigeration technology, intelligent temperature control, ensuring high efficiency and low-temperature refrigeration.
• Automatic collection of test data: oil product name and number, experiment duration, purge timing, test results, etc.

The refrigeration testing program allows for the assessment of the instrument’s refrigeration effect at any time, effectively ensuring the precision of instrument testing.

• The structural design is compact and reasonable, making it easy to replace test consumables and wear parts.
• Can store no less than 5000 test result records, and provide management functions such as data query, printing, and deletion.
• The instrument application can be upgraded via a USB flash drive.
• RJ-45 network port, capable of connecting to the LIMS system.

High sensitivity, high stability

• Utilizing a professional optical sensor with high sensitivity, stability, and anti-interference capability, it can accurately and rapidly detect the freezing point of oil samples.
• PT100 platinum resistance temperature probe ensures high-precision temperature control of the instrument.
• High-performance dedicated drying components effectively filter air moisture, eliminating the need for laboratory compressed gas and enhancing the safety and flexibility of instrument use.

Key components such as temperature sensors, solenoid valves, and Peltier devices are all sourced from high-end specialized components, ensuring high precision, long-term stability, exceptional durability, and minimal maintenance for the equipment.

Low energy consumption, low noise, no need for external refrigeration, stable and reliable long-term operation.

Parameters:

Instrument introduction:

The fully automatic micro-pour point, cloud point, and freezing point tester is designed and manufactured in accordance with standards ASTM D6749, ASTM D7683, and ASTM D8615. It is suitable for the determination of pour point, cloud point, and freezing point of petroleum products and aviation kerosene under these standards.

The fully automatic micro-dip point, cloud point, and freezing point tester is a fully automated instrument controlled by a PLC. Its operation is extremely simple. Users simply need to load the oil sample to be tested into a glass test cup, turn on the power switch, and press a button to start the test. The system will automatically carry out the test according to the user-selected test procedure. The instrument also features a self-checking function, which is executed first every time the test is initiated.

This instrument features a fully English-language interface. The turbidity and freezing points are detected using coaxial fiber optics, while the pour point is measured using the pneumatic method, ensuring higher accuracy. Upon completion of the measurement, the system will emit an audible alert, lock the display, and automatically save the measurement results.

Instrument features:

◇ Accurate and sensitive automatic detection of pour point, cloud point, and freezing point

◇ Fully automated testing process, with minimal sample usage and simple operation

◇ The turbidity and freezing points are detected using optical fiber, while the pour point is detected using the pneumatic method, achieving higher accuracy

◇ The refrigeration system is safe and environmentally friendly, as the metal bath does not require liquid refrigerant

◇ Ultra-fast cooling speed, with the cold bath reaching -90℃ from room temperature in just 15 minutes

◇ Ultra-low refrigeration depth, capable of reaching a refrigeration depth of -95℃

Technical parameters:

◇ Compliant with standards: ASTM D6749-24, ASTM D7683-21, ASTM D8615-26

◇ Detection range: -85℃ to room temperature

◇ Refrigeration depth: -95℃

◇ Sample volume: 4.5mL～5mL

◇ Test cup: Capacity approximately 12mL

◇ Detection method: Pour point: pressure method; cloud point, freezing point: fiber optic

◇ Temperature measurement: Robust metal material and Pt100 probe with built-in calibration program, equipped with 10 calibration points, temperature sensor outer diameter of 2mm, accuracy of 0.1℃, error less than 1%

◇ Detection interval temperature: pour point: 1℃~3℃; cloud point, freezing point: 0.1℃~1℃

◇ Preheating temperature: The sample is automatically preheated to 45℃ or 9℃ above the expected temperature, whichever is higher, but not exceeding 70℃. The bath temperature is maintained at 48℃ or 12℃ above the expected temperature, whichever is higher.

◇ Cooling rate: For metal bath cooling, when the expected temperature is above 40℃, the cooling rate should be 3℃ to 4℃ per minute; when the expected temperature is below 40℃, the cooling rate should be 0.8℃ to 1.1℃ per minute.

◇ End of heating: After the test is completed, the temperature will automatically rise to room temperature and then the heating will automatically stop

◇ Safety: System self-check, fault alarm, and heating cessation when temperature exceeds 70℃.

◇ Cold bath medium: metal bath, without liquid refrigerant

◇ User interface: 7-inch color LCD display unit, resolution: 1024*600

◇ Host dimensions and weight: W410×D500×H490mm, 21kg

◇ Power supply: AC 220V ±5%

◇ Power: <1000W

◇ Storage: 10,000 historical data entries, with optional printing

◇ Interfaces: LIMS interface, USB interface for connecting U-disks; printer interface; FL-LAB software; RS485; RJ45

Model: KR-PP80A

KR-PP80A ASTM D5972 freezing point tester is a professional testing instrument for low-temperature fluidity of substances developed based on the automatic phase conversion method and the pressure pulse method. The instrument is suitable for petroleum, biological, chemical and other fields to determine the freezing point/pour point/turbid point/cloud point of jet fuel, biofuel, lubricating oil, coolant and other substances.

Test standards

SH/T 0770,

ASTM D5972,

SH/T 0771,

ASTM D5949,

GB/T 510,

ASTM D5773

Product features

1. Adopt advanced automatic phase conversion method and pressure pulse method to test, more accurate and efficient.
2. Small sample volume, low test cost and low pollution.
3. Built-in Stirling temperature control module, without external cooling, high integration.
4. Adopt a frame-by-frame scanning dynamic comparison algorithm to accurately determine the phase change state of the sample.
5. Preset standard test methods, free to choose test items.
6. Real-time display of temperature and optical signal intensity curve, the test process is more intuitive.
7. Pulse pressure is automatically selected, and the sample cup is automatically heated for easy cleaning.
8. Key components are all international brands to ensure long-term stable operation.
9. User hierarchical management, which can realize different levels of account management control.
10. USB interface plug and play, optional thermal printer, convenient data management.
11. 7-inch color touch screen, intuitive and simple operation.

PLEASE NOTE: this freezing point analyzer can also test the cloud point, pour point and turbid point, but these functions are optional.

Main Parameters:

Model: KR-PP35

This pour point and cloud point tester is full automatic type, you just need to put the oil sample into the machine, then it will finish all the testing by itself. It is used to determine the cloud point and pour point of transformer oil, lubricating oil and light oil (not suitable for petroleum products with high viscosity).

The oil test instrument adopts a color touch LCD screen display, an English man-machine dialogue interface, and is easy to operate. It is intuitive and has the function of prompting and modifying the software for misoperation. The interface is clear, the test data can be printed, and the test process is automated. It is an ideal cloud point and pour point measurement product. It meets the standard of GB510 “petroleum product freezing point determination” and GB3535 “oil pour point measurement method” provisions, and ASTM D97, ASTM D2500.

Instrument characteristics

1. High test accuracy, short test time, using small metal cold trap, trace samples, program cooling;

2. Using graphics to dynamically simulate working conditions, and the screen reproduces the test process;

3. Real-time tracking of changes in oil temperature;

4. The whole process is automatically detected, the test results are accurate, repeatable, stable and reliable, easy to operate, and the experimental results can be printed;

5. LCD display, touch control, easy to use, can be heated to 25 ℃ or cooled to -70 ℃;

6. The tilt frame is automatically tilted at 45 degrees during testing, which is fully in line with the standard, and the testing method is optional, which can be tested quickly or as normal;

7. High-performance compressor refrigeration, long service life;

8. With fault diagnosis function, can prompt operation.

Technical Parameters of pour point & cloud point apparatus

Model: KR-PP600A

The cloud point test equipment is in line with the national standard GB510 “petroleum product freezing point determination” and GB3535 “oil pour point measurement method” provisions, and ASTM D97 and ASTM D2500 standard, can be used for light oil determination of cloud point, applications including: refineries, electricity, railways, shipping, petroleum companies and oil business sector.

Produced by Kolery Analysis Instruments

Features:
1. LCD display, adopts microprocessor control, dynamic graphics to simulate the working state;

2. Double-hole cloud point test, accurate and easy to use

3. Tilt 1 minute alarm

Parameters of cloud point tester:

Refrigeration Velocity: not less than 70 ℃ / h

Deep Refrigeration: >/= 70°C

Method of Refrigeration: refrigeration by compressor engine

Testing range: room temperature ~ minus 45°C

Temperature control accuracy: ±0.1℃

Power: 1500W

Voltage: AC 220V+/-10%, /50Hz+/-1Hz

Working Temperature: Temperature ≤ 40 ℃ Humidity ≤ 80%

Size: 370*355*370mm

Weight: about 36Kg

Model: KR-PP600B

The pour point and cloud point analyzer is in line with the national standard GB510 “petroleum product freezing point determination” and GB3535 “oil pour point measurement method” provisions, and ASTMD97, ASTMD2500, IP15 and IP219 standards, can be used for light oil determination of pour point, applications including: refineries, electricity, railways, shipping, petroleum companies and oil business sector.

Features of cloud point tester

1. English LCD screen timely display the instrument’s temperature, time, parameters and other working conditions.

2. Adopt advanced single-chip intelligent temperature control, comes with high temperature control accuracy.

3. Designed with double-slots four-holes, single-slot double-holes for freezing point testing, very easy to use.

Main Specifications:

Refrigeration Velocity:not less than 45 ℃ / h

Deep Refrigeration:>/= 70°C

Method of Refrigeration:Imported compressor refrigeration

Testing range:100℃ ~ minus 45°C

Temperature control accuracy:±0.1℃

Power:1500W

Voltage:AC 220V+/-10%, /50Hz+/-1Hz

Working Temperature:Temperature ≤ 40 ℃ Humidity ≤ 80%

Weight:about 36Kg

Model: KR-PP900

This pour point and cold filter plugging point tester is designed and manufactured according to the national standard GB / T510 “Freezing point determination method for petroleum products” and national petrochemical industry standards, GB / T3535-2006Q “Pour point measuring instrument”, SH / T0248 “Distillation fuel cold filter point determination method” and other requirements. It is suitable for the determination of the freezing point, pour point and cold filter point of petroleum products, biodiesel, fuel, diesel.

Features:

1.Digital display.

2.Cascade compressor refrigeration.

3. It is equipped with a suction filter device to test the freezing point and cold filter plugging point.

4. Adopt advanced cold bath refrigeration technology, with fast cooling speed and low noise.

Technical Parameters of cold filter plugging apparatus:

Working cold tank: double tank 4 holes

Cold tank temperature control: room temperature ~-75 °C.

Temperature control accuracy: ±0.2 °C

Refrigeration system: a new imported cascade compressor.

Ambient temperature: ≤ 30 ° C.

Relative humidity: ≤ 85%.

Working power: AC220V ± 10%; 50 H

Model: KR-F206

This freezing point tester is designed as a compact equipment for fast testing freezing point of liquid petroleum products performing ASTM D7153 method.

It is designed with built-in WinCE ® based MCU to run the program. Simply operation: setting the sample bottle and pushing button to run test. The instrument can get the results within 20 minutes after starting. Centralized LIMS is available.

8 inch touch color screen displays the testing time, sample temperature and the freezing point in real time.

The test results of model KR-F206 freezing point analyzer can be printed out by an extra compact thermo-sensitive printer or be exported to the USB memory or LIMS.

Specifications of Freezing Point Testing Equipment

Standard Test Methods: ASTM D7153 GB/T 2430

Cooling System: Built-in Compression Chiller

Temperature Range: -62°C (The bath down to -70 °C)

Sample Volume: 5 ml

Testing time of sample: 15~20 minutes

Communication port: 1 LAN, 2 USB, 1 Parallel ,

Dimensions: 670 x 385 x 390 (mm)

Weight: 64 kg

Power Supply: AC220 V±10% 50/60Hz 1200W

Model:KR-PP800

Pour point is the lowest temperature when incline-placed solid oil is heated to start move and cloud point is the highest temperature when oil is cooled to stop move under regulated conditions. Both are indexes to measure low-temperature fluidity of oil.

This cloud point and pour point tester applicable to standard GB/T510 and GB/T3535, is manly used to determine the pour point and cloud point of transformer oil, lubricating oil and other oil. It is an ideal analyzing and testing equipment which has advantages of reasonable structure, steady functions and easy operation. It is widely used in refineries, electricity, railways, shipping, oil companies and oil business sectors.

Main Features:

1. LCD display, using microprocessor control, dynamic graphic simulation working state.

2. Using semiconductor refrigeration technology, measuring process automatic cooling, automatic temperature control and automatic detection.

3. Automatic filling, testing, draining, and printing.

4. Suitable for light oil with a pour point in the range of 10 ° C ~ -60 ° C.

Technical Parameters