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:
Working environment | 0℃~30℃,<85%RH |
Temperature range | -80℃~55℃ |
Heating rate | 15±5℃/min,10±0.5℃/min,
1.5±0.1℃/min |
Accuracy | ±0.1℃ |
Sample needed | 0.15ml |
Measurement methods | Freezing point and turbid
point: automatic phase conversion method |
Pour point, freezing point: automatic pressure pulse method | |
Pour point test interval | 1℃ or 3℃ |
Repeatability | Freezing point: 0.69℃ |
Pour point: 1.6℃@1℃,2.2℃@3℃ | |
Cloud point: 2.0℃ | |
Turbid point: 1.3℃ | |
Reproducibility | Freezing point: 1.3℃ |
Pour point: 3.2℃@1℃,3.8℃@3℃ | |
Cloud point: 4.0℃ | |
turbid point: 2.5℃ | |
Storage | 5000 testing results |
Interface | RS232*1,RJ45*1,USB*2 |
Power supply | AC220V/50Hz |
power | 500W |
Size | 505mm*535mm*335mm |
Weight | 32kg |