SH/T0090 ASTM D1177 Antifreeze coolant freezing point automatic tester parameters principle
Automatic antifreeze freezing point tester SH128 is shandong Shengtai instrument Co., Ltd. according to the national petrochemical industry standard SH/T0090-91 "Engine coolant freezing point determination method" and ASTM D1177 r & D production. Suitable for measuring the freezing point of engine coolant and its concentrate.
Instrument features:
Using embedded system design, using imported PT100 temperature sensor, the whole test process automatic detection; Color touch screen;
The test results can be stored; Historical data can be viewed;
The printed results on the instrument, mechanical automatic stirring, the experimental results can be exported through the U disk, stored in the computer can be tested and compared for many times.
Technical parameters
1, working power supply: AC220V±10%; 50 hz.
2, working cold tank: double vacuum glass bath.
3, cold trough temperature control: +30℃ ~ -70℃.
4, temperature control accuracy: ±0.1℃.
5, bath mixing: mixing motor automatic mixing, power 6W, 1200r/min.
6, refrigeration system: imported cascade refrigeration compressor.
7, sample stirring: synchronous reducer motor, 1 times/second.
8. Ambient temperature: ≤30℃.
9, relative humidity: ≤85%.
10. Power consumption: about 1500W.