... temperature display system GB/T3535 ASTM D97 North Dalian BF-12A Pour Point Tester(Pour Point) 1.Technical parameters Input Power ... °C, -34°C, -51°C, (-68°C) 3.Applicable standardsBF-12A pour point tester is in accordance with national standards GB ... it's easy to set and correct the temperatures. BF-12A Pour Point Tester(Pour point)