Brief introduction: This product is suitable for the determination of concrete specimen under the condition of water frozen water melts, subjected to rapid freezing and thawing cycles or frost resistance durability coefficient to represent the frost resistance of concrete performance. Products meet the national standard of the ordinary concrete long-term performance and durability test method "(GB/T 50082-2009), the frost resistance of concrete test equipment (JG/T 243-2009), ASTM C666 the ability of fast freezing and thawing of concrete standard test methods, D L T5150-2001 hydraulic concrete test procedures and other standards. Technical parameters: Condenser cooling: air cooling Number of specimens: 16 pieces Specimen size: 100 * 100 * 100, measuring the same size, leave a thermometer hole in the middle Freezing and thawing cycles: 2.5 to 4 hours, melting time not less than 1/4 freeze-thaw cycles Sensor 1: center 5 ~ 18 + 2 ℃ temperature control Sensor 2: liquid temperature control temperature control: 18 ~ 23 ℃ low temperature control: - 23 ~ 18 ℃ Sensor 3: diagonal temperature control Poor diagonal temperature monitoring the casing temperature less than 2 ℃ Sensor 4: secondary protection temperature control 50 ℃ ~ 30 ℃ Temperature recorder, digital display the paperless recorder Specimen barrel size: 120 * 120 * 120 Freezing and thawing circulation medium: - 45 ℃ antifreeze Freeze-thaw cycle medium filling quantity: liquid level is higher than block 10-15 mm power: 6 kw
Brief introduction: This product is suitable for the determination of concrete specimen under the condition of water frozen water melts, subjected to rapid freezing and thawing cycles or frost resistance durability coefficient to represent the frost resistance of concrete performance. Products meet the national standard of the ordinary concrete long-term performance and durability test method "(GB/T 50082-2009), the frost resistance of concrete test equipment (JG/T 243-2009), ASTM C666 the ability of fast freezing and thawing of concrete standard test methods, D L T5150-2001 hydraulic concrete test procedures and other standards.
