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This test method allows evaluation of chloride permeability characteristics of concrete. The test is performed to monitor the amount of electrical current passing through concrete cores or cylinders. A potential difference is maintained across the ends of the specimen, one of which is the negative end and is immersed in a sodium chloride solution, the other (positive end) in a sodium hydroxide solution. The total charge passed, in Coulombs, that is related to the resistance of the specimen to chloride ion penetration is measured.
STANDARD
Measuring technique
Closed loop maintained 60 V DC potential difference, passed current measured and integrated relative to time
Features
·Embedded computer control, power outages and power-down data storage, advanced technology, well-made, reliable performance, high accuracy
·LCD display, with real-time display/print and analysis function, can be separated from Pc to use directly, to facilitate the outdoor field detection.
·Standard RS232 serial communications with fully automatic PC connection software can output the flux test report to generate curve, and then print for analysis and archiving
·Automatic short circuit protection to avoid equipment damage
·Imported material fixture, high accuracy, easy and smart to use
·Can simultaneously test two groups (6), three (9), four (12) or five (16) concrete block one time
·With the latest smart-in-one vacuum saturated machine
TECHNICAL PARAMETERS
Test ability: C30~C50 Portland cement concrete
Test channel: 6 channels, 9 channels, 12 channels, 16 channels optional
Working environment: 0ºC~50ºC humidity≤75%
Measurement error: <1%
Accuracy: ± 0.1 V, ± 1 mA
Working voltage: ~220VAC 60VDC
Working current: 0-360mA
Host: 385×345×145mm, 5kg
Specimen cells: 6 sets; 440×350×210mm; 9kg
Total weight: 46kg(vacuum saturated machine included)
VACUUM SATURATED MACHINE
Volume: 10L
Vacuum accuracy: ±0.001Mpa
Power: 300W
Power Supply: AC 220V
Console Voltage: DC 5V
Transmitter Voltage: DC 24V
Dimension: 750×680×400 mm
Weight: 32 kg
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