Perma2™ | Rapid Chloride Permeability

Rapid Chloride Permeability

Giatec Perma2™ is a completely re-engineered laboratory test device for the measurement of the electrical resistance of concrete against the penetration of chloride (RCPT) according to the standard methods such as ASTM C1202, AASHTO T277 and ASTM C1760. The measurement data can be used to estimate the chloride diffusion coefficient of concrete for the service life prediction and design of concrete structures as well as the durability-based quality control of concrete.

Perma2™ is electrically certified for rapid chloride penetrability test in concrete laboratories and its measuring cell sizes are according to the ASTM and AASHTO specifications. Equipped with a verification kit, Perma2™ is an accurate test device for concrete labs.

Perma2™ Test Setup Tutorial Video Perma2™ test device Perma2™ stand-alone device Verification kit for Rapid Chloride Penetrability Test Perma2™ Data Monitor PC software Exploded view of the sample cell Concrete sample cell for Perma2™ Vacuum pump and desiccator Back panel of Perma2™

remove_circle_outlineadd_circle Applications

In concrete materials, the DC electrical resistance of concrete is correlated with important durability parameters of concrete such as chloride diffusion coefficient and the chloride migration coefficient that are used for the durability design or service life design of concrete structures.

Perma2™ is a laboratory device for testing the durability of concrete exposed chloride-contaminated environment including:

  • Concrete’s ability to resist chloride ion penetration (ASTM C1202, AASHTO T277)
  • Bulk electrical conductivity of concrete (ASTM C1760)
  • Performance-based quality control of concrete
  • Estimation of chloride diffusion coefficient of concrete
  • Estimation of chloride migration coefficient of concrete

remove_circle_outlineadd_circle Features

  • Stand alone operation
  • Easy-to-assemble
  • Accurate (±0.1 mA)
  • Auto-seal cells with rubber gasket and spacer (i.e. does not require caulking)
  • Flexible logging interval time (1 to 10 min)
  • Automatic temperature control system
  • Four measurement channels
  • User-friendly PC software (optional)
  • Customizable setup
  • USB connection to computer (optional)
  • Verification kit accessory (optional)

remove_circle_outlineadd_circle Technical Specifications

General

TypeValue
Applied Voltage60 ± 0.1 V
Range of current measurement0 ~ 500 mA ± 0.1 mA
Temperature measurement range0 ~ 100°C
Measurement channels4
Short circuit protection systemYes
Measurement display on LCDYes
Remaining time display on LCDYes
LCD display area65x33 mm
Dimensions of Perma2™ Device280x240x104 mm
Weight2 Kg


Operating conditions

TypeValue
Operating temperature 15 ~ 45 °C
Operating humidity30 ~ 80%
Storage temperature0 ~ 70°C
Operating voltage/current100 ~ 240 V, 50-60Hz

remove_circle_outlineadd_circle Purchase Items

Part No.ItemDescription
900070Perma2™ Rapid Chloride Permeability Test - Full Package-115VPerma2™ unit, Four set of test cells , For set of temperature sensors, Four pairs of test cables, Power cord, USB cable, User manual, Communication software, Standard Sample Preparation Package-115V, Verification Kit, Traceable certificate of calibration
900073Perma2™ Rapid Chloride Permeability Test - Full Package-230VPerma2™ unit, Four set of test cells , For set of temperature sensors, Four pairs of test cables, Power cord, USB cable, User manual, Communication software, Standard Sample Preparation Package-230V, Verification Kit, Traceable certificate of calibration
900071Perma2™ Test PackagePerma2™ unit, Four set of test cells , For set of temperature sensors, Four pairs of test cables, Power cord, USB cable, User manual, Communication software, Verification Kit, Traceable certificate of calibration
900042Sample Preparation Package-115VVacuum pump, Vacuum desiccator (single outlet, ID 24 cm, 8.8L), Vacuum gauge, Vacuum and water hosing setup
900043Sample Preparation Package-230VVacuum pump, Vacuum desiccator (single outlet, ID 24 cm, 8.8L), Vacuum gauge, Vacuum and water hosing setup
900103Enhanced Preparation Package-115VVacuum pump, Vacuum desiccator(double outlet, ID 35 cm, 10L), Vacuum gauge, Vacuum and water hosing set up
900104Enhanced Preparation Package-230VVacuum pump, Vacuum desiccator(double outlet, ID 35 cm, 10L), Vacuum gauge, Vacuum and water hosing set up

The following replacement parts are available upon request:

Part No.ItemDescription
900072Perma2™ DevicePerma2™ unit, Four set of temperature sensors, Four pairs of test cables, Power cord, USB cable, User manual, Communication software
900064Verification KitVerification kit is required to verify the test results
900021Test CellPlexiglas holder, Rubber gasket cast (4" Dia), Stainless steel mesh, Plastic spacer,Bolts, Nuts
900027Stainless Steel Mesh - Pair130 mm diameter
900028Rubber Gasket Cast - Pair100 mm (4") diameter
900039Rubber Gasket Core - Pair95 mm (3.75") diameter
900022Test Cable SetTest cable with banana male plug
900023Temperature SensorDigital temperature sensor
900024Vacuum Pump Assembly-115Vacuum pump, Vacuum gauge
900025Vacuum Pump Assembly-230Vacuum pump, Vacuum gauge
900026Vacuum Desiccator AssemblyVacuum desiccator, Vacuum and water hosing setup
900027Enhanced Vacuum Desiccator AssemblyVacuum desiccator (double outlet, ID 35 cm, 10L), Digital vacuum gauge, Vacuum and water hosing setup
900093NaCl Sodium Chloride SolutionOne gallon of 3.0% NaCl Solution
900029NaOH Sodium Hydroxide SolutionOne gallon of 3.0% NaOH Solution

remove_circle_outlineadd_circle FAQ

Q1: What vacuum pressure is the vacuum pump setup for conditioning the specimens?
A: According to the ASTM C1202, a vacuum pressure of 50 mm Hg should be applied. This is equivalent to a maximum of about -28 in Hg on the pressure gauge supplied with the Perma2™ vaccum pump. So, it is required to keep the pressure using the vacuum pump supplied, less than -28 in Hg during the conditioning of the RCPT specimens.

Q2: Is caulking required for the testing cell ?
A: No, caulking is not needed for Perma testing cell. The specimen should have epoxy coating, in order to keep the chloride penetration one-dimensional.

remove_circle_outlineadd_circle Publications

  1. Ahmed, M. S., Kayali, O., & Anderson, W. (2009). Evaluation of Binary and Ternary Blends of Pozzolanic Materials Using the Rapid Chloride Permeability Test. Journal of Materials in Civil Engineering, 21(9), 446-453.
  2. Bassuoni, M. T., Nehdi M. L., & Greenough T. R. (2006). Enhancing the Reliability of Evaluating Chloride Ingress in Concrete Using the ASTM C1202 Rapid Chloride Penetrability Test. Journal of ASTM International, 3(3), 1-13.
  3. Shi, C. (2004). Effect of Mixing Proportions of Concrete on its Electrical Conductivity and the Rapid Chloride Permeability Test (ASTM C1202 or AASHTO T277) Results. Cement and Concrete Research, 34(3), 537-545.

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