Resipod Resistivity Meter

Resipod Resistivity Meter

Concrete, Materials, Components

Resipod Resistivity Meter

Resipod Resistivity Meter
Resipod Resistivity Meter

Resipod is a fully integrated 4-point Wenner probe, designed to measure the electrical resistivity of concrete in a completely non-destructive test. It is the most accurate instrument available, extremely fast and stable and packaged in a robust, waterproof housing designed to operate in a demanding site environment. The Resipod is the successor of the classic CNS Farnell Resistivity Meter.
Surface resistivity measurement provides extremely useful information about the state of a concrete structure. Not only has it been proven to be directly linked to the likelihood of corrosion and the corrosion rate, recent studies have shown that there is a direct correlation between resistivity and chloride diffusion rate, which helps to determine the early compressive strength. This makes it one of the most versatile NDT methods for concrete.

Features

  • Fully integrated surface resistivity instrument
  • Highest resolution available for a surface resistivity instrument
  • Available with 1.5" (compliant with the AASHTO standard) or 50 mm probe spacing
  • Current flow indication and poor contact indication
  • Hold, save and delete function, with onboard memory
  • USB connection and dedicated PC software
  • Designed to float (waterproof)
  • Allows replacement of standard tips with accessories

Application

  • Estimation of the likelihood of corrosion
  • Indication of corrosion rate
  • Correlation to chloride permeability
  • On site assessment of curing efficiency
  • Determination of zonal requirements for cathodic protection systems
  • Identification of wet and dry areas in a concrete structure
  • Indication of variations in the water/ cement ratios within a concrete structure
  • Identification of areas within a structure most susceptible to chloride penetration
  • Correlation to early compressive strength
  • Correlation to water permeability of rock

Resipod Link Software

The Windows based software ResipodLink, developed by Proceq, allows the user to view and manipulate the data on a connected PC. It also allows a variable contact spacing to be set.

Standardization

Resipod complies with the proposed AASHTO standard for a surface resistivity test for estimating hardened concrete permeability.

Technical Data

Resipod Resistivity Meter
Resolution (nominal current 200µA)±0.2 kΩcm or ±1% (whichever is greater)
Resolution (nominal current 50µA)±0.3 kΩcm or ±2% (whichever is greater)
Resolution (nominal current ±2 kΩcm or ±5% (whichever is greater)
Frequency 40 Hz
Memory  Non volatile, ca. 500 measured values
Power Supply >50 hours autonomy
Charger connectionUSB type B, (5 V, 100 mA)
Dimensions197 x 53 x 69.7 mm (7.8 x 2.1 x 2.7 in)
Weight318 g (11.2 oz)
Operating temperature0° to 50°C (32° to 122°F)
Storage temperature-10° to 70°C (14° to 158°F)
Resipod Resistivity Meter
DYWIDAG-Systems International GmbH

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