Resipod Resistivity Meter

Resipod ─ Surface 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 testing 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 and even to determination of early compressive strength. This makes it one of the most versatile NDT methods for concrete.

  • Fully integrated surface resistivity instrument
  • Highest resolution available for a surface resistivity instrument
  • Available with 1.5" (compliant with the AASHTO Provisional Standard TP 95 on Surface Resistivity) or industry standard 50 mm probe spacing or Bulk Resistivity Model
  • 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
  • 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 Bulk Resistivity model allows an alternative method to the surface resistivity test for quality control of standard 4" x 8" (100 x 200mm) concrete cylinders.
  • Resipod - A tool for checking fibers distribution in a steel fiber reinforced concrete

Resipod complies with the AASHTO Provisional Standard TP 95 on Surface Resistivity.

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.

Technical Data
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 <50µA)±2 kΩcm or ±5% (whichever is greater)
Frequency40 Hz
MemoryNon volatile, ca. 500 measured values
Power Supply>50 hours autonomy
Charger connectionUSB type B, (5V, 100mA)
Dimensions197 x 53 x 69.7 mm (7.8 x 2.1 x 2.7 inch)
Weight318 g (11.2 oz)
Operating temperature0° to 50°C (32° to 122°F)
Storage temperature-10° to 70°C (14° to 158°F)


  • Standard 2-year limited warranty on electronic parts
  • Optional extended warranty periods up to 3 additional years

Product Family

Resipod Geometric (SR) Method
The AASHTO TP 95-11 standard is limited to particular sample geometries and a maximum aggregate size of 1.5”, 38mm. Resipod Geometric is designed to comply with the latest research intended to extend the current limits of this AASHTO standard.
Resipod Geometric is supplied with a variable spacing probe that can accommodate larger aggregate sizes. It also allows the user to enter geometric correction factors via the ResipodLink software to give the correct resistivity reading directly on the instrument.

   Resipod Bulk Resistivity (BR) Method
The Bulk Resistivity test is an alternative method where the sample resistivity is measured between electrical plates placed at either end of the sample. The geometry factor is very simple and the test is rapid to perform, with similar advantages as the surface resistivity test.
The Resipod Bulk Resistivity kit provides everything necessary for carrying out this test on standard 4”, 100mm diameter cylinders.