Giatec Surf™ Surface Resistivity

Giatec Surf™ Surface Resistivity

Product Options

Part Number & Name
Price QTY
Giatec SURF™ with 4" x 8" (100 x 200mm) Sample Holder
Giatec SURF™ Testing Device Only
Add to Saved Cart

Giatec Surf™ Surface Resistivity

Supports the following standards: ASHTO TP-95, AASHTO T358-15

Surf™ is a laboratory non-destructive test device for rapid, easy and accurate measurement of the surface electrical resistivity of concrete based on the four-probe (Wenner-Array) technique according to AASHTO TP 95-11, and pending ASTM specifications. Surf™ has a unique and customized setup, which enables the measurement of electrical resistivity with high accuracy by reducing the duration of the test and minimizing ambient effects.

The Surf™ provides a test cradle for 4"x 8" and 6" x 12" cylinders, which provides four (4) 4-sensor arrays positioned at 90° intervals around the cradle. Surf™'s patented technology automatically takes measurements at each of the sensor points around the cylinder and then repeats the process for all 8 measurements in less than 15 seconds. The included PC software takes this information and generates the reports required by the standards.


  • Performance-based, quality control testing
  • Estimation of chloride diffusion coefficient
  • Service-life design of concrete structures
  • Remaining life estimation of structures
  • Crack detection in under load concrete
  • Monitoring the setting time of fresh concrete


  • Patented technology
  • Fully compliant with both AASHTO TP95 and the upcoming ASTM standard
  • Fast measurement (8 measurements < 15s)
  • Four-channel surface resistivity meter
  • Variable frequency (13 - 100 Hz)
  • Limits moisture loss
  • Automatic report generation with PC software
  • Fresh concrete testing/crack detection


  • Measurement Channels - 4
  • Measurement Display - Yes
  • LCD Display Area - 65 x 33 mm
  • Dimensions of Device - 200 x 160 x 70 mm
  • Software - Surf™ Data Monitor

The Giatec Surf™ kit includes" the Surf™ unit, 100 × 200mm (4" x 8") sample holder, power adaptor, USB cable, communication software, user manual, and conductive gel.


Part Number & Name
Price QTY
Conductive Gel - Low Viscosity, 250ml
Add to Saved Cart

Replacement Parts

Part Number & Name
Price QTY
Surf™ Test Cable, Four-point with clip.
Surf™ Contact Sponge Set, 16 pcs.
Add to Saved Cart


Manuals, Data Sheets & Safety Data Sheets

HG-9037.3F-Giatec Surf (Data Sheet PDF)




AASHTO T358-15

Add Products to Saved Cart

All items with a quantity will be added.

Note: You will be directed to sign in or create an account. The cart will be created upon logging in if you continue. To add to an existing saved cart, Log In first.

Added to Shopping Cart

Cart Subtotal (1 ):

View Cart Checkout

The following items were already in your cart and have had their quantity increased. If you did not intend for this, we recommend that you edit your shopping cart.

Discover Additional Items