Crack Monitoring Discs are used for accurately monitoring concrete crack movements in concrete structures and provide a solid reference point to ensure consistent and accurate measurements each time.

Small cavities in the center of each disc are used to precisely locate the jaws of the TSA-271 Digital Caliper for accurate and reliable monitoring measurements. Discs can also be attached easily to either side of the crack using HMA-804 Rapid-Set Epoxy or used with Concrete Crack Monitors in measuring and monitoring. Available in packages of 100.

HM-640 Monitoring Discs are constructed of stainless steel.

HM-641 Monitoring Discs are constructed of polycarbonate plastic.

Features:

Fast, simple installation
Easy and precise monitoring

Included Items:

(100) Crack Monitoring Discs (Stainless Steel or Polycarbonate Plastic)

Accessories:

Digital Calipers for use in getting accurate measurements in crack monitoring

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Specifications

Attribute name	Attribute value
Material	Stainless Steel or Polycarbonate Plastic
Quantity	100 Discs/package
Product Dimensions	HM-640: 0.3 x 0.1in (7.6 x 2.5mm), dia. x Thickness HM-641: 0.4 x 0.3in (10 x 8mm), dia. x H
Estimated Shipping Weight	HM-640: 1.0lb (0.45kg) HM-641: 0.5lb (0.23kg)

Product Q&A

Displaying Q&A 1-4 of 8

Q: Will this work with fan-forced heaters?

I'm very satisfied with this product. It was exactly what I wanted in my travel trailer, for a lot more accurate heating. Now I can pinpoint it to exactly the temperature I want, instead of guessing, sliding the conventional thermostat back and forth. Will for sure save on propane too! Nice back light when adjusting the temperature, making it easy to see even at night.

Q: Will this work with fan-forced heaters?

I'm very satisfied with this product. It was exactly what I wanted in my travel trailer, for a lot more accurate heating. Now I can pinpoint it to exactly the temperature I want, instead of guessing, sliding the conventional thermostat back and forth. Will for sure save on propane too! Nice back light when adjusting the temperature, making it easy to see even at night.

Q: Will this work with fan-forced heaters?

I'm very satisfied with this product. It was exactly what I wanted in my travel trailer, for a lot more accurate heating. Now I can pinpoint it to exactly the temperature I want, instead of guessing, sliding the conventional thermostat back and forth. Will for sure save on propane too! Nice back light when adjusting the temperature, making it easy to see even at night.

Q: Will this work with fan-forced heaters?

I'm very satisfied with this product. It was exactly what I wanted in my travel trailer, for a lot more accurate heating. Now I can pinpoint it to exactly the temperature I want, instead of guessing, sliding the conventional thermostat back and forth. Will for sure save on propane too! Nice back light when adjusting the temperature, making it easy to see even at night.

Displaying Q&A 1-4 of 8