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Your cart is empty.
Your cart is empty.Product Description

The Best Concrete Moisture Meter
C555
The C555 Concrete Moisture Meter provides fast, non-destructive preliminary moisture measurements on smooth, firm concrete to help pinpoint problem areas and determine where to place Rapid RH L6 Smart Sensors.
Built-in sensors measure ambient temperature and relative humidity.
The included On-Demand Calibrator allows fast, easy user-calibration. A NIST-traceable version, with a certificate of calibration, can also be purchased.
With its built-in ambient sensors and On-Demand Calibrator, the C555 comes with everything you need to perform the test outlined in ASTM F2659.
Features
- Handheld Concrete Moisture Meter
- Measures to 0.5" depth
- Relative Mode for Concrete-Similar Materials
- A Scuff-Resistant Teflon Sensor Pad
- Digital Backlight Display
- Comes with an On-Demand Calibrator
- ASTM F2659 Compliant
- Integrated ambient temperature and RH sensors
Target Your Concrete RH Testing with the C555 Concrete Moisture Meter

What is a Concrete Moisture Meter?
Our C555 effectively assesses the dryness in the top ½ inch of smooth concrete slabs. It is an easy, quick, and useful first step that you can take when evaluating a concrete slab that will be receiving some flooring finish.
“Goodbye” to the days of confusion, waste, or extra work, and “hello” to the days of saving effort, time, and money. When assessing your concrete, you want an easy and nondestructive tool to set you up for success.
The C555 does exactly that.
It is easy to use and the only concrete moisture meter in the market that allows for in-field calibration. This makes it easier to meet the calibration requirements of ASTM F2659.
It also has built-in temperature and relative humidity sensors!

Use the C555 On:
- Concrete
- Brick
- Gypsum
If You Use the Rapid RH in situ Concrete RH Testing System, Think of the C555 as a Targeting Device
Imagine a device that could tell you exactly where your concrete's most likely problem areas are. These spots might have unusually high RH levels. With the C555, you don't have to imagine it: the device actually exists.
Consider the C555 your handy partner in conjunction with the Rapid RH System. Put these two together, and you’ve got a dynamic duo that will help you gather essential data and help you make an informed decision about where to place your Rapid RH in situ sensors.
While this meter is not meant to be used by itself for a final quantitative analysis of concrete moisture conditions, it is intended to make your job and life easier. Who wouldn’t want that?
The C555 emits a signal into the material to measure moisture down to ½ inch below the surface. Sure, the C555 is a pretty good tool for wet/dry indications on its own. But, when used with the Rapid RH testing system, the C555 Concrete Moisture Meter becomes an effective targeting system that helps you place your L6 Smart Sensors in the areas where they will be most effective.
The C555 gives you quick data about what zones are low or high in moisture. It optimizes moisture targeting and helps you get the best readings from your in situ RH testing. Not only that, but its function as a non-destructive concrete moisture meter for preliminary evaluation means that the C555 is ASTM F2659 compliant.

C555 Concrete Moisture Meter Kit contains On-Demand Calibrator
If you are ever unsure whether the C555 Concrete Moisture Meter is calibrated, an On-Demand Calibrator platform is included to allow the user to calibrate the C555 back to original factory standards in less than a minute. The calibration process is simple and fast so that the user can very quickly get back to using the C555 with as little delay as possible.
The C555 features an alarm audio sound that corresponds to a high moisture content alarm threshold, within the Standard Measurement mode, and programmable to sound the alert at readings from 0.0 to 6.9. This function is perhaps most useful when scanning a section of concrete to locate higher moisture content areas without continually looking at the digital display.
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