Description
Product Overview
The Tramex CALCRH Calibration Check Plate is engineered as a precise, on‑site verification tool for concrete moisture meters. Measuring 7.9 x 4.1 x 1.1 inches and weighing only 0.16 ounces, the plate offers a lightweight yet robust platform that mimics the moisture content of a typical concrete slab, allowing users to quickly confirm meter accuracy without the need for additional calibration standards. Its surface is finished to a smooth, non‑porous texture that resists wear and maintains dimensional stability even after repeated handling, ensuring consistent performance over the product’s lifespan.
Manufactured by Tramex, a recognized leader in moisture measurement technology, the CALCRH plate incorporates high‑grade polymer composites that provide resistance to chemical exposure, temperature fluctuations, and mechanical impact. The plate’s dimensions are carefully calibrated to match the sensor footprint of Tramex’s CMEX5, CME5, CME4, and CMEX2 meters, guaranteeing that the meter’s probe contacts the plate uniformly during each check. This design eliminates user error caused by uneven surfaces and delivers repeatable results that meet industry calibration tolerances.
Beyond its technical specifications, the CALCRH plate delivers tangible benefits for field professionals. By enabling rapid, on‑the‑spot calibration, it reduces downtime, minimizes the need for laboratory‑based verification, and helps maintain compliance with project specifications that often require documented moisture readings. The plate’s portability—thanks to its slim profile and lightweight construction—means it can be carried in a tool belt or holster pouch, ready for use on any job site, from residential renovations to large‑scale commercial construction.
Usage
In practice, the CALCRH plate is employed by simply placing it on a clean, flat section of concrete and pressing the moisture meter firmly against the surface. The user then reads the meter output; if the reading falls within the manufacturer‑specified tolerance range, the meter is confirmed as accurate. This straightforward procedure can be performed in a matter of seconds, making it ideal for routine checks before each measurement session, after equipment transport, or whenever environmental conditions change.
The plate is especially valuable in environments where moisture levels can fluctuate rapidly, such as during seasonal temperature shifts, after concrete curing, or when working in high‑humidity zones. Contractors can use the plate to verify that their meters remain reliable throughout a project, thereby avoiding costly rework caused by inaccurate moisture data. Inspectors also benefit from the plate’s ability to provide documented proof of meter calibration, supporting compliance audits and client confidence.
Because the CALCRH plate requires no additional tools, batteries, or external power sources, it can be deployed in remote locations, on scaffolding, or even in confined spaces where traditional calibration equipment would be impractical. Its rugged construction tolerates accidental drops, and the non‑destructive nature of the plate ensures that the concrete surface remains untouched, preserving the integrity of the test area.

Why Choose Us
Choosing the Tramex CALCRH Calibration Check Plate means partnering with a brand that has a long history of delivering reliable moisture measurement solutions. Tramex’s commitment to quality is reflected in the plate’s rigorous testing procedures, which include dimensional verification, material durability assessments, and field trials with professional users. This ensures that each plate meets the exacting standards required for accurate calibration across a range of concrete moisture meters.
Our after‑sales support extends beyond the point of purchase. Customers receive access to technical documentation, calibration guidelines, and a dedicated support line staffed by experts familiar with Tramex equipment. Should any issue arise, replacement parts or a full plate can be provided under the standard warranty, reinforcing confidence in the product’s long‑term performance.
In addition, the CALCRH plate is part of Tramex’s broader accessory ecosystem, which includes complementary items such as extension handles and holster pouches. Purchasing the plate alongside these accessories offers a complete, ready‑to‑use calibration kit that streamlines workflow and reduces the need for multiple vendor relationships. This integrated approach saves time and simplifies inventory management for contractors and service providers.
Key Features
- Portable design lets you calibrate meters anywhere, eliminating the need for a dedicated lab.
- Exact dimensions match Tramex CMEX5, CME5, CME4 and CMEX2 sensors for consistent contact.
- Durable polymer construction resists wear, chemicals, and temperature changes.
- Quick verification process saves time and reduces project downtime.
- Comprehensive Tramex support and warranty ensure reliable after‑sales service.
FAQ
How often should I perform a calibration check with the CALCRH plate?
It is recommended to verify your meter before each new measurement session, after any transport of the device, and whenever you notice a shift in environmental conditions such as temperature or humidity. Regular checks help maintain accuracy and prevent costly rework.
Can the CALCRH plate be used with moisture meters from other brands?
The plate is specifically dimensioned for Tramex meters, but it can serve as a general reference surface for other brands that have compatible probe sizes. However, for best results and to meet calibration standards, we advise using it with Tramex CMEX5, CME5, CME4, or CMEX2 models.
What maintenance is required for the CALCRH plate?
Keep the plate clean by wiping it with a dry cloth after each use to remove dust or debris. Avoid exposing it to harsh chemicals or abrasive cleaning agents. The plate does not require any calibration of its own, as its dimensions are fixed by design.
Is the plate included in the AP-CM accessory pack?
Yes, the CALCRH plate is available as part of the AP-CM accessory pack, which also includes an extension handle and a holster pouch. Purchasing the pack provides a complete calibration solution in a single package.
What is the warranty period for the CALCRH plate?
Tramex offers a standard one‑year limited warranty covering manufacturing defects. If the plate shows signs of premature wear or damage under normal use, contact Tramex support for a replacement or repair.




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