Solution for concrete quality control! A NETIS-registered unit water meter that can measure easily, quickly, and with high precision!
W-Checker is a unit water measurement air meter that can accurately measure the unit water content of fresh concrete. It achieves the following three points through a high-precision digital air meter and scale: ● "Simple" - Anyone can easily measure without individual differences. ● "Quick" - Measurement results can be confirmed in a short time of under 5 minutes. ● "High Precision" - High accuracy of ±5kg/m3. 【Features】 ● Water injection method that does not require leveling work. ● Uses a high-precision digital air meter (minimum reading value of 0.01%). ● The initial pressure point of the air meter can be arbitrarily determined within 95 to 120 kPa. ● Calibration of the measurement unit is possible. ● Both mass measurement unit and air volume measurement unit have traceability. ● No need for corrections to measurement lines, conversion formulas, or compensation formulas. ● Compatible with high-strength, high-flow concrete. ● Standard equipped with a mini printer, allowing measurement results to be printed on-site. ● Complies with JIS A 1116 / JIS A 1128 / JSCE-F 513 standards. ● Registered product in the Ministry of Land, Infrastructure, Transport and Tourism's New Technology Information System "NETIS" (Registration Number KK-050023-V).
Inquire About This Product
basic information
■Product Composition: - Main device (digital air meter, scale) - Computing device (laptop, mini printer) - Duralumin case (2 units) - Accessories - Documents *For detailed specifications, please download the catalog or feel free to contact us. We also have information available on the product introduction page of our website.
Price information
Please contact us.
Delivery Time
※Please contact us.
Applications/Examples of results
For more details, please contact us or download the catalog.
Detailed information
-
The measurement data is transmitted via Bluetooth. Both mass and air volume measurement data are sent to the PC through the communication unit, eliminating the hassle and errors of manual input. Additionally, with reliable Bluetooth communication, there is no worry about communication interruptions in any environment.
-
Compactly designed scale The scale, which is a mass measurement unit, has a compact design, making it easy to carry around on-site. Additionally, it is powered by four AA batteries, allowing for convenient use.
-
The air meter section is also user-friendly. The lid of the air meter has a special structure that allows for easy water injection. Additionally, the container and lid are equipped with a one-touch fastener, making it easy to secure firmly. The container is made of aluminum alloy, making it lightweight and durable.
-
Complete accessories All the necessary small instruments for measurement are included, so you can use it right away. (Accessories) Pushing rod / Hand shovel / Hammer / Drain pipe / Water supply tools / Seal rod / Dropper / Concrete filling hat / Air pump / Air calibration syringe
catalog（1）
Download All Catalogs
Company information
Marui is promoting the development of new testing equipment and the automation of testing devices through the introduction of cutting-edge technology, and has released the automatic pressure testing machine "Hi-ACTIS-2000," a concrete freeze-thaw testing device, and the specimen polishing end face finishing machine "Haikenma Tsuru Tsuru." Additionally, the simple ground bearing capacity measuring device "Caspole," developed through joint efforts of government, academia, and industry, is also a significant achievement. To continue advancing as a comprehensive testing machine manufacturer that creates an environment for the 22nd century, and to meet our customers' expectations, we will continue to make further efforts.