The simplest, quickest, and most accurate measuring device for measuring unit water volume on-site. NETIS registered product: KK-050023-A.
It can be measured directly without screening the fresh concrete, allowing for quick measurements. The measurement unit and the operating computer communicate wirelessly, making it suitable for field measurements. The measurement method complies with the Civil Engineering Research Institute's air meter method. Registered equipment under the "New Technology System for Public Works" by the Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism.
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basic information
Product Code: 20454 *Please provide this number when making inquiries for a smoother process.* ***Features*** - Measurement time: 3 minutes. - Sample weight: 12 kg. - Measurement accuracy: ±5 kg/m3. - No need for wet screening work. - Estimated at ±5 kg/m3 based on a unit water volume conversion of 170 kg/m3. - Simultaneous measurement of unit water volume and air volume. - Completely unaffected by the salt and iron content of aggregates. - Compatible with both high-strength and normal concrete. - Data transmission between units is wireless (using ultra-shortwave and infrared). - Registered equipment with the Ministry of Land, Infrastructure, Transport and Tourism, Kinki Regional Development Bureau, Kinki Technical Office under the "New Technology System for Public Works." NETIS Registration Number: KK-050023-A.
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Applications/Examples of results
***Summary*** Concrete has entered an era where the limit values for water-cement ratios are specified according to durability performance requirements. As a result, the development of reliable unit water measurement devices has been desired. Wet screening methods for measuring moisture in mortar have already been released, including vacuum drying methods, capacitance methods, and microwave drying methods. However, Marui's unit water meter has been developed with a focus on estimating unit water content from a large sample of 15 kg of fresh concrete. Waiting for mixed fresh concrete to conduct tests, as done traditionally, lacks the speed needed for result determination and can lead to confusion. Therefore, Marui aimed for a measurement time of about 3 minutes, with performance capable of instantly displaying information within ±5 kg/m3 for unit water content. Additionally, since the unit water content can vary significantly with the amount of air in fresh concrete, a high-precision air content measurement device has also been newly developed.
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KK-050023-A Ready-mixed Concrete Unit Water Meter W Checker Rental
Company information
Rex Co., Ltd. primarily focuses on the rental of measuring instruments, surveying equipment, weighing devices, and inspection machinery, providing broad support for issues related to measuring instruments through four service offerings: [Rental] [Calibration] [Sales] [Technical Proposals]. ■ Rental - A rich lineup of 2,000 models and 27,000 units, with numerous products available across various industries. - We can propose suitable products based on your requests and ensure the fastest shipping of inspected products. ■ Calibration - We have calibration experience with a diverse range of models, regardless of the manufacturer! One-stop and comprehensive support from calibration to repair is available. - By strengthening our facilities and expanding our unique network, we achieve satisfactory prices, delivery times, and quality. ■ Sales - Unusually, price negotiations are possible in our online shop! We also have many sales records for products not listed on the site. - In response to customer requests, we have started selling used products, which has become a well-received service. ■ Technical Proposals (NETIS and Construction ICT System Proposals) - We assist with creativity and innovation using system products and NETIS registered items! We also gather information on new technologies. - Even for products not listed, we can customize them according to customer requests and site conditions.
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