{"product_id":"concrete-slab-tester","title":"Concrete Slab Tester","description":"\u003ch2\u003eConcrete Slab Tester\u003c\/h2\u003e\n\u003cp\u003eThe Concrete Slab Tester is designed for freeze-thaw testing of concrete specimens under controlled conditions, including freezing in air and thawing in air or water. The system complies with various European and international testing standards and features significantly increased cooling capacity for efficient temperature control.\u003c\/p\u003e\n\u003cp\u003eIn addition to concrete, the tester is suitable for evaluating natural stone and tile adhesives under freeze-thaw conditions. Optional features include an internet connection for remote access and data management, as well as a flooding mechanism for controlled water application during testing.\u003c\/p\u003e\n\u003ch2\u003eTest Procedure for the EU Standard Concrete Slab Test\u003c\/h2\u003e\n\u003cp\u003eThe standard test requires four specimens prepared from four concrete cubes. After 21 days, a 50 mm thick specimen is cut from each cube perpendicular to the top surface. The test surface is positioned at the center of the cube to ensure consistent specimen preparation.\u003c\/p\u003e\n\u003cp\u003eEach specimen measures 15 × 15 × 5 cm. After 25 days of concrete aging, a rubber sheet is bonded to all surfaces except the designated test surface. At 28 days, demineralized water with a depth of 3 mm is applied to the test surface and maintained for 72 hours.\u003c\/p\u003e\n\u003cp\u003eAfter 31 days, all surfaces except the test surface are thermally insulated using 20 mm thick polystyrene foam. The demineralized water is then replaced with the specified freezing medium, and the test surface is covered with a polyethylene sheet.\u003c\/p\u003e\n\u003ch3\u003eFreeze-Thaw Cycle\u003c\/h3\u003e\n\u003cp\u003eOne complete freeze-thaw cycle takes 24 hours. During each cycle, the temperature must remain above 0°C for at least 7 hours and no more than 9 hours.\u003c\/p\u003e\n\u003cp\u003eThe reference temperature is measured at the center of the test surface. Depending on the target temperature, the permitted variation can range from ±2.5 K to ±5 K, as illustrated in the corresponding test diagram.\u003c\/p\u003e\n\u003ch2\u003eMeasuring Surface Scaling\u003c\/h2\u003e\n\u003cp\u003eSurface scaling is evaluated at defined intervals of 7, 14, 28, 42, and 56 days. At each measurement point, the scaled material is removed from the specimen surface using brushing, and its weight is measured.\u003c\/p\u003e\n\u003cp\u003eThis testing process provides quantitative data for assessing the freeze-thaw resistance and surface durability of concrete, natural stone, and tile adhesive materials.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/graph-slab.webp?v=1788950674\" alt=\"Concrete Slab Tester\"\u003e\u003c\/p\u003e\n\u003ch2\u003eStandards\u003c\/h2\u003e\n\u003cp\u003eThe Slabtester is designed for freeze-thaw, scaling, thermal cycling, and durability testing in accordance with a broad range of European, international, Swiss, ASTM, ISO, and national standards. Depending on the selected test method, additional options or accessories may be required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSIA 262\/1:2013-08; SN 505262\/1:2013-08 — Concrete Structures – Supplementary specifications, Appendix C. Covers freeze-thaw resistance of concrete classes XF2(CH), XF3(CH), and XF4(CH).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eASTM C666-03 (2008), Procedure B — Standard Test Method for Resistance of Concrete to Rapid Freezing and Thawing. Requires option C0108 for thawing in water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eASTM C672 \/ C672M-12 — Standard Test Method for Scaling Resistance of Concrete Surfaces Exposed to Deicing Chemicals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eASTM C1262-10 — Standard Test Method for Evaluating the Freeze-Thaw Durability of Dry-Cast Segmental Retaining Wall Units and Related Concrete Units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 1338 — Concrete Paving Blocks – Requirements and Test Methods; German version EN 1338:2003.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 1339 — Concrete Paving Flags – Requirements and Test Methods.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 1340 — Concrete Kerb Units – Requirements and Test Methods.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 1348:2007-12-31 — Withdrawn and replaced by EN 12004-2:2017-05. Covers determination of tensile adhesion strength for cementitious tile adhesives. Requires option C0108 for thawing in water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 12004-2:2017-05 — Adhesives for Ceramic Tiles – Part 2: Test Methods. Requires option C0108 for thawing in water. Specimens are frozen to -15°C within 2 hours, held at this temperature for another 2 hours, and then thawed in +15°C water for 2 hours. After 25 cycles, tensile adhesion strength is measured.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 1367-1:2007 — Tests for Thermal and Weathering Properties of Aggregates – Determination of Resistance to Freezing and Thawing. Requires option C0108 for thawing in water. The minimum air temperature is -22°C, while the temperature inside the can ranges from -15°C to -20°C for at least 4 hours. Cooling performance depends on the heat capacity and thermal conductivity of the specimen, water, and cans. Required cans are seamless stainless-steel containers with lids, Order Code C0665S.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 1367-6:2008 — Tests for Thermal and Weathering Properties of Aggregates – Determination of Resistance to Freezing and Thawing in the Presence of Salt (NaCl). The flooding option C0108 is not required. Seamless stainless-steel cans with lids are required, Order Code C0665S.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCEN\/TS 12390-9:2006 — Testing Hardened Concrete – Freeze-Thaw Resistance – Scaling, Method 1: Reference Method.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 12091:2013 — Thermal Insulating Products for Building Applications – Determination of Freeze-Thaw Resistance. Requires option C0108 for thawing in water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 12371 — Natural Stone Test Methods – Determination of Frost Resistance. Requires option C0108 for thawing in water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 12467:2012-12 — Fibre-Cement Flat Sheets – Product Specifications and Test Methods, Chapter 7.4. Requires option C0108 for thawing in water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 12808-3:2009-01 — Grouts for Tiles – Determination of Flexural and Compressive Strength. Requires option C0108 for thawing in water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eISO\/DIS 13007-2.2 — Ceramic Tiles – Adhesives – Part 2: Test Methods for Adhesives. Requires option C0108 for thawing in water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 13383-2 — Armourstone – Part 2: Test Methods. Requires option C0108 for thawing in water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 13687-3:2002 — Products and Systems for the Protection and Repair of Concrete Structures – Test Methods – Determination of Thermal Compatibility – Thermal Cycling Without De-Icing Salt Impact. Requires option C0108 for thawing in water. The inner vessel can accommodate up to four specimens measuring 30 × 30 × 5 cm, with a 10 cm spacing between specimens when positioned vertically.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 14891:2013-07 — Liquid-Applied Water-Impermeable Products for Use Beneath Ceramic Tiling Bonded with Adhesives – Requirements, Test Methods, Evaluation of Conformity, Classification, and Designation. Requires option C0108 for thawing in water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCEN\/TR 15177:2006 — Testing the Freeze-Thaw Resistance of Concrete – Internal Structural Damage. Requires an instrument for measuring internal structural damage, such as the Vikasonic. When using beams measuring 100 × 100 × 400 mm, option C0108 is also required for thawing in water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDIN V 18004 — Use of Building Products in Construction Works – Test Methods for Aggregates according to DIN V 20000-103 and DIN V 20000-104.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eONR 22303:2010 09 01 — Test Methods for Concrete – National Application of Testing Standards for Concrete and Its Source Materials.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 772-22:2019 — Methods of Test for Masonry Units – Part 22: Determination of Freeze\/Thaw Resistance of Clay Masonry Units. Supports specimens up to 58 × 58 cm² and requires options C0108 and C01085.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eConcrete Slab Tester Features\u003c\/h2\u003e\n\u003cp\u003eThe Concrete Slab Tester features a temperature- and time-controlled refrigeration and heating system supported by three fans for efficient air circulation throughout the test chamber. The inner and outer surfaces are constructed from stainless steel, providing a durable and easy-to-maintain testing environment.\u003c\/p\u003e\n\u003cp\u003eThe system uses R290 refrigerant, an environmentally friendly refrigerant with a very low Global Warming Potential (GWP). This helps provide efficient temperature control while reducing the environmental impact of the refrigeration system.\u003c\/p\u003e\n\u003ch3\u003eProgrammable Freeze-Thaw Testing\u003c\/h3\u003e\n\u003cp\u003eThe testing chamber supports controlled freezing and thawing of specimens with up to 8 freely programmable temperature profiles. Common testing standards, including EN 1340 and EN 12390-9, are available as pre-set profiles and can be adjusted according to testing requirements.\u003c\/p\u003e\n\u003cp\u003eTwo temperature sensors are included and can be positioned at different locations inside the chamber. For example, one sensor can monitor the specimen surface temperature, while the other can measure the temperature at the bottom of the specimen.\u003c\/p\u003e\n\u003ch3\u003eGraphical Touchscreen Display\u003c\/h3\u003e\n\u003cp\u003eA graphical touchscreen display provides a clear overview of the test conditions and shows:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSet temperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSpecimen temperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChamber air temperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCooling unit temperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAll temperature measurements are recorded internally, allowing test data to be transferred to a USB memory stick for storage, analysis, and documentation.\u003c\/p\u003e\n\u003ch3\u003eNetwork Connectivity and Remote Control\u003c\/h3\u003e\n\u003cp\u003eThe Concrete Slab Tester includes a network interface for convenient remote monitoring and control through a local network. No additional software is required. Users can access the Slabtester by opening a standard web browser and entering the device's network address.\u003c\/p\u003e\n\u003cp\u003eTemperature profiles can also be configured from a PC, while recorded temperature data can be viewed as graphical charts directly in the browser. Test data can be exported to Microsoft Excel for local backup and further analysis.\u003c\/p\u003e\n\u003ch3\u003eLocal Data Storage\u003c\/h3\u003e\n\u003cp\u003eTest data is stored locally on the system, allowing users to manage and retain measurement records without requiring external internet access. This setup supports convenient data management while keeping testing information within the local system.\u003c\/p\u003e\n\u003ch3\u003eIncluded Accessories\u003c\/h3\u003e\n\u003cp\u003eThe Concrete Slab Tester is supplied with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e4 shelves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElectronic controller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNetwork cable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUSB memory stick\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUser manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/sab.webp?v=1788950771\" alt=\"Concrete Slab Tester\"\u003e\u003c\/p\u003e\n\u003ch2\u003eOptional Features for Concrete Slab Tester\u003c\/h2\u003e\n\u003ch3\u003eFlooding Option\u003c\/h3\u003e\n\u003cp\u003eThe Flooding Option C0108 adds controlled water flooding for freeze-thaw testing. A removable stainless-steel inner container, measuring approximately 50 × 60 × 48 cm (W × D × H), is installed inside the test chamber. A second container positioned outside the chamber houses the pump and heating unit.\u003c\/p\u003e\n\u003cp\u003eDuring the freezing stage, the inner container remains empty. During thawing, temperature-controlled water is pumped from the external container into the inner vessel, where it remains throughout the thawing period. Once thawing is complete, the water is drained back into the external container.\u003c\/p\u003e\n\u003cp\u003eThe flooding and draining times can be freely programmed, allowing the system to accommodate different freeze-thaw test procedures.\u003c\/p\u003e\n\u003cp\u003eWith this option, the Slabtester is suitable for testing natural stone according to EN 12371, aggregates according to EN 1367-1, tile adhesives according to EN 1348:2007, and other applicable standards listed above.\u003c\/p\u003e\n\u003ch3\u003eCirculating Flooding Option\u003c\/h3\u003e\n\u003cp\u003eThe Circulating Flooding Option provides functionality similar to the standard Flooding Option C0108, while using slightly larger inner and outer vessels.\u003c\/p\u003e\n\u003cp\u003eThe inner vessel features an overflow system and is filled from the bottom. Water exits through the overflow positioned below the upper edge of the vessel, maintaining controlled water circulation during thawing.\u003c\/p\u003e\n\u003cp\u003eDuring the thawing stage, the pump operates continuously. Once thawing is complete, the pump stops and the water flows from the inner vessel back into the outer container.\u003c\/p\u003e\n\u003cp\u003eThe inner vessel includes a convenient drawer mechanism that simplifies specimen loading and removal, making it easier to prepare and manage freeze-thaw tests.\u003c\/p\u003e\n\u003ch3\u003eClay Masonry Unit Testing Option — EN 772-22:2018\u003c\/h3\u003e\n\u003cp\u003eAn additional option is available for freeze-thaw resistance testing of clay masonry units according to EN 772-22:2018.\u003c\/p\u003e\n\u003cp\u003eThis configuration provides automatic water spraying at specified intervals in accordance with the test procedure. The spraying intervals can be freely programmed to match the required testing sequence.\u003c\/p\u003e\n\u003cp\u003eThe maximum test wall size, including the frame, is 58 × 58 cm. This configuration also requires the Natural Stone Option (C0108) and includes a 6 bar air pressure compressor.\u003c\/p\u003e\n\u003ch3\u003eHeat Flow Meter for EN 772-22:2018 Calibration\u003c\/h3\u003e\n\u003cp\u003eA Heat Flow Meter is available for calibrating freeze-thaw tests for clay masonry units in accordance with EN 772-22:2018.\u003c\/p\u003e\n\u003cp\u003eThe heat flow meter is an insulated device designed to extract heat from the central section of the surface exposed during testing. The central area has a matte-black surface and is designed to remove sufficient heat so that, when the surrounding air temperature reaches -15°C, the center of the plate can be maintained at 0°C.\u003c\/p\u003e\n\u003cp\u003eThe system allows the average heat extraction rate to be measured, supporting calibration and verification of the freeze-thaw test conditions for clay masonry units.\u003c\/p\u003e\n\u003ch2\u003eConcrete Slab Tester Technical Specifications\u003c\/h2\u003e\n\u003ctable class=\"table\" border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMains\u003c\/td\u003e\n\u003ctd\u003eV\/Hz\u003c\/td\u003e\n\u003ctd\u003e230V\/1Ph\/50Hz or 115V\/60Hz (option) (110V is also available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003ekW\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Size\u003c\/td\u003e\n\u003ctd\u003ecm (wxdxh)\u003c\/td\u003e\n\u003ctd\u003e70 x 83 x 215, 70 x 91 x 215 with Option C0108\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Size\u003c\/td\u003e\n\u003ctd\u003ecm (wxdxh)\u003c\/td\u003e\n\u003ctd\u003e53 x 65 x 155\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVessel Size (Option C0108)\u003c\/td\u003e\n\u003ctd\u003ecm (wxdxh)\u003c\/td\u003e\n\u003ctd\u003e50 x 60 x 48, volume approx. 144l\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Temperature\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003ctd\u003e-35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Temperature\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003ctd\u003e+40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. number of shelfs\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin. distance between 2 shelfs\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax weight per shelf\u003c\/td\u003e\n\u003ctd\u003ekg\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf size\u003c\/td\u003e\n\u003ctd\u003ecm (w x d)\u003c\/td\u003e\n\u003ctd\u003e53 x 65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003ekg\u003c\/td\u003e\n\u003ctd\u003e169\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Qualitest USA LC","offers":[{"title":"Default Title","offer_id":52967695515959,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/concrete-slab-tester698163873.webp?v=1788950831","url":"https:\/\/qualitest.us\/products\/concrete-slab-tester","provider":"Qualitest USA LC","version":"1.0","type":"link"}