Brief introduction: In a large building, bridge, dam, reservoir, cofferdam important projects, such as the thermal characteristics of concrete for the engineering quality is very big, the influence of concrete thermal characteristics of accurate measurement is one of the key factors of construction engineering quality. Thermal properties of concrete were designed and manufactured by the company in accordance with the test series equipment, is the hydraulic laboratory and related inspection unit indispensable equipment. Tester is a set of concrete thermal physical parameters is used to measure concrete adiabatic temperature rise curve, the heat capacity of concrete parameters, and given concrete curing temperature of the multi-function test device. Features: 1. Online temperature calibration: technology, unique calibration instrument is simple and accuracy increased by more than three times. 2. Unique heating technology: to ensure uniform temperature field distribution in heating the bucket. 3. Real-time monitoring, automatic data and curve real-time display, intuitive and accurate. 4. Adopt circulating air tracking: high tracking precision; Fast response speed. 5. Unique structure: the circular structure, uniform temperature, automatic measurement and control, easy to operate. 6. Equipped with a UPS uninterruptible power supply. 7. Remote online services: 8. Temperature measuring probe for AA PT100, improve the accuracy of temperature measurement. 9. The RS - 232 - c standard serial port communication, synchronization acquisition experiment data. Storage database for Excel form is easy to handle. Technical parameters: Adiabatic temperature rise parameter (1) temperature control range (5 ~ 100 ℃; (2) the temperature resolution: 0.01 ℃; (3) tracking accuracy: 0.1 ℃; (4) the temperature measurement error: plus or minus 0.1 ℃ or less; (5) specimen bucket volume: 50 l (0.05 m3) (specimen weighs about 150 kg); Specific heat coefficient (1) measuring range: 0.5 ~ 5.0) kl/(kg * ℃); (2) tracking precision, plus or minus 0.1 ℃ or less (3) specimens: 200 MMH cylindrical there were 40 mm * 400 mm hole; Thermal diffusivity coefficient () temperature conductivity (1) test the water temperature in the range of: in the cabinet room temperature, 75 ℃, the heating rate of (0.5 1.0) ℃ / min (2) the determination of thermal diffusion process, sample test the water temperature in the cabinet changes value plus or minus 1 ℃ or less and stable thermal diffusion phase value plus or minus 0.5 ℃ or less temperature change
Brief introduction: In a large building, bridge, dam, reservoir, cofferdam important projects, such as the thermal characteristics of concrete for the engineering quality is very big, the influence of concrete thermal characteristics of accurate measurement is one of the key factors of construction engineering quality.
