Product Introduction: In important projects such as large buildings, roads and bridges, dams, reservoirs, and cofferdams, the thermal properties of concrete have a significant impact on the quality of the project. Accurate measurement of the thermal properties of concrete is one of the key factors in the quality of construction projects. Our company has manufactured a series of concrete thermal characteristic testing equipment according to the design, which is an indispensable instrument and equipment for various hydraulic laboratories and related testing units.

Product use: The concrete thermophysical parameter measuring instrument is a multifunctional testing device used to measure the adiabatic temperature rise curve of concrete, the specific heat capacity parameters of concrete, and the reproduction of a given concrete curing temperature.

Execution standard: JG/T 329-2011 "Concrete Thermophysical Parameter Tester"

Applicable standard: D/t5150-2001 "Test Code for Hydraulic Concrete"

SL 352-2006Test Code for Hydraulic Concrete

Application areas: colleges and universities, research institutions, testing units, as well as concrete construction units such as buildings, roads and bridges, dams, reservoirs, and cofferdams.

★ Online temperature calibration: With unique technology, the calibration instrument is simple and the accuracy is improved by more than 3 times.
★ Separation of adiabatic testing from other thermal characteristic parameter testing: It can be tested separately to improve testing efficiency, reduce mutual interference, save work time, and facilitate random testing by users.
★ Unique heating technology: ensuring uniform temperature distribution inside the heating barrel.
★ Insulation testing cycle: 7 days, 14 days, 21 days, 28 days can be selected according to user needs. If the user requires testing beyond 28 days, additional content can be negotiated with the company.
★ Real time monitoring: Fully automatic real-time display of data and curves, intuitive and accurate.
★ Adopting circulating air tracking: high tracking accuracy; Fast response speed.
Unique structure: circular structure, uniform temperature, automatic measurement and control, easy operation.
★ Equipped with UPS uninterruptible power supply.
★ Remote online service: Unique technology. Our customer service personnel maintain and repair through the internet; Assist in solving difficult problems; Regularly upgrade software.

The control core adopts Japanese PLC and temperature expansion module, integrated design, which can effectively reduce interference and improve equipment stability. Convenient for maintenance.

The temperature probe is AA grade PT100, which improves the accuracy of temperature measurement.

The output terminal adopts a new type of contactless switch device, which has high reliability, long life, low noise, fast switching speed, strong anti-interference ability, and improves the service life and safety of the equipment.

The control method is PID control, with a control accuracy of 0.02 °. The PID parameters are adjusted through software self-tuning to ensure tracking accuracy.

★ Independently developed industrial control software, easy to operate and maintain. The software is developed using Visual Basic6.0, with real-time data storage and the ability to continue after power failure. The interface is intuitive, easy to operate, and can be remotely maintained.

★ Adopting RS-232C standard serial communication, it can synchronously collect experimental data. Storing the database in Excel format is easy to handle.

The device can run independently without a computer.

adiabatic temperature rise

1. Temperature control range: O ℃~100 ℃

2. Temperature rise measurement error ≤± 0.1 ℃

3. Resolution: 0.01 ℃

4. Tracking accuracy: 0.1 ℃
5. Sample bucket volume: 50 L (0.05m3) (specimen weight approximately 150kg)
6. Power supply voltage: 380V ± 38 V, frequency 50 Hz ± 0.5 Hz

7. Measurement range of specific heat parameters: 0.5-5.0 kJ/(kg × k)

8. Tracking accuracy: ≤ ±0.1 ℃
9. Test piece: A cylindrical specimen of ￠ 200 mm H400 mm with a ￠ 40mm through-hole inside

Thermal diffusivity parameter

The temperature range of the water in the test chamber is 10 ℃ to 80 ℃, and the heating rate is 0.5 ℃/min to 1.0t/min.

During the entire process of measuring the thermal diffusivity of the sample, the water temperature variation in the test chamber is ≤ ± 1 ℃, and the water temperature variation during the stable thermal diffusion stage is ≤ ± 0.5 ℃.

Hot wire expansion parameter

The temperature range is 10 ℃ to 80 ℃, and the heating rate is 0.5 ℃/min to 1.0 ℃/min. Measurement accuracy: 1μm
2. Test piece size: a cylindrical body with a diameter of 200mm and a height of 400mm

3. Number of test specimens: 1

During the constant temperature period, the water temperature inside the test chamber fluctuates by ≤± 0.1 ℃.