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Xiangtan Huafeng Instrument Manufacturing Co., Ltd
Concrete thermal physical parameter measuring instrument
NegotiableUpdate on 05/06
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Overview
1、 Overview: The thermal properties of concrete have a significant impact on engineering quality, and accurate determination of the thermal properties of concrete is one of the key factors in building engineering quality. The concrete thermophysical parameter measuring instrument produced by our company is a test device used to measure the adiabatic temperature rise, specific heat, thermal conductivity, thermal conductivity, linear expansion coefficient of concrete, and the integrated testing of its own volume change rate. Implement GB-T 50081-2019 Standard for Testing Methods of Physical and Mechanical Properties of Concrete and JG/T329-2011 "Determination of Thermal Physical Parameters of Concrete"; D/t5150-2017
Product Details
2、 Main technical parameters
1Temperature range: 0～100℃ ；
2Temperature rise measurement error: ≤±0.1℃ ；
3Resolution:0.01 ℃ ；
4Tracking accuracy: 0.05 ℃ ；
5Deformation measurement: Resistance strain gauge distance measurement:250mmThe measurement accuracy is0.1%ME ；
6. Sample bucket volume:50 L；
7Range of thermal conductivity:0.01- 10W/m.K；
8. Measurement range of specific heat parameters:0.5—5.0KJ/(Kg.k)；
9. Specific heat and thermal conductivity test piece200 mm×H400 mmThe cylindricity has a diameter of40mmThrough-hole;
10. The temperature range of the water in the test chamber is10℃～80℃, with a heating rate of0.5℃/min～l.0℃/minTest water tank power supply: three-phase four wire（ATheBTheCTheN） ；
11. The process of measuring the specific heat of concrete samples, the uniform distribution of temperature field in the heating bucket, and online temperature calibration functions;
12This machine realizes the measurement and testing of concrete thermal physical parameters, which are divided into the following categories:6Module:1Adiabatic temperature rise test2Specific heat test3Thermal conductivity test4Thermal conductivity test5Linear expansion test6Integrated testing of self volume change rate. Connect computer systems to achieve real-time detection and control, while each module can also work independently;
13The software has a fully Chinese operating interface, displaying experimental process curves, automatically storing data, and outputting and printing experimental reports;
14Instrument power: less than8KW；
15Equipment power supply: three-phase four wire system（ATheBTheCTheN）+Each individual module is powered by:AC220VThe50Hz；
16Land area length and width:5500×1000（mm）+ 2000×1000（mm）.
3、 Product Structure Introduction
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. Some heating techniques ensure that the temperature field inside the heating barrel is evenly distributed. Adiabatic measurement cycle:7Oh my god14Oh my god21Oh my god28Select according to user needs, monitor and display in real-time, intuitive and accurate. Adopting loop tracking, with high tracking accuracy and fast response speed.
structure:Circular structure, uniform temperature, automatic measurement and control, easy operation.. Remote online service: with technology. Our customer service personnel maintain through the internet. Assist in solving difficult problems and regularly upgrade software.
The temperature probe is imported PT100 to improve the accuracy of temperature measurement.
The output end adopts a new type of contactless switch device,It has high reliability, long lifespan, 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, and the control accuracy is0.01°, adjust PID parameters through software self-tuning to ensure correct tracking accuracy.
The independently developed industrial control software is easy to operate and maintain. Software adoptionVisual Basic6.0 development, real-time data storage, intuitive interface, easy operation, and remote maintenance.
adoptRS-232CStandard serial communication, capable of synchronously collecting experimental data. The storage database isExcelThe form is easy to handle.
The device can also run independently without a computer.
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