Compensated concrete shrinkage and expansion rate measuring instrument compensated shrinkage and expansion rate wholesale price

Type B compensated concrete shrinkage and expansion rate measuring instrument compensated shrinkage and expansion rate wholesale price
Precautions for price of compensated concrete shrinkage and expansion rate measuring instrument
. The instrument should be placed on a flat workbench with reliable support .
. The standard rod must be handled with care, and the spherical surfaces at both ends must not be damaged or bent.
. The dial indicator is a precision component. The test piece should be placed and taken out gently and carefully, and do not collide with the gauge stem. The box should be removed after use. Check the battery power in time. When there is a digital error or failure to clear, the battery of the same type should be replaced in time. Instrument oil on the gauge stem.
. After each use of the concrete shrinkage and expansion meter, a small amount of lubricating oil should be applied to the non-painted surface to prevent dust.
Price structure and performance of compensated concrete shrinkage and expansion rate measuring instrument
This instrument consists of a base, legs, standard rod, dial indicator, etc. see Attachment.
.The base has a groove structure, which has the advantages of good centering and easy placement of test blocks. It is used to place test blocks and standard rods.
.The legs have a hinge structure. When the legs are raised, the instrument can maintain an inclination angle on the platform. When not in use, it can be stowed away for easy placement.
.The standard rod is the standard length of the instrument and is used to calibrate the instrument and locate the position of the dial indicator.
Main technical indicators of the price of the compensated concrete shrinkage and expansion rate measuring instrument
Measuring range standard rod length.
Dial indicator range. Trial mold specifications
Dimensions and weight
Compensation concrete Shrinkage and expansion rate measuring instrument price and operation
. Place the instrument and standard rod in the measuring room at ℃ and ℃ one hour before use. Raise the legs.
. Before measuring, use the standard rod and the frame plate to correct the length in the groove, loosen the dial indicator tightening screw, adjust the dial indicator position, make the end face of the measuring head lightly touch the standard rod ball head, and tighten the tightening screw. Screws to secure the dial indicator. Clear the dial indicator and move out of the standard rod.
.The placement method of concrete specimens is similar to that of standard rods.
.The production, maintenance, measurement and calculation of concrete specimens can be carried out in accordance with the relevant provisions or appendices of Standard B "Technical Specifications for the Application of Concrete Admixtures".
Introduction to the main structure of the Compensated Concrete Shrinkage and Expansion Rate Measuring Instrument
. This instrument consists of a base, legs, standard rod, dial indicator, etc.
Compensated concrete shrinkage and expansion rate tester price analysis and explanation:
The limited expansion rate of compensated shrinkage concrete does not mainly depend on the water-cement ratio like the strength, but is most closely related to the unit expansion agent dosage. Roughly proportional. In the past, the percentage dosage was simply used to determine the amount of expansion agent. When the concrete strength level was low or the amount of cement was small, the scientific method was to determine the expansion rate through the mix ratio test based on the limited expansion rate required by the design, using the actual raw materials of the project. It is the recommended dosage range for convenient testing. Research shows that most shrinkage-compensating concrete expansion agent dosages are within this range. In actual applications, due to differences in the quality of the expansion agent, the recommended value in the table may exceed the value. In this case, the test results should prevail.
. The base has a groove structure, which has the advantages of good centering and easy placement of test blocks. It is used to place test blocks and standard rods.
. The legs have a hinge structure. When the legs are raised, the instrument can maintain an inclination angle on the platform. When not in use, it can be stowed away for easy placement.
. The standard rod is the standard length of the instrument and is used to calibrate the instrument and position the dial indicator.