product description This product is suitable for measuring the early age shrinkage and expansion deformation of concrete or mortar inside corrugated pipes as well as the shrinkage and expansion of concrete or mortar under unconstrained conditions. The product is equipped with electric eddy current sensor, 8-inch embedded Linux industrial tablet touch screen operation, 21 calibration points, and a measurement accuracy <2µm. Options for 6 or 12 specimen are available. technical parameter
1. test group
2 groups, 3 groups, 4 groups
2. sensor type
electric eddy current
3. displacement range of measurement
≥3mm
4. instrument measurement accuracy:≤1µm 5.minimum testing interval:1 minute 6.calibration points:≥21 points 7.color touch screen:8-inch industrial screen 8.data storage method:IC card 8G,USB flash drive 8G 9.test stand material:304 stainless steel 10.data display:curve graphs, lists 11.power outage reboot:data automatically recover from memory,testing resumes 12.digital sensor:equipped with digital temperature and humidity sensor interface 13.data backup:UUSB flash drive upload to computer analysis software 14.analysis software:exporting excel files and graphs standard configurations 1.non-contact corrugated pipe shrinkage and expansion tester mainframe (1) 2.electric eddy current sensor (3pcs per group) 3.corrugated pipe bracket (3 pcs per group) 4.test-use corrugated pipe (3pcs per group) 5.8G USB flash drive (1)