Crack Monitor 3 Pieces Acrylic Angle Revealing Device Measuring Instrument

[Premium Acrylic Material] This crack monitoring folder is made of high quality acrylic material, sturdy and can be used repeatedly. It is waterproof, sun-resistant, wear-resistant and scratch-resistant. It is easy to install and intuitive to read.
[Precision Instrument] Crack monitoring gauge adopts advanced technology, perfect for tracking the horizontal and vertical movement of cracks on flat surfaces. This precision instrument can ensure reliable detection and monitoring of changes in crack width or length over time.
[Purpose]This crack monitoring gauge is designed to monitor cracks in walls and their development over time.The instrument consists of a graduated plate and an indicator plate, a graduated plate (with scales in horizontal and vertical directions) and an indicator plate (one or two crossed indicator lines).
[Widely used] crack measuring and recording instrument is widely used to observe the opening and closing of cracks and misalignment on the surface of various buildings. It can also monitor the relative displacement between two points in horizontal and vertical directions.
Parts List:3 pairs of crack monitoring records.12xScrews.3xMonitors.Description:Crack monitoring record is designed to monitor cracks in walls and their evolution over time. It is made of acrylic material, waterproof and sun-proof.It is reliable to monitor and easy to read.

Feature:
Waterproof device: This crack monitoring log is waterproof and easy to install. It can be used to monitor changes in the width or length of cracks over time.
Reliable to use: This crack monitoring gauge can be used to observe the opening and closing of cracks and misalignment on the surface of various buildings. Its operation is reliable.
Specification:
Product name: Crack monitoring record
Measuring range: -30 - +30 mm
Resolution: 1 mm
Measuring accuracy: ±1 mm
Ruler size: 100x30 mm
Purpose: Can be used to monitor wall deformation/cracks
Material: Acrylic
Color: as shown

Package contents:
1set *Crack monitoring record
Notes:
1.There may be slight differences between and the actual color of the product. We will do best to show you the exact color.
2. Please allow dimension difference due to manual measurement.

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The allowable measurement error is +/- 1-3 cm.