1, feeler
Function: gap size detection
Insert the head of the feeler gauge into the gap, insert it tightly, and then withdraw. The scale of the stroke is the size of the gap and check whether they meet the requirements.
2, tape measure
Function: measure the house's net height, net width and other dimensions.
The tape measure is a commonly used tool in daily life. It is mainly used to measure the net height, net width, cabinet size, etc. of the house during inspection. Check whether the reserved space is reasonable and whether the size of the cabinet is the same as the original design.
3, square feet
Function: Inside and outside right angle detection
Auxiliary function: Perform vertical and horizontal detection, and check whether the door and window corners are 90 degrees.
The square rule is mainly used to detect whether the corners of doors, windows and doors are at right angles. When using, just put the square rule on the corner of the corner or the inner corner of the door and window to see whether the two sides match the two sides of the ruler.
4, vertical detection ruler
Function: verticality detection, level detection, flatness detection.
The vertical inspection ruler is the most frequently used detection tool in home improvement supervision. It is used to detect whether the wall surface, the tile is flat and vertical, and whether the floor keel is horizontal and flat.
5, diagonal inspection ruler
Function: Detect the deviation of the length of two diagonals of a square object.
Place the ruler on the diagonal of a square object to measure it.
6, test hammer
Function: hollow detection
This small metal hammer, which can be retracted freely, is designed to test the hollow condition of the wall and the ground. It is judged whether there is hollowing in the wall surface by the sound of the hammering.
7, magnetic pen
Function: detecting steel liner
This seemingly pen-like tool has a magnet inside it that is highly magnetic and designed to test whether there is a steel liner inside the door or window. Because the interior of the qualified plastic steel window is supported by the steel liner, it can keep the door and window from being deformed. If there is a steel liner inside the door and window, the magnet pen can be absorbed tightly.
8, test socket
Function: Detect circuit line sequence
The test socket is an indispensable tool for testing whether the line sequence in the circuit is normal. There are three indicators on the socket, indicating neutral, ground, and fire wires from left to right. When the two right lights are on at the same time, it means that the circuit is normal. When all three lights are off, it means there is no phase line in the circuit; only the middle light is on when the ground is missing; only the right light is on, it means there is no zero. line.
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