ประกับเพลาแบบมุม PT180 โปรแทรกเตอร์แบบทั่วไปกล่องระดับ 360 องศาแบบดิจิตอลขนาดเล็ก เครื่องมือวัดตัวทดสอบความเอียงโพรแทรกเตอร์

 PT180 Angle Protractor Universal Level Box 360 Degree Mini Digital Protractor Inclinometer Tester Measuring Tools

Features:

Clear illuminated LCD display with automatic backlight
Magnetic base 
Simple operation by just 3 buttons
Absolute & relative measurement 
Zero set to any position to find the relative angle between 2 planes
See-saw figure on the display to show the tilted direction
No Temperature drift
Auto power off function
Handy easy to carry anywhere
Pre-calibrated at the factory

Applications:

Setting pitch angles for helicopters, adjusting the blade angle of miter saws, table saws and circular saws, setting up the tool settings on lathes, assessing drainage angles and run off slopes, and aligning graders and tractors.

Parameter:

Accuracy: 0° and 90° : ±0.1°, the rest : ±0.2° 
Resolution: 0.1° 
Working Range: 4 x 90° 
Power Supply: 2 x AAA battery 
Working Temperature: 32ºF to 122ºF (0 ºC to 50 ºC) 
Working Humidity: ≤85%

Features:

ABS: Indicates that the level is working in absolute angle mode 
REF: Indicates that the level is working in relative angle mode 
ZERO KEY: Switch ABS / REF modes 
UNIT KEY: Switch Degree/% units 
%: Percentage of slope conversion 
Erro: Warning of the vertical axis deviation