200mm 300mm stainless steel Digital Protractor Angle Ruler Electron Goniometer Angle Finder Meter Angle Gauge Measuring Tools

Characteristic and Function

1.2-in-1,to measure both legnth and angle
2.Easily operation with three function keys
3.Stainless steel scale achieve durable using
4.Quick display of the measured value on big LCD screen
5.Fastening screw to fix the measuring angle in any position
6.Both measure the angle and length,metric and inch display
7.Compact structure to achieve convenient carrying and using
8.Easing drawing line with the stainless steel ruler
9.It could be well used into various field instead of angle rule straight ruler and square etc

Technical Parameters

Measuring range:  0-360°  Length:200/300mm
Resolution:0.05°
Accuracy: ±0.3°
Battery: 3V CR2032 battery (Not included)
Working temperature:  0°C-40°C
Working humidity :80%
Material :stainless steel

NOTE :There are three type angle ruler

5322 and 5522 are same button function(ON/OFF/ZERO,HOLD,°/’)，with angle/slope conversion function

5422 button:(ZERO,HOLD/Rev,ON/OFF),with reversible screen display function