Johnson 40-6519 - Page 12

12 ©2017 Johnson Level & Tool - Rev. 1
1. Technical Specifications
Detecting accuracy ±1.5mm (<50m) ±2.5mm (>50m)
Turn-off timer 6 min ±1min
Power 2 “AAA” Batteries
Battery life 45 hours of continuous use
Sound function Short sound and solid sound
LED indication Upper red, middle orange,
middle green, down red
Size 4.645” x 2.637” x 0.984”
(118mm x 67mm x 25mm)
Weight 0.253 lbs. (115g)
Detector Usage
2. Components
(a) Structure
1) Holding Cord
2) Signal Indicator
3) Horn
4) Horizontal Vial
5) Detecting Window
6) Reference Front Marker
7) Power Key
8) Reference Back Marker
9) Connection Port
10) Battery Door
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