Owner's manual

14 ©2007 Johnson Level & Tool
Technical Specifications
Detecting Distance ≥164 ft (50m) 0
≥98 ft (30m) 45
Detecting Frequency 8KHz-12KHz
Detecting Accuracy 0.019" ≤ 49 ft. (0.5mm ≤15m)
0.039" ≤ 114 ft. (1mm ≤35m)
0.059" ≥ 114 ft. (1.5mm ≥35m)
Timed Power-off 6 minutes
Working Voltage DC 9V
Sound Function: Single short alarm
double short alarm
long alarm
LCD Upward arrow
downward arrow
centered sign
LED Indication Up, middle, down
Size 5.905" x 2.992" x 1.142" (150 x 76 x 29mm)
Weight 0.386 lb. (175g)
Dust and rain resistant