Johnson Level & Tool Mfg. 40-6639 - Manual (Page 11)

©2012 Johnson Level & Tool 11
Detector Usage (included in Model Nos. 40-6638 & 40-6639)
1. Technical Specifications
Detecting Accuracy: 0.019” ≤ 50 ft. (0.5mm ≤ 15m)
0.039” ≤ 100 ft. (1mm ≤ 35m)
0.059” ≥ 100 ft. (1.5mm ≥ 35m)
Automatic Shut-off: 6 minutes
Power Supply: 9V battery
Sound Indicator: fast tone, double tone and solid tone
LCD: Up arrow, Down arrow, Center sign
LED Indication: Up, Middle, Down
Dimensions: 5.905" x 2.992" x 1.142" (150 x 76 x 29mm)
Weight: 0.386 lb. (0.175kg)
Others: Rain and dust resistant
2. Components
With this laser detector, a line generated pulsed Johnson ® laser can
be used both indoors with bright light and/or outdoors in the
sunlight where the beams are not visible.
6249H_Manuals 10/18/12 2:49 PM Page 11