Johnson Level & Tool Mfg. 40-6544 User Manual
Page 15
©2011 Johnson Level & Tool
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Detector Usage
The 40-6715 (model 40-6529 only) laser detector is an indispensable
accessory when using rotary laser levels. The main function of the
detector is to detect the position of the laser signals that are trans-
mitted by rotary lasers. This detection quickly and precisely provides
the user with the horizontal and vertical references.
This product features high sensitivity, a double-faced display, low
power consumption, good reliability and easy manipulation. It can be
used with most types of rotating laser levels.
1. Technical Specifications
Detecting accuracy:
Fine: ±0.039" (±1mm)
Coarse 1: ±0.098" (±2.5mm) when range ≥ 492 ft. (150m)
Coarse 2: ±0.394" (±10mm) when range ≥ 492 ft. (150m)
Automatic Shut-off:
6 minutes ±1 minute
Power Supply:
9V battery, 30 hrs continuous use
(with LCD illumination off)
Sound indicator:
slow short beep, rapid short beep and continuous sound
LED display:
down arrow, up arrow, horizontal on grade bar
Dimensions:
6.30" x 3.35" x 1.10" (160 x 85 x 28mm)
Weight:
1 lb. (0.45kg)
Others:
Rain and dust resistant
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