Technical specifications – Johnson Level & Tool Mfg. 40-6790 User Manual

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2. Technical Specifications

Detect

ing Range:

Up to 700’ (200m)

Detecting Accuracy:

Fine: ± 5mm

Coarse: ± 12.5mm

Receiving Window:

5” (12 cm)

Receiving Angle:

240º

Power Supply:

4 “AA” Alkaline Batteries

Battery Life:

35 hrs. continuous use with LCD lighting off

Sound Indicator:

slow short beep, rapid short beep and
continuous sound

LCD Indicator:

Up arrow, Down arrow, On grade

LED Indicator:

Up, Down, On grade

Includes:

Level Rod Bracket

Dimensions:

6.69" x 4.52" x 1.65"

(170 x 115 x 42mm)

Weight:

1.5 lb. (0.680kg)

Working temperature:

-20°C to 50°C (-4°F to +122°F)

Other functions:

If laser signal is lost, the display will show
last signal recorded for 5 seconds

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