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The included table shows the recommended lighting strengths according to the indi-
cations of the international commission for lighting.
Place:
Recommended illumination strength in Lux:
Office
Meeting room
200 - 750
Writing room
700 - 1500
Technical drawing
1000 - 2000
Factory
Goods receipt, packing
150 - 300
Visual inspection in production lines
300 - 750
Inspection work
750 - 1500
Assembly line
1500 - 3000
Hotel
Entrance area, wardrobe
100 - 200
Reception area, cash point
200 - 1000
Shop
Staircase
150 - 200
Shop window area
750 - 1500
Hospital
Hospital room, storage
100 - 200
Examination room
300 - 750
Surgical theatre, emergency room
750 - 1500
School
Lecture room, assembly hall
100 - 300
Classroom
200 - 750
Crafts and drawing rooms
500 – 1500
RANGE button
The RANGE button enables manual measuring range selection in the voltage, current and impedance
measuring functions. This button is not active in any other measuring functions.
Every time it is pressed, the auto range function is deactivated (display “Auto” goes out) and switches to
the next higher measuring range. After the largest measuring range, it starts again with the smallest one.
For switching off the manual measuring range selection, keep the “RANGE” button pressed for approx.
2s. The display shows “Auto” again.