Manual Benning LUXMETER Type B (page 25 of 40) (English, German)

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10/ 2010

BENNING LUXMETER B

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5. Standard illumination values

Type of

visual task

Practical examples

Normal illumina-

tion (lighting

intensity) in lux

Orientation

Traffic zones, subordinate rooms 20

Filled storage rooms, hallways

in buildings for persons

Easyvisual

tasks

Productionplantswithoccasionalactivi-

ties, toilet facilities, engine rooms, traffic

waysforvehiclesinbuildings,stair-

cases,conveyorbelts,medicalrooms

100

Crude works, continuously occu-

pied working places in produc-

tion plants, storage rooms with

reading tasks, canteens

200

Normal

visualtasks

Conference rooms, gymnasiums 300

Offices, medical facilities (urgenices) 500

Technical drawing rooms 750

Difficult

visualtasks

Supervisionplaces,technicaldraw-

ings, open plan offices, assem-

bly rooms, testing stations

1000

Very difficult

visualtasks

Assembly rooms for small com-

ponents, show windows

1500

Table 3: Standard values of inside working environment due to the

DIN 5035 standard

Thenominalvalueslistedabovearereferencevalues.Generallytheyreferto

horizontally working surfacesata height of 0.85m abovefloorand a mean

ageing condition of the lighting.

Condition Illuminance (lux)

Bright sun 50.000 - 100.000

Hazy day 25.000 - 50.000

Cloudy bright 10.000 - 25.000

Cloudy dull 2.000 - 10.000

Very dull 100 - 2.000

Sunset 1 – 100

Good street lighting 20

Poorstreetlighting 0,1

Full moon 0,01 - 0,1

Starlight 0,001 - 0,001

Overcastnight 0,00001 - 0,0001

Table 4: Typical Illuminance levels at outdoor places

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Benning LUXMETER Type B Manual

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