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LT505-en-GB_V1.1   1/18 

Appendices 

Typical Light Levels (1 Fc = 10.76 Lux) 

Lux 

Foot 

Candles 

 

 

Lux 

Foot 

Candles 

 

 

 

Factories 

 

 

 

Home 

20-75 

2-7 

Emergency Stairs, 
Warehouse  

 

100-150 

10-15 

Washing 

75-150 

7-15 

Exit/Entrance Passages 

 

150-200 

15-20 

Recreational Activities 

150-300 

15-30 

Packing Work 

 

200-300 

20-30 

Drawing Room, Table 

300-750 

30-75 

Visual Work: Production  
Line 

 

300-500 

30-50 

Makeup 

750-1,500 

75-150 

Typesetting: Inspection 
Work 

 

500-1,500 

50-150 

Reading, Study 

1,500-3,000 

150-300  Electronic  Assembly, 

Drafting 

 

1,000-2,000 

100-200  Sewing 

 

 

Office 

 

 

 

Restaurant 

75-100 

7-10 

Indoor Emergency Stairs 

 

75-150 

7-15 

Corridor Stairs 

100-200 

10-20 

Corridor Stairs 

 

150-300 

15-30 

Entrance, 
Wash Room 

200-750 

20-75 

Conference, 
Reception Room 

 

300-750 

30-75 

Cooking Room, Dining Table 

750-1,500 

75-150 

Clerical Work 

 

750-1,500 

75-150 

Show Window 

1,500-2,000  150-2000  Typing, Drafting 

 

 

 

 

 

 

Store 

 

 

 

Hospital 

75-150 

7-15 

Indoors 

 

30-75 

3-7 

Emergency Stairs  

150-200 

15-20 

Corridor/Stairs 

 

75-100 

7-10 

Stairs 

200-300 

20-30 

Reception 

 

100-150 

10-15 

Sick Room, Warehouse 

300-500 

30-50 

Display Stand 

 

150-200 

15-20 

Waiting Room 

500-750 

50-75 

Elevator 

 

200-750 

20-75 

Medical Exam Room 

750-1,500 

75-150 

Show Window, 
Packing Table 

 

750-1,500 

75-150 

Operating Room 

1,500-3,000 

150-300  Storefront, Show Window 

  5,000-10,000  500-1000  Eye Inspection 

 

Spectral Sensitivity 

Peak sensitivity wavelength: 550nm; 
Deviation from comparative luminosity 
standard: JIS standard C1609-1993. 

 

 

 

 

 

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All rights reserved including the right of reproduction in whole or in part in any form 

ISO-9001 Certified 

 

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WAVELENGTH (nm) 

 

LT505 

www.

GlobalTestSupply

.com

Find Quality Products Online at:

[email protected]

Summary of Contents for LT505

Page 1: ...USER MANUAL LUX FC Light Meter Model LT505 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 2: ...entire User Manual before operating this device Use the meter only as specified and do not attempt to service or open the meter housing Do not use the meter in the presence of explosive gas or vapor D...

Page 3: ...appear in the secondary display 4 The CAL icon will switch OFF when the calibration has been completed 5 If the protective cap is not covering the sensor when the button is pressed the LCD display wil...

Page 4: ...press the button The MAX AVG MIN display icons will switch off and the meter will return to normal operating mode Auto Power OFF APO In order to conserve battery life the meter will automatically shut...

Page 5: ...ve the battery and store separately Never dispose of used batteries or rechargeable batteries in household waste As consumers users are legally required to take used batteries to appropriate collectio...

Page 6: ...ter Power 2 x 1 5V AAA batteries Low battery indicator included Automatic power off After approx 12 minutes of inactivity Operating Temp Humidity 5 C to 40 C 40 F to 104 F 80 RH Max Operating Altitude...

Page 7: ...tions 23 5 C Lux autorange Unit Range Resolution Accuracy Lux 999 9 0 1 3 rdg 3 dgts 9 999 1 3 rdg 10 dgts 99 990 10 400 000 100 Foot candle autorange Unit Range Resolution Accuracy fc 99 99 0 01 3 rd...

Page 8: ...om Dining Table 750 1 500 75 150 Clerical Work 750 1 500 75 150 Show Window 1 500 2 000 150 2000 Typing Drafting Store Hospital 75 150 7 15 Indoors 30 75 3 7 Emergency Stairs 150 200 15 20 Corridor St...

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