Extech Instruments LT40 User Manual

LT40-en-GB_V3.0 10/17
7
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
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Extech Instruments LT40 Specifications

General

Brand	Extech Instruments
Model	LT40
Category	Measuring Instruments
Language	English