3
Contents
SAFETY PRECAUTIONS ................................................................................................................ 1
Contents .......................................................................................................................................... 3
Names and Functions of Parts ...................................................................................................... 4
Basic Operations
Preparation ..................................................................................................................................... 8
Installing the Receptor Head..............................................................................................................................8
Removing the Receptor Head ............................................................................................................................8
Selecting measuring units ..................................................................................................................................8
Attaching the Cap ..............................................................................................................................................8
Putting the Instrument in the Case ..................................................................................................................10
Installing the Batteries .....................................................................................................................................11
Turning Power ON ............................................................................................................................................11
Zero Adjustment ..............................................................................................................................................12
Battery Alarm ...................................................................................................................................................12
Notes on measurement ...................................................................................................................................12
Measuring the Illuminance .......................................................................................................... 13
Measuring Method ...........................................................................................................................................13
Over Alert .........................................................................................................................................................13
Measuring the Illuminance Difference / Ratio ............................................................................ 14
Entering the Reference Value ..........................................................................................................................14
Measuring the Illuminance Difference / Ratio ..................................................................................................18
Measuring the Integrated Illuminance ........................................................................................ 19
Automatic Integration Stop Function ......................................................................................... 21
Setting Method .................................................................................................................................................21
Checking the Setting ........................................................................................................................................24
Changing the Setting .......................................................................................................................................24
Operating the Instrument with External Power ......................................................................... 25
Connecting the AC Adapter .............................................................................................................................25
Advanced Operations
Color Correction Factor (CCF) .................................................................................................... 28
Measurement using the CCF ...........................................................................................................................28
CCF Setting Method ........................................................................................................................................29
Setting the Range Manually......................................................................................................... 32
Manual/auto measuring ranges .......................................................................................................................32
Setting Method .................................................................................................................................................32
Over-range Error ..............................................................................................................................................33
Recording the Measured Illuminance Continuously (Analog Output) .................................... 34
Printing the Measured Data (Digital Output) .............................................................................. 36
Printer Requirements .......................................................................................................................................36
Example of recommended printer ....................................................................................................................36
Procedure ........................................................................................................................................................36
Print example ...................................................................................................................................................37
Connecting to a PC ...................................................................................................................... 38
Separating the Receptor Head from the Main Body .................................................................. 39
Items Required.................................................................................................................................................39
Measuring Method ...........................................................................................................................................39
Fixing the Receptor Head ................................................................................................................................40
Multi-Point Measurement ............................................................................................................. 41
Items Required.................................................................................................................................................41
Measuring Method ...........................................................................................................................................41
Notes on Multi-Point Measurement ............................................................................................ 44
Accessories
Standard Accessories .................................................................................................................. 46
Optional Accessories ................................................................................................................... 46
System Diagram ........................................................................................................................... 48
Explanation
Error Messages............................................................................................................................. 50
Reference Measurement Plane / Dimension Diagram ............................................................... 51
Relative Spectral Response ........................................................................................................ 52
Cosine Correction Characteristics ............................................................................................. 54