Manual

HT309
EN - 1
TABLE OF CONTENTS:
1. PRECAUTIONS AND SAFETY MEASURES .................................................................. 2
1.1. Preliminary instructions ......................................................................................... 2
1.2. During use ............................................................................................................. 2
1.3. After use ................................................................................................................ 2
2. GENERAL DESCRIPTION .............................................................................................. 3
3. PREPARATION FOR USE .............................................................................................. 3
3.1. Initial checks .......................................................................................................... 3
3.2. Instrument power supply ....................................................................................... 3
3.3. Calibration ............................................................................................................. 3
3.4. Storage .................................................................................................................. 3
4. OPERATING INSTRUCTIONS ........................................................................................ 4
4.1. Instrument description ........................................................................................... 4
4.2. Description of function keys ................................................................................... 5
4.2.1. HOLD/L.S. (Light Source) key ....................................................................................... 5
4.2.2. LX/FC/CD key ............................................................................................................... 5
4.2.3. MEM/READ key ............................................................................................................ 6
4.2.4. Deleting the internal memory ........................................................................................ 6
4.2.5. MAX/MIN/AVG functions ............................................................................................... 6
4.2.6. Disabling the Auto Power OFF function ........................................................................ 6
4.2.7. ZERO key ...................................................................................................................... 6
4.3. Measuring operations ............................................................................................ 7
4.3.1. Illuminance measurement ............................................................................................. 7
4.3.2. Luminous intensity measurement .................................................................................. 7
5. MAINTENANCE .............................................................................................................. 8
5.1. Battery replacement .............................................................................................. 8
5.2. Cleaning the instrument ......................................................................................... 8
5.3. End of life .............................................................................................................. 8
6. TECHNICAL SPECIFICATIONS ..................................................................................... 9
6.1. Technical characteristics ....................................................................................... 9
6.1.1. Spectrum response ....................................................................................................... 9
6.1.2. Sensor ........................................................................................................................... 9
6.1.3. General characteristics ................................................................................................ 10
6.2. Environment ........................................................................................................ 10
6.2.1. Environmental conditions for use ................................................................................ 10
6.3. Accessories ......................................................................................................... 10
6.3.1. Accessories provided .................................................................................................. 10
7. SERVICE ....................................................................................................................... 11
7.1. Warranty conditions ............................................................................................. 11
7.2. Service ................................................................................................................ 11
8. APPENDIX A: RECOMMENDED ILLUMINANCE LEVELS ........................................... 12