
1
CONTENTS
1. Precautions for Use................................................................................................................................................... 2
2. Refractive Index and Brix....................................................................................................................................... 7
(1) What is refractometer?.................................................................................................................................... 7
(2) What is the Refractive Index?..................................................................................................................... 7
(3) Brix(%) scale ........................................................................................................................................................ 7
(4) Temperature correction................................................................................................................................... 7
3. Unpacking and Installation..................................................................................................................................... 8
(1) Unpacking.............................................................................................................................................................. 8
(2) Installation.............................................................................................................................................................. 8
4. Names and Functions of Components............................................................................................................ 9
5. Mounting the Main Unit to the Bracket or Stand ..........................................................................................10
6. Mounting the Sample Inlet Unit.........................................................................................................................11
7. External Output..........................................................................................................................................................13
(1) CM-BASEα(A)....................................................................................................................................................13
(2) CM-BASEα(D) ...................................................................................................................................................13
8. Power Supply..............................................................................................................................................................17
9. Measuring Brix(%)....................................................................................................................................................18
10. Zero-setting..................................................................................................................................................................19
11. Bias Adjustment.........................................................................................................................................................20
12. Error and Display Lamp.........................................................................................................................................21
(1) During measurement (including when the power is turned on)...............................................21
(2) During zero-setting..........................................................................................................................................21
(3) During measurement or zero-setting.....................................................................................................21
13. Cleaning the Prism...................................................................................................................................................22
14. Consumable Parts and Optional Items .........................................................................................................23
(1) Consumable Parts...........................................................................................................................................23
(2) Optional Items....................................................................................................................................................23
15. Relationships between Brix(%) Values and Refractive Index (nD) Values ................................24
16. Specifications..............................................................................................................................................................25
17. Repair Service and Warranty Period..............................................................................................................26
18. ATAGO CO.,LTD. Service Centers..................................................................................................................27