
3
CONTENTS
Page
1. APPLICATION .............................................................................................5
2. SET OF THE METER ..................................................................................6
3. BASIC REQUIREMENTS, OPERATIONAL SAFETY ..................................7
4. INSTALLATION ............................................................................................9
5. SERVICING ...............................................................................................13
6. RS-485 INTERFACE .................................................................................31
7. TECHNICAL DATA .....................................................................................49
8. BEFORE A FAILURE HAS BEEN DECLARED .........................................53
9. EXAMPLES OF NA5 METER PROGRAMMING .......................................55
10. ORDERING PROCEDURE .......................................................................58
11. MAINTENANCE AND GUARANTEE .........................................................60
One-channel digital-to-analogue meter
with multicoloured bargraph and a interface
NA5 TYPE
USER’S GUIDE