—
A B B ME A SUR EMENT & A N A LY TIC S | INFOR M ATION | INF1 1/0 6 6 - EN R E V. A
4690 series
Turbidity systems
4670 to 4690 turbidity system upgrade
1 Introduction
This publication details the upgrade of a 4670 turbidity system
to a 4690 system (for use with 7998 sensors). The system is
upgraded by replacing the EPROM and the procedure must be
carried out by a trained technician.
The replacement EPROM kit options are shown in Table 1:
Description
Part No.
Qty
Standard (1 analog output)
(containing EPROM part no. 46903000)
7998 040
1
Additional analog output
(containing EPROM part no. 46903001)
7998 041
1
Modbus®
(containing EPROM part no. 46903002)
7998 042
1
Modbus® + Net Tap
(containing EPROM part no. 46903003)
7998 043
1
This publication (supplied with each kit) –
4670 to 4690 turbidity system upgrade
INF11/066–EN
1
Table 1 EPROM kit options
Modbus is a registered trademark of the Modbus-IDA organization
2 Tools required
• No. 2 Pozidriv screwdriver
• EPROM extraction tool
• EPROM insertion tool
