ABB 4690 - Turbidity Systems; 7998 Sensors; Turbidity Measurement Systems

4690 Series
Turbidity systems 2 Turbidity Systems
IM/4690–EN Rev. A 3
2 Turbidity Systems
2.1 7998 Sensors
Details of the individual sensors are shown in Table 2.1.
2.2 Turbidity Measurement Systems
Sensor No. Principle of Sensor Typ e o f Sen s o r Minimum Range Maximum Range
7998 001
(EPA 180.1)
Incandescent lamp
Nephelometric
Flow-through
(with wiper unit)
0 to 1 NTU 0 to 40 NTU
7998 002
(EPA 180.1)
Incandescent lamp
Nephelometric
Flow-through
(with wiper unit)
0 to 40 NTU 0 to 400 NTU
7998 006
(EPA 180.1)
Incandescent lamp
Nephelometric
Flow-through
(without wiper unit)
0 to 1 NTU 0 to 40 NTU
7998 007
(EPA 180.1)
Incandescent lamp
Nephelometric
Flow-through
(without wiper unit)
0 to 40 NTU 0 to 400 NTU
7998 011
(ISO 7027)
Infrared LED
Nephelometric
Flow-through
(with wiper unit)
0 to 1 NTU 0 to 40 NTU
7998 012
(ISO 7027)
Infrared LED
Nephelometric
Flow-through
(with wiper unit)
0 to 40 NTU 0 to 400 NTU
7998 016
(ISO 7027)
Infrared LED
Nephelometric
Flow-through
(without wiper unit)
0 to 1 NTU 0 to 40 NTU
7998 017
(ISO 7027)
Infrared LED
Nephelometric
Flow-through
(without wiper unit)
0 to 40 NTU 0 to 400 NTU
Table 2.1 7998 Sensor Range
Fig. 2.1 System Arrangements
7998 001, 002, 011 and 012
7998 001, 002, 011 and 012
4690 500
4695 500
Flow-through sensor (with wiper unit)
and wall- / panel-mount analyzer
Flow-through sensor (with wiper unit)
and panel-mount analyzer
7998 006, 007, 016 and 017
7998 006, 007, 016 and 017
4690 500
4695 500
Flow-through sensor (without wiper unit)
and wall- / panel-mount analyzer
Flow-through sensor (without wiper unit)
and panel-mount analyzer