Installation; Siting Requirements; Analyzer; Turbidity Sensor - ABB 4690 User Manual

4690 Series
Turbidity systems

3 Installation

3.1 Siting Requirements

3.1.1 Analyzer

Caution.

Mount in a location free from excessive vibration.

Mount away from harmful vapors and dripping fluids.
Note. Mount the analyzer at eye level to enable an
unrestricted view of the front panel displays and controls.
Maximum Distance
20 m (65.6 ft)
A – Maximum Distance between Analyzer and Sensor
–20 °C
(–4 °F)
Min.
B – Within Temperature Limits
C – Within Environmental Limits
Fig. 3.1 Siting Requirements – Analyzer
IM/4690–EN Rev. A
Turbidity
Sensor
55 °C
(131 °F)
Max.
IP66

3.1.2 Turbidity Sensor

To enable the turbidity sensor to be removed easily for
maintenance, ensure an all-round clearance of 200 mm (7.9 in) –
see Section 3.3, page 8 for the overall dimensions of the sensor.
Note. Ensure the sensor is located at an appropriate height
to ensure ease of access during calibration and cleaning.
3 Installation
5