Mechanical Installation; Siting Requirements; Analyzer; Sensor Unit (Models 7997 200 Series And 7997 300 Only) - ABB 4670 Series User Manual

2 MECHANICAL INSTALLATION

2.1 Siting Requirements

2.1.1 Analyzer – Fig. 2.1
Caution.
• Mount in a location free from excessive vibration.
• Mount away from harmful vapors and dripping fluids.
Information. It is preferable to mount the instrument at eye
level, allowing an unrestricted view of the front panel
displays and controls
Maximum Distance
100 meters
A – Maximum Distance of Instrument to Unit
–20C
Min.
B – Within Temperature Limits
IP66
C – Within Environmental Limits
Fig. 2.1 Siting Requirements – Instrument
Turbidity
Sensor Unit
55C
Max.
2.1.2 Sensor Unit – Fig. 1.1A
(Models 7997 200 Series and 7997 300 only)
For easy removal of sensor unit for maintenance if required,
allow sufficient clearance of 200 mm (7.9 in.) all around – see
Section 2.3.1 for overall dimensions of units.
Note. For ease of use it is recommended that the maximum
height of the sensor unit above floor level should not exceed
chest level. This ensures ease of access during calibration
and cleaning procedures.
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