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3 MECHANICAL INSTALLATION
3.1 Siting Requirements
3.1.1 Instruments – Fig. 3.1
Caution.
•
Mount in a location free from excessive vibration.
•
Mount away from harmful vapours and/or dripping fluids.
Information. It
is
instrument at eye level, allowing an unrestricted view of
the front panel displays and controls
Maximum Distance
164 ft. (50m) – cell
constant <0.05
A – Maximum Distance of Instrument to Cell
–20°C
Min.
B – Within Temperature Limits
IP66
C – Within Environmental Limits
Fig. 3.1 Siting Requirements – Instrument
4
preferable
to
mount
the
Conductivity
Cell
55°C
Max.
3.1.2 Conductivity Cells – Fig. 3.2
Caution. Ensure that the integral cable (where
applicable) does not hang against hot or abrasive objects
when the plug is connected to the bulkhead socket.
✶
Note. Allow sufficient clearance for easy removal of
cell for cleaning – see Section 3.4 for overall dimensions
of cells.
Model 2278
Max. Temperature – 230°F (110 °C)
A – Maximum Temperature Limits
Model 2278
Max. Pressure – 150 p.s.i.
B – Maximum Pressure Limits
Model 2278
C – Acid/Alkali Concentration Limits
Fig. 3.2 Siting Requirements – Conductivity Cell
Acid – 6% Concentration
Alkali – 8% Concentration
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