PerkinElmer AAnalyst 700 User Manual page 117

Tomic absorption spectrometer
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Laboratory Requirements
Unfiltered industrial water should not be used.
A water hose kit with pressure relief valve is provided with the spectrometer
system which you must permanently install in the water supply line to the system.
This valve opens if the water pressure to the system exceeds 4 bar. This feature
eliminates the risk of damage to the water hoses and hose fittings in the system
through excess water pressure.
The water pressure to the system should be at least 2.5 bar (36 psig). If the
pressure is lower, the flow rate of water through the system is reduced and heat
will not be removed quickly enough.
The maximum water pressure to the system is 3.5 bar (50 psig); the pressure relief
valve opens automatically if the water inlet pressure exceeds 4 bar – the slightly
higher pressure of 4 bar allows for minor daily fluctuations in the pressure of the
main water supply.
6-17
0993-5255

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