Agilent 5110/5100 ICP-OES Service Manual Agilent Restricted 43
3 General Information
RF Interlocks
RF Interlocks
There are a number of interlocks throughout the 5110 instrument required to maintain a safe
working environment and also to prevent possible instrument damage.
Plasma ignition is governed by 3 interlocks as identified in circuit above. Each of these
interlocks is monitored continuously independent to the plasma being on or off to ensure
interlock integrity is maintained at all times.
In addition, plasma ignition will only occur if the following parameters are within specification.
Water Cooling
• Coil/Cone/Oscillator Flow
• Direction of flow (Inlet temperature is less than outlet temperature)
• Temperature (Inlet and outlet)
Gas
• Flow
Air Cooling
• Flow
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