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Section
2-1
2 Installation
OVERVIEW
This section includes the following transmitter installation
information:
• General Considerations
• Mechanical Considerations
Mounting Stability
Access Requirements
• Electrical Considerations
Power Supply
Field Wiring
Sensor Connections
Grounding
Multi-Channel Installations
Surges/Transients
• Environmental Considerations
Temperature Environment
Moist or Corrosive Environments
Hazardous Location Installation
Intrinsically Safe Installation
• Installation Procedure
Mechanical
Electrical
GENERAL
CONSIDERATIONS
Use the Rosemount Model 444 Alphaline Temperature Transmitter
when the temperature measurement point is remote from the control,
readout, or recording point, or where the measurement point is exposed
to environmental conditions that would be harmful to unprotected
signal conditioning equipment.
Electrical temperature sensors such as RTDs and thermocouples
Failure to follow these installation guidelines may result in
death or serious injury. Make sure only qualified personnel
perform the installation.
Explosions can cause death or serious injury. Verify that the
operating atmosphere of the transmitter is consistent with
the appropriate hazardous locations certifications.