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Rosemount Model 444 Alphaline Temperature Transmitters
I-2
S
Sensor and Conduit Connections 5-4
Sensor Connections
Grounding 2-7
RTD Inputs 2-5
2-Wire RTD 2-6
3-Wire RTD 2-6
4-Wire RTD 2-6
Compensation Loop
RTD 2-6
Differential Millivolt 2-6
Differential RTD 2-5
Thermocouple or Millivolt
Inputs 2-7
Span and Zero 5-2
Spans 5-1
Spare Parts, List of 5-12–5-16
Specifications and Reference
Data 5-1
Analog Meter Specifications 5-8
LCD Meter Specifications 5-7
Configuration 5-7
Digital Display
Resolution 5-7
Humidity Limitation 5-7
Response Time 5-7
Temperature Limits 5-7
Update Period 5-7
Transmitter Specifications 5-1,
5-2
Accuracy 5-3
Ambient Temperature
Effect 5-3
Hazardous Location
Certifications 5-4
Input Impedance 5-3
Inputs 5-1
Load Effect 5-3
Materials of
Construction 5-4
Mounting Position
Effect 5-3
Power Supply Effect 5-3
Sensor and Conduit
Connections 5-4
Stability 5-3
Turn-on Time 5-2
Vibration Effect 5-3
Weight 5-4
Stability 5-3
T
Temperature Environment 2-8
Temperature Limits 5-2, 5-7
Testing
RTD Test 4-3
Thermocouple Test 4-3
Thermocouple or Millivolt Inputs 2-7
Thermocouple Transmitter 3-5
Calibration Procedure for a
Compensated Thermocouple
Calibration Equipment
Required 3-5
Calibration Procedure 3-5
Calibration Procedure
for Ice Bath
Calibration Equipment
Required 3-7
Calibration Procedure 3-7
Troubleshooting 4-2
Turn-on Time 5-2
U
Update Period 5-7
V
Vibration Effect 5-3
W
Warranty Service 4-7
Weight 5-4
Wiring 2-4