Loop Resistance - Ametek LAND RT8A User Manual

Thermometer
Fig. 4 - Connecting the 6-way plug to the RT8A Thermometer

3.2 Loop Resistance

The maximum allowable loop resistance in the RT8A thermometer current
loop, for a given power supply voltage, is illustrated in Fig. 5.
NOTE
The system load resistance includes the cable resistance and the indicator
resistance.
1000
900
800
700
600
500
400
300
200
100
0
Fig. 5 - Graph showing load resistance versus power supply voltage
Page 6
Locking Sleeve
0 5 10
Power Supply Voltage (V)
Lugs
Keyway
Red Markers
15 20 25
User Guide
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30 35
309005
RT8A