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Pura Online Hygrometer User Manual
2.6.3
Cable selection for self-assembled cables
It is recommended to use 3-core screened cable. For short runs, a cable with individual
conductor sizes of 24 AWG / 0.21mm
conductors may be required to keep loop resistance within allowable limits. A chart of
maximum loop resistance vs supply voltage is provided in the following section to aid
in cable selection.
2.6.4
Maximum Loop Resistance vs Supply Voltage
Figure 18
NOTE: Cable resistance of the entire loop must be considered when
calculating loop resistance.
Michell Instruments
would be a typical choice. A cable with larger
2
Maximum Load of Pura – Including Cable Resistance
INSTALLATION
19
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