1.6.1 Maximum cable lengths between sensor and transmitter
The maximum cable length between the sensor and transmitter, which are installed
separately, is determined by cable type.
Cable type Wire gauge Maximum length
MicroMotion 4-wire remote
mount
Installation specific • 1,000ft (305m) without Ex-
approval
• 500ft (152m) with IIC rated
sensors
• 1,000ft (305m) with IIB
rated sensors
MicroMotion 9-wire remote
mount
Installation specific 1,000ft (305m)
(1)
User-supplied 4-wire VDC 22AWG (0.326mm²) 300ft (91m)
VDC 20AWG (0.518mm²) 500ft (152m)
VDC 18AWG (0.823mm²) 1,000ft (305m)
RS-485 22AWG (0.326mm²) or
larger
1,000ft (305m)
(1) For Smart Meter Verification, the limit is 60ft (18m).
Planning Installation Manual
October2023 00825-0100-5710
10 Micro Motion 4700 CIO Transmitter