Emerson F-SERIES SENSOR installation manual Determining a Location

Determining a Location

Figure 6 F-Series sensor ambient and process temperature limits (all models except high-temperature and extreme high-temperature models)

Mount electronics remotely; use junction box

		176	(80)
or		140	(60)								158 (70)
coreprocessor		104	(40)															91 (33)
	°F (°C)	68	(20)
		32 (0)
temperature of	transmitter in
		–4 (–20)
		–40 (–40)
Ambient		–76 (–60)
						Mount electronics remotely; use junction box
		–112 (–80)
		–148 (–100)
			–148 (–100)	–112 (–80)	–76 (–60)	–40 (–40)	–4 (–20)	32 (0)	68 (20)	104 (40)	140 (60)	176 (80)	212 (100)	248 (120)	284 (140)	320 (160)	356 (180)	392 (200)
							Maximum process temperature in °F (°C)

Notes:

1.When ambient temperature is below –40 °F (–40 °C), a core processor must be heated to bring its local ambient temperature to between –40 °F (–40 °C) and +140 °F (+60 °C). Long-term storage of electronics at ambient temperatures below –40 °F (–40 °C) is not recommended.

2.Temperature limits may be further restricted by hazardous area approvals.

3.The temperature extender option allows the sensor case to be insulated without covering the transmitter, core processor, or junction box, but does not affect temperature ratings.

Sensor Installation: F-Series 9