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8 Micro Motion
®
ELITE
®
Sensors
Determining a Location
Figure 6 High-temperature and extreme high-temperature ELITE sensor ambient and
process temperature limits
Hazardous area approvals may impose additional limits on ambient and process temperature. For the ATEX
“T” rating, refer to the ATEX documentation shipped with the sensor or available on the Micro Motion web
site at www.micromotion.com. IECEx and NEPSI approvals also use the ATEX “T” rating. UL and CSA
ambient temperature limits are listed in Table 1.
Table 1 UL and CSA ambient temperature limits
Sensor models Electronics °F °C
UL All models Junction box +104 maximum +40 maximum
Core processor –40 to +104 –40 to +40
CSA All models Junction box +140 maximum +60 maximum
Core processor –40 to +140 –40 to +60
All models except CMF400 2400S transmitter –40 to +140 –40 to +60
CMF400 2400S transmitter –58 to +140 –50 to +60
–148 (–100)
–112 (–80)
–76 (–60)
–40 (–40)
–4 (–20)
32 (0)
68 (20)
104 (40)
140 (60)
176 (80)
–58 (–50)
32 (0)
392 (200)
752 (400)
842 (450)
662 (350)
800 (427)
Mount transmitter remotely; use junction box
Notes:
1. When ambient temperature is below –40 °F (–40 °C), a core processor or Model 2400S transmitter 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.
662
(350)
302 (150)
122 (50)
High-temp. models
Extreme high-temp. models
482 (250)
572 (300)
212 (100)
Ambient temperature of core processor or transmitter in °F (°C)
Maximum process temperature in °F (°C)