Emerson Rosemount 3144P Quick Start Manual page 22

Quick Start Guide
3. See instructions for relation between process temperature,
ambient temperature, and temperature class/ maximum
surface temperature "T".
4. For 3144P temperature transmitters with "XA" designation,
the spring-loaded adapter style sensors must be installed in
a thermowell to maintain Ex tb protection.
Process temperature
range at Sensor
Connection
-60 °C to +80 °C
Sensor Connection is where the sensor threads into the
(1)
transmitter or junction box housing.
5.5.2 I7 IECEx Intrinsic Safety
Certificate
Standards
Markings
Special Conditions for Safe Use (X):
1. When fitted with the transient terminal options, the apparatus
is not capable of withstanding the 500 V electrical strength test
as defined in Clause 6.3.13 of IEC 60079-11: 2011. This must be
taken into account during installation.
2. The enclosure may be made from aluminum alloy with a
protective polyurethane paint finish; however, care should be
taken to protect it from impact or abrasion when located in
Zone 0.
5.5.3 N7 IECEx Type n
Certificate
Standards
Markings
Special Condition for Safe Use (X):
When fitted with the transient terminal options, the apparatus is not
capable of withstanding the 500V electrical strength test as defined in
22
Ambient Temperature
Range (°C)
(1) (°C)
-60 °C to +80 °C
IECEx BAS 07.0004X
IEC 60079-0: 2017; IEC 60079-11: 2011
Ex ia IIC T4 Ga; T4(-60 °C ≤ T
See Table 5-4
IECEx BAS 07.0005X
IEC 60079-0:2017, IEC 60079-15:2010; IEC 60079-7:2017
Ex nA IIC T5 Gc; T5(-40 °C ≤ T
T5 (-40°C ≤ Ta ≤ +75°C)
≤ +60 °C)
a
for entity parameters.
≤ +75 °C); Ex ec IIC T5 Gc;
a
January 2024
Maximum surface
temperature "T"
T130 °C
Rosemount 3144P