Emerson Rosemount 644 - Brazil and China Certifications

Process temperature
range at sensor
connection
(1)
(°C)
Ambient temperature
range (°C)
Maximum surface
temperature “T”
-60 °C to +80 °C -60 °C to +80 °C T130 °C
(1) Sensor Connection is where the sensor threads into the transmitter or
junction box housing.
5.8 Brazil
5.8.1 E2 Brazil Flameproof and Dust
Certificate:
UL-BR 21.1296X
Standards:
ABNT NBR IEC 60079-0:2020, ABNT NBR IEC
60079-1:2016, ABNT NBR IEC 60079-31:2014
Markings:
Ex db IIC T6…T1 Gb; T6(-60 °C ≤ T
a
≤ +70 °C), T5…T1(-60
°C ≤ T
a
≤ +80 °C)
Ex tb IIIC T130 °C Db; (-60 °C ≤ T
a
≤ +80 °C)
Special Conditions for Safe Use (X):
1. Flameproof joints are not intended for repair.
2. Non-standard paint options may cause risk from electrostatic
discharge. Avoid installations that could cause electrostatic
build-up on painted surfaces, and only clean the painted
surfaces with a damp cloth. If paint is ordered through
a special option code, contact the manufacturer for more
information.
Additional Specific Conditions of Use (X) when “XA” designation is
ordered:
1. Guard DIN Style sensors against impacts greater than 4 J.
2. The spring loaded adapter style sensors and DIN style sensors
must be installed in a thermowell to maintain Ex tb protection.
Process temperature
range at Sensor
Connection
(1)
(°C)
Ambient temperature
range (°C)
Temperature class
-60 °C to +70 °C -60 °C to +70 °C T6
-60 °C to +80 °C -60 °C to +80 °C T5…T1
-60 °C to +80 °C -60 °C to +80 °C T130 °C
(1) Sensor Connection is where the sensor threads into the transmitter or
junction box housing
Quick Start Guide April2023
32 Rosemount 644