Reference Manual
00809-0100-4021, Rev FB
August 2011
B-7
Rosemount 3144P
Special Conditions for Safe Use (x):
1. Device must only be subjected to the ambient temperature range from
-40 °C to +70 °C.
2. The temperature of the process medium must be less than +80 °C.
3. The ground connection must be properly and reliably connected within
the enclosure of the device.
4. During installation, use, and maintenance of the temperature transmitter,
observe the warning “Don’t open the cover when the circuit is live.”
5. During installation, there should be no mixture harm to the flameproof
housing.
6. When installing in hazardous locations, the cable entry must be certified
by NEPSI with protection type Ex d II C, in accordance with
GB3836.1-2000 and GB3836.2-2000. Five full threads must be engaged
when the cable entry is assembled to the temperature transmitters.
7. The diameter of the cable must observe the instruction manual of cable
entry. The compressing nut should be fastened. The aging of seal ring
should be changed in time.
8. Maintenance must be performed in a non-hazardous location.
9. The end user is not permitted to change any of the internal components
or hardware of the device.
10. During installation, operation, and maintenance of the temperature
transmitter, observe the following standards:
a. GB3836.13-1997 “Electrical apparatus for explosive gas atmospheres
Part 13: Repair and overhaul for apparatus used in explosive gas
atmospheres.”
b. GB3836.15-2000 “Electrical apparatus for explosive gas atmospheres
Part 15: Electrical installations in hazardous area (other than mines).”
c. GB50257-1996 “Code for construction and acceptance of electric
device for explosion atmospheres and fire hazard electrical equipment
installation engineering.”
Combination Certifications
Stainless steel certification tag is provided when optional approval is
specified. Once a device labeled with multiple approval types is installed, it
should not be reinstalled using any other approval types. Permanently mark
the approval label to distinguish it from unused approval types.
KA Combination of K1 and K6
KB Combination of K5 and K6
K1 Combination of E1, N1, I1, and ND
K7 Combination of E7, N7, and I7
K5 Combination of I5 and E5
K6 CSA Combination
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