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Rosemount Model 444 Alphaline Temperature Transmitters
5-4
PHYSICAL
SPECIFICATIONS
Materials of Construction
Electronics Housing
Low-copper aluminum. (NEMA 4X). IP 54, IP 65, IP 66.
Housing Paint
Polyurethane.
Housing O-rings
Buna-N.
Sensor and Conduit Connections
1
/2-inch conduit on electronics housing. Screw terminals and integral test jacks
compatible with miniature banana plugs (Pomona 2944, 3690 or equal).
Weight
Transmitter: 3 lb (1.4 kg).
Transmitter with mounting bracket: 4 lb (1.8 kg).
Hazardous Location Certifications
Factory Mutual (FM) Approvals
E5 Explosion Proof: Class I, Division 1, Groups B, C, and D. Dust Ignition
Proof: Class II, Division 1, Groups E, F, and G; Class III, Division 1
hazardous locations. Indoor and outdoor use. NEMA Enclosure Type 4X.
Refer to Factory Mutual Explosion Proof Drawing 00444-0261.
I5 Intrinsic Safety: Class I, Division 1, Groups A, B, C, and D; Class II,
Division 1, Groups E, F, and G; Class III, Division 1 hazardous locations;
Intrinsically safe system only when applying Table 5-1 entity parameters.
Nonincendive: Class I, Division 2, Groups A, B, C, and D; Indoor and
outdoor use. NEMA Enclosure Type 4X.
Refer to Factory Mutual Intrinsic Safety Drawing 01151-0214.
K5 Combination of E5 and I5.
TABLE 5-1. FM Entity
Parameters.
Canadian Standards Association (CSA) Approvals
E6 Explosion Proof: Class I, Division 1, Groups C and D; Dust-ignitionproof
Class II, Division 1, Groups E, F, and G; Class III, Division 1 hazardous
locations; Suitable for Class I, Division 2, Groups A, B, C, and D; CSA
Enclosure Type 4X.
I6 Intrinsic Safety: Class I, Division 1, Groups A, B, C, and D. Intrinsically
safe system only when applying Table 5-2 parametric parameters.
Temperature code T2D. CSA Enclosure Type 4X.
Refer to CSA Intrinsic Safety Drawing 00444-0034.
C6 Combination of E6 and I6.
Model 444
Parameters
Associated
Equipment
Parameters
FM Approved for
Class I, II, III,
Division 1, Groups
A B CthruG
V
MAX
= 40 V
I
MAX
=165mA
C
i
= 0.044µF
L
i
=0
V
OC
or V
T
≤ 40 V
I
SC
or I
T
≤ 165 mA
C
A
> 0.044µF
L
A
>0
•• •
V
MAX
=40V
I
MAX
= 225 mA
C
i
= 0.044µF
L
i
=0
V
OC
or V
T
≤ 40 V
I
SC
or I
T
≤ 225 mA
C
A
> 0.044µF
L
A
>0
NA NA •