Reference Manual
00809-0100-4793, Rev CA
August 2004
B-11
Rosemount 8742C
Table B-3. Relation between ambient temperature, process temperature, and temperature class
(1)
Meter Size (Inches)
Maximum Ambient Temperature
Maximum Process Temperature
Temperature Class
1
/
2
149°F (65°C)
297°F (147°C)
T3
1
149°F (65°C)
318°F (159°C)
T3
1
95°F (35°C)
232°F (111°C)
T4
1
1
/
2
149°F (65°C)
297°F (147°C)
T3
1
1
/
2
140°F (60°C)
171°F (77°C)
T4
2
149°F (65°C)
289°F (143°C)
T3
2
149°F (65°C)
163°F (73°C)
T4
2
104°F (40°C)
144°F (62°C)
T5
3 - 36
149°F (65°C)
351°F (177°C)
T3
3 - 36
149°F (65°C)
210°F (99°C)
T4
3 - 36
131°F (55°C)
144°F (62°C)
T5
3 - 36
104°F (40°C)
144°F (62°C)
T6
(1) This table is applicable for CD and KD option codes only.
Table B-4. Electrical Data
Model 8732 Flow Transmitter
Power supply:
250 Vac, 1 A or 50 Vdc, 2,5 A, 20 W maximum
Pulsed output circuit:
30 V dc (pulsed), 0,25 A, 7,5 W maximum
4-20 mA output circuit:
30 V dc, 30 mA, 900 mW maximum
Model 8705 and 8711 Flowtubes
Coil excitation circuit:
40 V dc (pulsed), 0,5 A, 20 W maximum
Electrode circuit:
in type of explosion protection intrinsic safety EEx ia IIC, 5 V, 1 mW maximum, U
m
= 250 V
Model 8742C Flow Transmitter (EEx de
version):
Power supply:
250 Vac, 1 A, 40 VA or 50 Vdc, 2,5 A, 15 W maximum
Foundation Fieldbus output:
30 Vdc, 30 mA, 1 W maximum
Model 8742C Flow Transmitter (EEx de [ia]
version):
Power supply:
250 Vac, 1 A, 40 VA or 50 Vdc, 2,5 A, 15 W maximum
Foundation Fieldbus output:
(ter and -)
in type of explosion protection intrinsic safety EEx ia IIB, only for connection to a certified intrinsically safe
circuit according to the FISCO model, with the following maximum values:
U
i
= 30 V
I
i
= 380 mA
P
i
= 5,32 W
C
i
= 4,4 nF
L
i
= 0 mH
Содержание 8700 Series
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