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Reference Manual
00809-0100-4808, Rev CA
June 2008
5-7
Rosemount 3051N
Figure 5-1. Typical Smart
Transmitter Response Time
Maximum Working
Pressure
(1)(2)
Rosemount 3051ND
Static pressure limit
Rosemount 3051NG and Rosemount 3051NA
Upper range limit
Static Pressure Limits Operates within specifications between static line pressures stated below
Rosemount 3051ND only
Overpressure Limits Transmitters withstand following overpressure without damage:
Rosemount 3051ND/NG
Rosemount 3051NA
Burst Pressure Minimum burst pressure is 10,000 psig (69 MPa)
20mA
9.89mA
4mA
Time
Transmitter 4–20 mA Output vs. Time
63.2% of Total
Step Change
T
d
= Dead Time
T
c
= Time Constant
Response Time =
T
d
+T
c
Pressure Released
T
c
T
d
(1) EPR process O-ring (Code B) is limited to 2000 psi maximum working pressure.
(2) See Table 5-1 for specified Seismic Maximum Working Pressure.
Range Code Static Pressure Limits
0 0.5 psia to 750 psig (3,4 kPa abs to 5,2 MPa)
1 0.5 psia to 2000 psig (3,4 kPa abs to 13,8 MPa)
2 – 5
(1)
0.5 psia to 3626 psig (3,4 kPa abs to 25 MPa)
Range Code Overpressure Limits
0 750 psig (5,2 MPa)
1 2000 psig (13,8 MPa)
2 – 5
(1)
3626 psig (25 MPa)
Range Code Overpressure Limits
0 60 psia (414 kPa)
1 120 psia (827 kPa)
2 300 psia (2 070 kPa)
3 1600 psia (11 030 kPa)
4
(1)
6000 psia (41 370 kPa)