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