Emerson 3051N User Manual
Reference Manual
00809-0100-4808, Rev CA
June 2008
Rosemount 3051N
5-6
Span and Zero, Zero
Elevation, and
Suppression
Elevation, and
Suppression
Zero and span values can be set anywhere within the range limits stated in
Table 5-2 and Table 5-3, providing sensor limits are not exceeded.
Table 5-2 and Table 5-3, providing sensor limits are not exceeded.
Span must be greater than or equal to the minimum span stated in Table 5-2
and Table 5-3.
and Table 5-3.
Humidity Limits
0-100% relative humidity
Volumetric Displacement
Less than 0.005 in
3
(0,08 cm
3
)
Turn-on Time
2 seconds maximum
Response Time
Dead Time (T
d
)
Maximum dead time before analog output reacts to step change in input =
0.1 seconds
0.1 seconds
Update Rate
20 times per second minimum
Minimum Time Constant (T
c
)
Adjustable Damping
Time constant on analog output is incrementally adjustable from the
minimum values stated above to 25.6 seconds nominal
minimum values stated above to 25.6 seconds nominal
Table 5-2. Rosemount 3051ND and 3051NG Range and Sensor Limits
Range
Minimum Span
Range and Sensor Limits
Rosemount 3051ND, NG
Upper (URL)
Lower (LRL)
Rosemount 3051ND
Rosemount 3051NG
0
0.1 in H
2
0 (25 Pa)
3.0 in H
2
0 (750 Pa)
-3.0 in H
2
0 (-750 Pa)
NA
1
0.5 in H
2
0 (0,12 kPa)
25 in H
2
0 (6,22 kPa)
-25 in H
2
0 (-6,22 kPa)
NA
2
2.5 in H
2
0 (0,62 kPa)
250 in H
2
0 (62,2 kPa)
-250 in H
2
0 (-62,2 kPa)
-250 in H
2
0 (-62,2 kPa)
3
10 in H
2
0 (2,48 kPa)
1000 in H
2
0 (248 kPa)
-1000 in H
2
0 (-248 kPa)
0.5 psia (3,5 kPa abs)
4
3 psi (20,7 kPa)
300 psi (2 070 kPa)
-300 psi (-2 070 kPa)
0.5 psia (3,5 kPa abs)
5
20 psi (138 kPa)
2000 psi (13 800 kPa)
-2000 psi (-13 800 kPa)
0.5 psia (3,5 kPa abs)
Table 5-3. Rosemount 3051NA Range and Sensor Limits
Range
Minimum Span
Range and Sensor Limits
Upper (URL)
Lower (LRL)
0
0.167 psia (8,6 mmHga)
5 psia (260 mmHga)
0 psia (0 mmHga)
1
0.3 psia (2,07 kPa abs)
30 psia (206,8 kPa abs)
0 psia (0 kPa abs)
2
1.5 psia (10,34 kPa abs)
150 psia (1 034,2 kPa abs)
0 psia (0 kPa abs)
3
8 psia (55,16 kPa abs)
800 psia (5 515,8 kPa abs)
0 psia (0 kPa abs)
4
40 psia (275,8 kPa abs)
4000 psia (27 580 kPa abs)
0 psia (0 kPa abs)
At 70 °F, with minimum damping setting
Range Code
Minimum Time Constant (T
c
) Including Dead Time (T
d
)
0
≤
1.0 seconds
1
≤
0.5 seconds
2 - 5
≤
0.2 seconds