Rosemount 3051N

Reference Manual

00809-0100-4808, Rev CA June 2008

Span and Zero, Zero

Elevation, and

Suppression

Zero and span values can be set anywhere within the range limits stated in Table 5-2and Table 5-3,providing sensor limits are not exceeded.

Span must be greater than or equal to the minimum span stated in Table 5-2and Table 5-3.

Table 5-2. Rosemount 3051ND and 3051NG Range and Sensor Limits

 

Minimum Span

 

Range and Sensor Limits

 

 

 

 

 

 

 

 

 

 

Lower (LRL)

 

 

 

 

 

 

Range

Rosemount 3051ND, NG

Upper (URL)

Rosemount 3051ND

 

Rosemount 3051NG

 

 

 

 

 

 

0

0.1 in H20 (25 Pa)

3.0 in H20 (750 Pa)

-3.0 in H20 (-750 Pa)

 

NA

1

0.5 in H20 (0,12 kPa)

25 in H20 (6,22 kPa)

-25 in H20 (-6,22 kPa)

 

NA

2

2.5 in H20 (0,62 kPa)

250 in H20 (62,2 kPa)

-250 in H20 (-62,2 kPa)

 

-250 in H20 (-62,2 kPa)

3

10 in H20 (2,48 kPa)

1000 in H20 (248 kPa)

-1000 in H20 (-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 and Sensor Limits

 

 

 

 

Range

Minimum Span

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)

 

 

 

 

Humidity Limits

Volumetric Displacement

Turn-on Time

Response Time

0-100% relative humidity

Less than 0.005 in3 (0,08 cm3)

2 seconds maximum

Dead Time (Td)

Maximum dead time before analog output reacts to step change in input = 0.1 seconds

Update Rate

20 times per second minimum

Minimum Time Constant (Tc)

At 70 °F, with minimum damping setting

Range Code

Minimum Time Constant (Tc) Including Dead Time (Td)

01.0 seconds

10.5 seconds

2 - 5

0.2 seconds

Adjustable Damping

Time constant on analog output is incrementally adjustable from the minimum values stated above to 25.6 seconds nominal

5-6

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Image 56
Emerson 3051N manual Span and Zero, Zero Elevation, Suppression, Range Minimum Span Upper URL Lower LRL