Emerson 3051N manual Span and Zero, Zero Elevation, and Suppression, Turn-onTime Response Time

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)

0≤ 1.0 seconds

1≤ 0.5 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

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