Siemens Sitrans P300 with PMC connection, To EN 61326 and Namur NE Siemens FI 01 ·

© Siemens AG 2008

SITRANS P measuring instruments for pressure

Transmitters for gage pressure for the paper industry

SITRANS P300 with PMC connection

■Technical specifications

	SITRANS P300 for gage pressure with PMC connection for the paper industry
		HART		PROFIBUS PA
2	Input
	Measured variable	Gage pressure (flush-mounted)
	Spans (infinitely adjustable) or	Span	Max. perm. test pres-	Nominal measuring	Max. perm. test pres-
	nominal measuring range and		sure	range	sure
	max. permissible test pressure	0.01 ... 1 bar g	6 bar g	1 bar g	6 bar g
		(0.15 ... 14.5 psi g)	(87 psi g)	(14.5 psi g)	(87 psi g)
		0.04 ... 4 bar g	10 bar g	4 bar g	10 bar g
		(0.58 ... 58 psi g)	(145 psi g)	(58 psi g)	(145 psi g)
		0.16 ... 16 bar g	32 bar g	16 bar g	32 bar g
		(2.3 ... 232 psi g)	(464 psi g)	(232 psi g)	(464 psi g)
		Depending on the process connection, the span		Depending on the process connection, the nomi-
		may differ from these values		nal measuring range may differ from these values
	Lower measuring limit
	• Measuring cell with silicone oil	100 mbar a (1.45 psi a)
	Upper measuring limit
	• Measuring cell with silicone oil	100% of max. span		100% of the max. nominal measuring range

Output
Output signal	4 ... 20 mA	Digital PROFIBUS PA signal
Physical bus	-	IEC 61158-2
With polarity reversal protection	No	Yes
Electrical damping T63 (step width 0.1 s)	Set to 0.1 s (0 ... 100 s)
Accuracy	To EN 60770-1
Reference conditions	Increasing characteristic, start-of-scale value 0 bar, stainless steel seal diaphragm, measuring cell
(All error data refer always refer to the set	with silicone oil, room temperature 25 °C (77 °F), span ratio (r = max. span/set span)
span)
Measurement deviation with cut-off point set-
ting, including hysteresis and repeatability.
Linear characteristic curve		≤ 0,075%
• r ≤ 10	≤ (0.0029 ⋅ r + 0.071)%
• 10 < r ≤ 30	≤ (0.0045 ⋅ r + 0.071)%
• 30 < r ≤ 100	≤ (0.005 ⋅ r + 0.05)%
Settling time T63 without electrical damping	Approx. 0.2 s
Long-term drift at ±30 °C (±54 °F)	≤ (0.25 ⋅ r)%/5 years	≤ 0.25%/5 years
Influence of ambient temperature
• at -10 ... +60 °C (14 ... 140 °F)	≤ (0.1 ⋅ r + 0.2)%	≤ 0,3%
• at -40 ... -10 °C and +60 ... +85 °C	≤ (0.1 ⋅ r + 0.15)%/10 K	≤ 0.25%/10 K
(-40 ... 14 °F and 140 ... 185 °F)
Influence of the medium temperature (only
with front-flush diaphragm)
• Temperature difference between medium	3 mbar/10 K (0.04 psi/10 K)
temperature and ambient temperature
Rated operating conditions
Installation conditions
Ambient temperature	Observe the temperature class in areas subject to explosion hazard.
• Measuring cell with silicone oil	-40 ... +85 °C (-40 ... +185 °F)
• Digital display	-30 ... +85 °C (-22 ... +185 °F)
• Storage temperature	-50 ... +85 °C (-58 ... +185 °F)
Climatic class
Condensation	Permissible
Degree of protection to EN 60529	IP65, IP68, NEMA X, enclosure cleaning, resistant to lyes, steam to 150° C (302 °F)
Electromagnetic compatibility
• Emitted interference and interfer. immunity	To EN 61326 and NAMUR NE 21

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Siemens FI 01 · 2009