Siemens SITRANS P Brochure & Specs page 124

SITRANS P measuring instruments for pressure
Transmitters for gage, absolute and differential pressure, flow and level
DS III series
for level
■
Technical specifications
SITRANS P, DS III series for level
Input
2
Measured variable
Spans (infinitely adjustable) or
nominal measuring range and
max. permissible working pressure
Lower measuring limit
• Measuring cell with silicone oil filling
Upper measuring limit
Output
Output signal
• Lower limit (infinitely adjustable)
• Upper limit (infinitely adjustable)
Load
• Without HART communication
• With HART communication
Physical bus
With polarity reversal protection
Accuracy
Reference conditions
(All error data refer always refer to the set span)
Error in measurement and fixed-point setting
(including hysteresis and repeatability)
• Linear characteristic
- r 10
- 10 < r 30
- 30 < r 100
Long-term drift (temperature change 30 °C
( 54 °F))
Influence of ambient temperature
• at -10 ... +60 °C (14 ... 140 °F)
- 250 mbar (3.63 psi) measuring cell
- 600 mbar (8.7 psi) measuring cell
- 1600 and 5000 mbar (23.2 and 72.5 psi)
measuring cells
• at -40 ... -10 °C and +60 ... +85 °C
(-40 ... +14 °F and 140 ... 185 °F)
- 250 mbar (3.63 psi) measuring cell
- 600 mbar (8.7 psi) measuring cell
- 1600 and 5000 mbar (23.2 and 72.5 psi)
measuring cells
2/124 Siemens FI 01 · 2009
© Siemens AG 2008
HART
Level
Span Maximum working
pressure
25 ... 250 mbar g See "Mounting flange"
(0.36 ... 3.63 psi g)
25 ... 600 mbar g See "Mounting flange"
(0.36 ... 8.7 psi g)
53 ... 1600 mbar g See "Mounting flange"
(0.77 ... 23.2 psi g)
160 ... 5000 mbar g See "Mounting flange"
(2.32 ... 72.5 psi g)
-100% of max. span or 30 mbar (0.435 psi a), depending on mounting flange
100% of max. span
4 ... 20 mA
3.55 mA, factory preset to 3.84 mA
23 mA, factory preset to 20.5 mA or optionally
set to 22.0 mA
R (U - 10.5 V)/0.023 A in ,
B H
U : Power supply in V
H
R = 230 ... 500 (SIMATIC PDM) or
B
R = 230 ... 1100 (HART Communicator)
B
-
-
To EN 60770-1
Increasing characteristic, start-of-scale value 0 bar, stainless steel seal diaphragm, silicone oil fill-
ing, room temperature 25 °C (77 °F)) r: Span ratio (r = max. span / set span)
0.15%
0.3%
(0.0075 r + 0.075)%
(0.25 r)% every 5 years
static pressure max. 70 bar g (1015 psi g)
(0.5 r + 0.2)%
(0.4 instead of 0.2 with 10 < r 30)
(0.3 r + 0.2)%
(0.4 instead of 0.2 with 10 < r 30)
(0.25 r + 0.2)% (0.4 instead of 0.2 with 10 < r
30)
(0.25 r +0.15)%/10 K
double values with 10 < r 30
(0.15 r +0.15)%/10 K
double values with 10 < r 30
(0.12 r +0.15)%/10 K
double values with 10 < r 30
PROFIBUS PA or FOUNDATION Fieldbus
Nominal measuring Maximum working
range pressure
250 mbar g See "Mounting flange"
(3.63 psi g)
600 mbar g See "Mounting flange"
(8.7 psi g)
1600 mbar g See "Mounting flange"
(23.2 psi g)
5000 mbar g See "Mounting flange"
(72.5 psi g)
100% of the max. nominal measuring range
Digital PROFIBUS PA or FOUNDATION Fieldbus
signal
-
-
-
-
IEC 61158-2
Yes
0.075%
(0.25% every 5 years
static pressure max. 70 bar g (1015 psi g)
0,7%
0,5%
0,45%
0.4%/10 K
0.3%/10 K
0.27%/10 K