Models 7Mf4433 And 7Mf4533, Specifications - Siemens 7MF4333 User Manual

Model Designations and Specifications
TABLE 9-9 Models 7MF4433 and 7MF4533, Specifications
Input
Measured variable
Span (infinitely adjustable)
Lower measuring limit
• Measuring cell, silicone oil filling
Upper measuring limit
Output
Output signal
• Lower limit (infinitely adjustable)
• Upper limit (infinitely adjustable)
Load
• Without HART communication
• With Hart communication
Accuracy
Reference Conditions
Error in measurement and fixed-point
setting (including hysteresis and
repeatability)
• Linear characteristic
- r ≤ 10
- 10 < r ≤ 30
- 30 < r ≤ 100
• Square-root characteristic (flow >
50%)
- r ≤ 10
- 10 < r ≤ 30
• Square-root characteristic (flow 25 to
50%)
- r ≤ 10
- 10 < r ≤ 30
Long-term drift (temperature change
+/-30°C (+/-54°F))
• 20 mbar (0.29 psi)-measuring cell
Influence of ambient temperature
• at -10 to +60°C (14 to +140°F)
• at -40 to -10°C and +60 to +85°C (-40
to +14°F and 140 to +185°F)
9-22
Differential pressure and flow
Span
1 to 20 mbar (0.4 to 8 inH O)
2
1 to 60 mbar (0.4 to 24 inH O)
2
2.5 to 250 mbar (1 to 100 inH
6 to 600 mbar (2.4 to 240 inH
16 to 1600 mbar (6.4 to 642 inH
50 to 5000 mbar (20 to 2000 inH
0.3 to 30 bar (4.35 to 435 psi)
2.5 to 250 mbar (1 to 100 inH
6 to 600 mbar (2.4 to 240 inH
16 to 1600 mbar (6.4 to 642 inH
50 to 5000 mbar (20 to 2000 inH
0.3 to 30 bar (4.35 to 435 psi)
-100% of span; -33% with 30 bar (435 psi) measuring cell or 30 mbar a (0.44 psi)
100% of maximum span (for oxygen version and inert filling liquid; max. 160 bar g
(2320 psi g))
4 to 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; R
B H
U : power supply in V
H
R = 230 to 500 Ω (SIMATIC PDM) or
B
R = 230 to 1100 Ω (HART Communicator)
B
To EN 60770-1
Increasing characteristic, start of scale value 0 bar, stainless steel seal diaphragm,
silicon oil filling, temperature 25°C (77°F) r: span ratio (r = max. span/set span)
≤ (0.0029 * r + 0.071)%
≤ (0.0045 * r + 0.071)%
≤ (0.005 * r + 0.05)%
≤ 0.1%
≤ 0.2%
≤ 0.2%
≤ 0.4%
≤ (0.25 * r)% every 5 years
static pressure max. 70 bar g (1015 psi g)
≤ (0.2 * r) per year
≤ (0.08 * r + 0.1)%
≤ (0.1 * r + 0.15)%/10K (Twice the value
with 20-mbar (0.29 psi) measuring cell)
Max. permissible text pressure
32 bar a (464 psi)
160 bar a (2320 psi)
O)
2
O)
2
O)
2
O)
2
O) 420 bar (6091 psi)
2
O)
2
O)
2
O)
2
in Ω
B
UMSITRPDS3-1
November 2010