UMSITRAPDS3-1 Model Designations and Specifications
November 2010
9-5
TABLE 9-2 Model 7MF4033, Specifications
Input
Measured variable Gage pressure
Span (infinitely adjustable) Span Max. permissible test pressure
0.01 to 1 bar g (0.145 to 14.5 psi g) 6 bar g (87 psi g)
0.04 to 4 bar g (0.58 to 58 psi g) 10 bar g (145 psi g)
0.16 to 16 bar g (2.23 to 232 psi g) 32 bar g (464 psi g)
0.6 to 63 bar g (9.14 to 914 psi g) 100 bar g (1450 psi g)
1.6 to 160 bar g (23.2 to 2320 psi g) 250 bar g (3626 psi g)
4.0 to 400 bar g (58 to 5802 psi g) 600 bar g (8700 psi g)
Lower measuring limit
• Measuring cell, silicone oil filling 30 mbar a (0.435 psi a)
• Measuring cell, inert filling liquid 30 mbar a (0.435 psi a)
Upper measuring limit 100% of maximum span
• With oxygen measurement and inert
liquid
160 bar g (2320 psi g) maximum
Output
Output signal 4 to 20 mA
• Lower limit (infinitely adjustable) 3.55 mA, factory preset to 3.84 mA
• Upper limit (infinitely adjustable) 23 mA, factory preset to 20.5 mA or optionally set to 22.0 mA
Load
• Without HART communication R
B
≤ (U
H
– 10.5 V)/0.023 A in Ω; U
H
: power supply in V
• With Hart communication R
B
= 230 to 500 Ω (SIMATIC PDM); R
B
= 230 to 1100 Ω (HART Communicator)
Accuracy
To EN 60770-1
Reference Conditions 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)
Error in measurement and fixed-point
setting (including hysteresis and
repeatability)
• Linear characteristic
- r ≤ 10 ≤ (0.0029 * r + 0.071)%
- 10 ≤ r < 30 ≤ (0.0045 * r + 0.071) %
- 30 ≤ r < 100 ≤ (0.005 * r + 0.05)%
Long-term drift (temperature change
+/-30°C (+/-54°F))
≤ (0.25 * r)% every 5 years
Influence of ambient temperature
• at -10 to +60°C (14 to +140°F) ≤ (0.08 * r + 0.1)%
• at -40 to -10°C and +60 to +85°C (-40
to +14°F and 140 to +185°F)
≤ (0.1 * r + 0.15)%/10K
Rated operating conditions
Degree of protection (to EN 60529) IP65
Process temperature
• Measuring cell, silicon oil filling -40 to +100°C (-40 to +212°F)
• Measuring cell, inert filling liquid -20 to +100°C (-4 to +212°F)
• In conjunction with dust explosion
protection
-20 to +60°C (-4 to +140°F)
Ambient conditions
• Ambient temperature, digital indicators -30 to +85°C (-22 to +185°F)
• Storage temperature -50 to +85°C (-58 to +185°F)
• Climatic class, condensation Permissible
• Electromagnet compatibility To EN 61326 and NAMUR NE 21
Design
Weight, approximate, without options 1.5 kg (3.3 lb)
Housing material Low copper die-cast aluminum, GD-AISi 12 or stainless steel precision casing, mat.
No. 1.4408
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