|
HART |
PROFIBUS PA |
input |
|
Measured variable |
Gage pressure (flush-mounted) |
Spans (infinitely adjustable) or nominal measuring range and max. pemissible test pressure |
Measured span |
Max. perm. test pressure |
Nominal measuring range |
Max. perm. test pressure |
|
0.01 ... 1 bar g (0.15 ... 14.5 psi g) |
6 bar g (87 psi g) |
1 bar g (14.5 psi g) |
6 bar g (87 psi g) |
|
0.04 ... 4 bar g (0.58 ... 58 psi g) |
10 bar g (145 psi g) |
4 bar g (58 psi g) |
10 bar g (145 psi g) |
|
0.16 ... 16 bar g (2.3 ... 232 psi g) |
32 bar g (464 psi g) |
16 bar g (232 psi g) |
32 bar g (464 psi g) |
|
Depending on the process connection, the span may differ from these values |
Depending on the process connection, the nominal 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) |
Measuring accuracy |
to EN 60770-1 |
Reference conditions |
Increasing characteristic, start-of-scale value 0 bar, stainless steel seal diaphragm, measuring cell with silicone oil, room temperature 25 °C (77 °F), span ratio (r = max. span / set span) |
Measurement deviation with cut-off point setting, including hysteresis and repeatability. |
|
Linear characteristic curve |
|
≤ 0.075 % |
|
≤ (0.0029 · r + 0.071)% |
|
|
≤ (0.0045 · r + 0.071)% |
|
|
≤ (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
(-40 ... 14 °F and 140 ... 185 °F) |
≤ (0.1·r + 0.15) %/10 K |
≤ 0.25 %/10 K |
Influence of the medium temperature (only with front-flush diaphragm) |
|
- Temperature difference between medium temperature and ambient temperature
|
3mbar/10 K (0.04 psi/10 K) |
Rated 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) |
|
-30 ... +85 °C (-22 ... +185 °F) |
|
-50 ... +85 °C (-58 ... +185 °F) |
Climatic category |
|
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 noise immunity
|
To EN 61326 and NAMUR NE 21 |
Medium conditions |
|
Temperature of medium |
|
- Measuring cell with silicone oil
|
-40 ... +100 °C (-40 ... +212 °F) |
Construction |
|
Weight (without options) |
Approx. 1 kg (2.2 lb) |
Enclosure material |
Stainless steel, mat. No. 1.4301/304 |
Material of parts in contact with the medium |
|
|
Hastelloy C276, mat. No. 2.4819 |
|
Silicone oil |
Power supply UH |
|
Terminal voltage on transmitter |
10.5 ... 42 V DC for intrinsically-safe operation: 10.5 ... 30 V DC |
Supplied through bus |
Separate power supply |
- |
Not necessary |
Bus voltage |
|
|
|
- |
9 ... 32 V |
- For intrinsically-safe operation
|
- |
9 ... 24 V |
Current consumption |
|
|
|
- |
12.5 mA |
- Startup current ≤ basic current
|
- |
Yes |
- Max. fault current in the event of a fault
|
- |
15.5 mA |
Fault disconnection electronics (FDE) |
- |
Available |
Certificates and approvals |
|
Classification according to pressure equipment directive (DRGL 97/23/EC) |
For gases of fluid group 1 and liquids of fluid group 1; complies with requirements of Article 3, paragraph 3 (sound engineering practice) |
Explosion protection |
|
Intrinsic safety "i" |
PTB 05 ATEX 2048 |
Identification |
Ex II 1/2 G EEx ia/ib IIB/IIC T4, T5, T6 |
Permissible ambient temp. |
|
|
-40 ... +85 °C (-40 ... +185 °F) |
|
-40 ... +70 °C (-40 ... +158 °F) |
|
-40 ... +60 °C (-40 ... +140 °F) |
Interface |
To certified intrinsically-safe circuits with maximum values:
Ui = 30 V, Ii = 100 mA, Pi = 750 mW, Ri = 300 Ω |
To certified intrinsically-safe circuits with maximum values:
FISCO supply unit:
Ui = 17.5 V, Ii = 380 mA, Pi = 5.32 W
Linear barrier:
Ui = 24 V, Ii = 250 mA, Pi = 1.2 W |
Effective inner capacitance: |
Ci = 6 nF |
Ci = 1.1 nF |
Effective inner inductance: |
Li = 0.4 mH |
Li ≤ 7 μH |
Explosion protection to FM for USA and Canada (cFMUS) |
|
|
- Identification (DIP) or (IS); (NI)
|
Certificate of Compliance 3025099
CL I, DIV 1, GP ABCD T4 ... T6; CL II, DIV 1, GP EFG; CL III; CL I, ZN 0/1 AEx ia IIC T4 ... T6; CL I, DIV 2, GP ABCD T4 ... T6; CL II, DIV 2, GP FG; CL III |
- Identification (DIP) or (IS)
|
Certificate of Compliance 3025099C
CL I, DIV 1, GP ABCD T4 ... T6; CL II, DIV 1, GP EFG; CL III; Ex ia IIC 4 ... T6; CL I, DIV 2, GP ABCD T4 ... T6; CL II, DIV 2, GP FG; CL III |