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LD291
Smart Pressure Transmitter 4 to 20 mA
+ HART
The model LD291 offers digital HART based communication simplifying calibration and providing remote diagnostics.
Its microprocessor-based electronics allow for total interchangeability
with SMAR capacitive sensor. It automatically corrects sensor characteristic
changes caused by temperature fluctuations.
Some Characteristics:
Output |
Two-wire, 4-20 mA with HART superimposed digital communication signal |
Range |
0 to 25 MPa (3600 psi) |
Rangeability |
Accepts calibration from URL to URL/40 |
Accuracy |
± 0.1% of calibatred span |
Power Supply |
12-45 Vdc |
Update Output Current |
100 ms |
FMEDA |
Analysis done by Exida |
MTBF |
239 years |
SIL |
Yes |
Calibration |
With reference and without reference |
Access Protection |
Yes, by hardware |
Diagnostic |
Yes, by LCD |
Indicator |
Optional 41/2-digit numerical and 5-character alphanumerical LCD indicator |
Only Electronic Board |
Only electronic board with math co-processor high-performance, interchangeable on all models. |
Update for FOUNDATION fieldbus and PROFIBUS PA |
With the simple exchange of the main electronic board can be easily converted to these digital protocols. |
Temperature Limits |
Ambient:
- 40 to 85°C (-40 to 185 °F)
Process:
- 40 to 100°C (-40 to 212 °F) (Silicon Oil)
- 0 to 85°C (32 to 185 °F) (Inert Fluorolube Oil)
-25 to 85 ºC (-13 to 185 º F) (Viton O´Ring)
Storage:
- 40 to 100°C (-40 to 212 °F)
Display:
- 10 to 60 ºC (14 to 140 º F) (Operation)
- 20 to 80°C (-4 to 176 °F)
- 40 to 85°C (-40 to 185 °F) (Without Damages) |
Process Temperature Limits |
-40 to 100 ºC (-40 to 212 ºF) (Silicone Oil)
0 to 85 ºC (32 to 185 ºF) (Fluorolube Oil) |
Ambient Humidity Limits |
0 to 100% RH |
Housing |
Injected low copper aluminum with polyester painting or 316 stainless steel housing. According to the NEMA 4X, IP66. |
Wetted Parts |
316L SST, Hastelloy C276 |
Nonwetted Parts |
Injected aluminum with polyester painting or 316 SST |
Hazardous Area Certification |
Intrinsic Safe (FM, CSA, Nemko, Dekra/EXAM, Cepel and NEPSI), non-incendive (FM, CSA and Cepel), explosion proof (FM, Nemko and Cepel) and dust ignition proof (FM). |
Weight |
Less than 2.0 kg (4 lb) |
Library Lists:
Hart:
- DD HART (275/375 Programming) - For more details about DDs in 275/375 Programming, contact Hart Foundation (www.Hartcomm.org)
- DTM HART
- LD301DTM version 2.02
- LD291DTM version 2.01
- FY301DTM version 2.03
- TT301DTM version 2.02
- DT301DTM version 2.01
- TP301DTM version 2.01
- LD400DTM version 1.01
- FY400DTM version 1.03
For download DD, DTM and GSD files of SMAR products, click here.
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