LD290
Pressure Transmitter 4-20 mA Microprocessor Based
- LD290 - Series
- LD290 - 4 a 20 mA
- LD291 - HART® Models
- LD292 - Foundation Fieldbus Models
- LD293 - Profibus PA Models
- LD29xI - Insertion Level Transmitter
The LD290 - Pressure Transmitter 4-20 mA Microprocessor Based is the economical alternative in routine gage pressure measurement. The lightweight design eliminates the need for mounting brackets and transmitter supports in many applications. The model LD290 is a pure 4-20 mA transmitter.
Some Characteristics:
| Output | Two-wire, 4-20 mA with HART superimposed digital communication signal. |
| Power Supply | 12-45 Vdc |
| Range | 0 a 25 MPa (3600 psi) |
| Rangeability | Accepts calibration from URL to URL/40 |
| Accuracy | ± 0.075% of calibatred span |
| Update Output Current | 100ms |
| 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 Eletric 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. |
| Ambient Temperature Limits | Ambiente: - 40 a 85°C (-40 a 185 °F) Processo: - 40 a 100°C (-40 a 212 °F) (Silicone Oil) - 0 a 85°C (32 a 185 °F) (Fluorolube Oil) -25 a 85 ºC (-13 a 185 º F) (Anéis de Vedaçao em Viton) Estocagem: - 40 a 100°C (-40 a 212 °F) Display: - 10 a 60 ºC (14 a 140 º F) (In operation) - 20 a 80°C (-4 a 176 °F) - 40 a 85°C (-40 a 185 °F) (No damaged) |
| Ambient Humidity Limits | 0 a 100% RH |
| Diaphragms Insulators and Process Connection | Aço Inox 316L ou Hastelloy C276 316L SST or Hastelloy C276 Diaphragm available Sanitary model also Monel 400 and Tantalum. |
| Housing | Injected low copper aluminum with polyester painting or 316 stainless steel housing. According to the NEMA 4X, IP66. |
| 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) |
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