LD290
Pressure Transmitter 4-20 mA Microprocessor Based
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:
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Output
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Two-wire, 4-20 mA with HART superimposed digital communication signal.
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Power Supply
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12-45 Vdc
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Range
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0 a 25 MPa (3600 psi)
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Rangeability
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Accepts calibration from URL to URL/40
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Accuracy
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± 0.075% of calibatred span
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Update Output Current
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100ms
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FMEDA
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Analysis done by Exida
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MTBF
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239 years
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SIL
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Yes
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Calibration
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With reference and without reference.
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Access Protection
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Yes, by hardware.
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Diagnostic
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Yes, by LCD.
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Indicator
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Optional 41/2-digit numerical and 5-character alphanumerical LCD indicator.
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Only Eletric Board
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Only electronic board with math co-processor high-performance, interchangeable on all models.
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Update for FOUNDATION fieldbus and PROFIBUS PA
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With the simple exchange of the main electronic board can be easily converted to these digital protocols.
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Ambient Temperature Limits
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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) |
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Ambient Humidity Limits
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0 a 100% RH
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Diaphragms Insulators and Process Connection
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Aço Inox 316L ou Hastelloy C276
316L SST or Hastelloy C276 Diaphragm available Sanitary model also Monel 400 and Tantalum.
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Housing
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Injected low copper aluminum with polyester painting or 316 stainless steel housing. According to the NEMA 4X, IP66.
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Hazardous Area Certification
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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).
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Weight
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Less than 2.0 kg (4 lb)
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