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LD290

Pressure Transmitter 4-20 mA Microprocessor Based


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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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