Smar 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.
Besides its analog output, its microprocessor-based electronics allow for total interchangeability with SMAR capacitive sensors. It automatically corrects sensor characteristic changes caused by temperature fluctuations.
|
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 |
± 0.075% 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 |
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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. |
|
Ambient Temperature Limits |
-40 to 85 ºC (-40 to 185 ºF) |
|
Process Temperature Limits |
-40 to 100 ºC (-40 to 212 ºF) (Silicone 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) |
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