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Smar Gage Pressure Transmitters LD290 Series

Features:
0 ~ 125 Pa to 0 ~ 25 MPa
0 ~ 0.5 inH20 to 0 ~ 3600 psi
± 0.075% Accuracy
40:1 Rageability
Wetted parts in 316 SS, Hastelloy
Totally digital; including sensor, electronics and communication (ExceptLD290 - Pressure Transmitter)
Digital LCD display
Weather proof, explosion proof and intrinsically safe
Self diagnostics
Four options of technology

LD290 Pressure Transmitter - 4 a 20 mA
Updating time of output current in 100 ms;
With high performance mathematical co-processor;
Digital electronics and sensor;
Weather proof, explosion proof and intrinsically safe;
FMEDA (failure Modes, Effects and Diagnostic Analysis);
MTBF (Mean Time Between Failures) of 239 years;
MTTR (Mean Time to Repair) of 18 minutes;
MTTF (Mean Time to Failure) of 239 years;
Applicable in safety areas according to SIL (Safety Integrity Level) requirements;
Write protection by hardware;
Designed and manufactured according to ISO 9001 standards.
 
LD291 - HART®- 4 a 20 mA Pressure Transmitter
Updating time of output current in 100ms;
Improved performance due to dedicated math co-processor;
FMEDA (Failure Modes, Effects and Diagnostic) Analysis;
MTBF (Mean Time Between Failures) of 239 years;
MTTR (Mean Time to Repair) of 18 minutes;
MTTF (Mean Time to Failure) of 239 years;
Applicable in safety areas according to SIL (Safety Integrity Level) requirements;
Write protection by hardware;
Designed and manufactured according to ISO 9001 standards.
Zero, span and damping adjustment throughHART®local switches (only if fitted with display);
Easy update forFOUNDATIONTMfieldbusandPROFIBUSPA technologies.
 
LD292 -FOUNDATIONTMfieldbus Pressure Transmitter
Instantiation and deletion of function blocks;
Network master capability;
Easy update for HART®and Profibus PA technologies.
 
LD293 - PROFIBUS PA Pressure Transmitter
Use of the Analog Input function;
Easy firmware upgrade (via Flash Memory Interface);
Easy update toFOUNDATIONTMfieldbus and HART®protocol.
  Transmitters Types:
Gage Pressure – LD290:
The modelLD290is a pure 4-20 mA transmitter. Even though it has only analog input, its microprocessor-based electronics allow for total interchangeability with SMAR capacitive sensors. It automatically corrects sensor characteristics changes caused by temperature fluctuations.
Gage Pressure - LD291, LD292 e LD293:
The modelsLD291,LD292andLD293offer digital communication based in HART®,FOUNDATIONTMfieldbus and PROFIBUS PA - protocols, simplifying calibration and providing remote diagnostics. Their microprocessor-based electronic circuit allows for total interchangeability with SMAR capacitive sensors.
 

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