Products

SMAR 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.

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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 calibrated 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

Indication

Optional 4 ½-digit numerical and 5-character alphanumerical LCD indicator

Only Electric 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

Temperature Limits

Ambient
– 40 a 85°C (-40 a 185 °F)

Process
– 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) (Sealing Rings in Viton)

Stocking
– 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) (Not damaged)

Ambient Humidity Limits

0 a 100% RH

Diaphragms Insulators and Process Connection

Stainless Steel 316L or 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)