Create Site
Book a Demo

Demo Sites

Agriculture Instrumentation Industrial Equipment Automation HVAC Electronics Medical & Pharmaceutical Renewables Commercial & Residential Retail & Grocery Wholesale
Pricing
Create Free Partner Portal Now
Book Partner Orientation
Yodify Product Library
Instantly add the LD291-M Gauge Pressure Transmitter and 50,000+ more product series to your store or catalog  
Book Your Demo and See How
or create your store
SMAR Gauge Pressure Transmitter, LD290 Series, HART & 4-20 mA

LD291-M Gauge Pressure Transmitter

Brand: Smar International Corp
Add Product to My Catalog

SMAR Gauge Pressure Transmitter, LD290 Series, HART & 4-20 mA SMAR Gauge Pressure Transmitter, LD290 Series, HART & 4-20 mA SMAR Gauge Pressure Transmitter, LD290 Series, HART & 4-20 mA SMAR Gauge Pressure Transmitter, LD290 Series, HART & 4-20 mA SMAR Gauge Pressure Transmitter, LD290 Series, HART & 4-20 mA SMAR Gauge Pressure Transmitter, LD290 Series, HART & 4-20 mA
Features
  • Pressure Type: Gauge
  • Pressure Range: 0.625 bar to 250 bar, 5.02 inches WC to 10054.5 inches WC, 90.65 psi to 3625.94 psi.
  • Output: HART Protocol, 2-Wire, 4-20 mA
  • Power Supply: 12 to 45 Vdc.
  • Display: 4-1/2 digit numerical and 5-Character alphanumerical LCD indicator
  • Temperature:
    • Ambient: -40°C to 85°C (-40°F to 185°F)
    • Process: -40°C to 150°C (-40°F to 302°F)
  • Accuracy: ± 0.75% of span
  • Stability: ± 0.15% of URL per 5 years
  • Process Connection: 1/2"-14 Female NPT, M20 X 1.5, G 1/2 A DIN 16288 - Form B, G1/2 DIN 16288 - Form D, 1/2 - 14 Male NPT
  • Electrical Connection: 
    • 1/2"-14 NPT
    • 1/2 - 14 NPT X 3/4 NPT 316 Stainless Steel with Adapter
    • 1/2 - 14 NPT X 3/4 BSP 316 Stainless Steel with Adapter
    • 1/2 - 14 NPT X 1/2 BSP 316 Stainless Steel with Adapter
    • 1/2-1/2 NPTF 316 Stainless Steel with Adapter
    • 1/2 - 3/4 NPTF 316 Stainless Steel with Adapter
  • Materials of Construction:
    • Wetted Parts: Hastelloy® C-276 or 316 Stainless Steel
    • Fill Fluid: Silicone or Fluorolube Oil
    • Cover O-Ring: Buna-N
    • Mounting Bracket: Plated Carbon or 316 Stainless Steel
  • Environmental Certifications: NEMA 4, 4X, IP66, IP66W
  • CSA Intrinsically Safe, Non-Incendive, Explosion Proof, Dust Ignition Proof
  • Order includes a SMAR Magnetic Screwdriver for adjustments if the LCD Display option is selected in the configuration below

1 - 12 of 109 Part Numbers
D291-M41I-1G-A0
D291-M41I-1G-A0
SMAR LD291 Gage Pressure Transmitter, Range 4, 316L SST, G 1/2 a DIN 16288 - FORM B, M20 x 1.5
LD291-M21-01-00-I3
LD291-M21-01-00-I3
  • Base Model - LD291-M2
  • Diaphragm Material & Fill Fluid - 316L Stainless Steel, Silicone Oil
  • Display - None
  • Mounting - None
LD291-M21-01-01-I3
LD291-M21-01-01-I3
  • Base Model - LD291-M2
  • Diaphragm Material & Fill Fluid - 316L Stainless Steel, Silicone Oil
  • Display - None
  • Mounting - Carbon Steel 2" Bracket & Accessories
LD291-M21-01-02-I3
LD291-M21-01-02-I3
  • Base Model - LD291-M2
  • Diaphragm Material & Fill Fluid - 316L Stainless Steel, Silicone Oil
  • Display - None
  • Mounting - 316 Stainless Steel 2" Bracket & Accessories
LD291-M21-11-00-I3
LD291-M21-11-00-I3
  • Base Model - LD291-M2
  • Diaphragm Material & Fill Fluid - 316L Stainless Steel, Silicone Oil
  • Display - LCD Display
  • Mounting - None
LD291-M21-11-01-I3
LD291-M21-11-01-I3
  • Base Model - LD291-M2
  • Diaphragm Material & Fill Fluid - 316L Stainless Steel, Silicone Oil
  • Display - LCD Display
  • Mounting - Carbon Steel 2" Bracket & Accessories
LD291-M21-11-02-I3
LD291-M21-11-02-I3
  • Base Model - LD291-M2
  • Diaphragm Material & Fill Fluid - 316L Stainless Steel, Silicone Oil
  • Display - LCD Display
  • Mounting - 316 Stainless Steel 2" Bracket & Accessories
LD291-M21I-01-00-I3
LD291-M21I-01-00-I3
SMAR LD291 Gage Pressure Transmitter, Range 2, No LCD, No Bracket, CSA
  • LD291: SMAR Transmitter (4-20mA HART)
  • M2: Range Limits Min/Max Span: 5 to 202 Inches H2O
  • 1: Diaphragm Material 316L SST w/ Silicone Oil
  • I: Process Connection Material 316L SST
  • 0: Local Indicator  Without
  • 1: Process Connection 1/2"-14 FNPT
  • 0: Electrical Connection - 1/2" FNPT 
  • 0: Mounting Bracket - No Mounting Bracket
  • I3: Identification Plate - CSA Approved Explosion Proof and Intrinsically Safe
LD291-M21I-01-01-I3
LD291-M21I-01-01-I3
  • Base Model - LD291-M2
  • Diaphragm Material & Fill Fluid - 316L Stainless Steel, Silicone Oil
  • Process Connection Material - 316 Stainless Steel
  • Display - None
  • Mounting - Carbon Steel 2" Bracket & Accessories
LD291-M21I-01-02-I3
LD291-M21I-01-02-I3
  • Base Model - LD291-M2
  • Diaphragm Material & Fill Fluid - 316L Stainless Steel, Silicone Oil
  • Process Connection Material - 316 Stainless Steel
  • Display - None
  • Mounting - 316 Stainless Steel 2" Bracket & Accessories
LD291-M21I-11-00-I3
LD291-M21I-11-00-I3
SMAR LD291 Gage Pressure Transmitter, Range 2, LCD, No Bracket, CSA
  • LD291: SMAR Transmitter (4-20mA HART)
  • M2: Range Limits Min/Max Span: 5 to 202 Inches H2O
  • 1: Diaphragm Material 316L SST w/ Silicone Oil
  • I: Process Connection Material 316L SST
  • 1: Local Indicator  With 
  • 1: Process Connection 1/2"-14 FNPT
  • 0: Electrical Connection - 1/2" FNPT 
  • 0: Mounting Bracket - No Mounting Bracket
  • I3: Identification Plate - CSA Approved Explosion Proof and Intrinsically Safe
LD291-M21I-11-01-I3
LD291-M21I-11-01-I3
SMAR LD291 Gage Pressure Transmitter, Range 2, LCD, Mounting Bracket, CSA
  • LD291: SMAR Transmitter (4-20mA HART)
  • M2: Range Limits Min/Max Span: 5 to 202 Inches H2O
  • 1: Diaphragm Material 316L SST w/ Silicone Oil
  • I: Process Connection Material 316L SST
  • 1: Local Indicator  With 
  • 1: Process Connection 1/2"-14 FNPT
  • 0: Electrical Connection - 1/2" FNPT 
  • 1: Mounting Bracket - Carbon Steel Mounting Bracket
  • I3: Identification Plate - CSA Approved Explosion Proof and Intrinsically Safe
1 - 12 of 109 Part Numbers

View_Details

Specifications

Brand

Accuracy

  • Insertion Transmitter: ± 0.2 % of Span
  • Level Transmitter: ± [0.0504 + 0.0047 URL/Span] % of Span (For Span = 0.1 URL)
  • Ranges 2, 3, 4, 5: ± [0.0375 + 0,00375 URL/Span] % of Span (For Span = 0.1 URL)

Ambient Temperature Range

  • -40° to 85° C (-40° to 185° F)

Approvals & Certifications

  • 3A Sanitary
  • CEPEL
  • CRN
  • CSA
  • EXAM
  • FM
  • GOST
  • NEMKO ATEX
  • NEPSI

Communication

  • HART: 2-Wire, 4-20 mA According to NAMUR NE43 Specification, with Superimposed Digital Communication.

Configuration

  • HART: by Digital Communication Using the Configuration Interface CONF301 or the HART Pocket Configurator HPC301. Basic Configuration May be Done Using Local Adjustment Magnetic Tool if Device is Fitted with Display.

Damping Adjustment

  • User Configurable from 0 to 128 seconds (via Digital Communication)

Diaphragm Material

  • Hastelloy C-276
  • Monel 400
  • Tantalum

Display

  • 4-1/2-Digit Numerical & 5-Character Alphanumerical LCD Indicator

Electrical Connectors

  • 1/2” NPT

Electromagnetic Interference Effect

  • Approved According to IEC 61326-1: 2006, IEC 61326-2-3: 2006, IEC 61000-6-4: 2006, IEC 61000-6-2: 2005

Enclosure Finish

  • Polyester (Gray Munsell N 6.5) Paint

Enclosure, Body Material

  • 316 Stainless Steel
  • Injected Aluminum

Environmental Protection

  • IP66
  • IP68
  • NEMA 4X, 6P / IP66, 68
  • NEMA 6P

Fill Material

  • Fluorolube Oil
  • HaloCarbon 4.2 Oil
  • Krytox Oil
  • Silicone Oil

Flange Material

  • 304 Stainless Steel
  • 316 Stainless Steel
  • Carbon Steel

Humidity

  • 0 to 100 % Relative Humidity

Input

  • HART: 12-45 Vdc

Media

  • Gas
  • Liquids & Gases
  • Steam

Metric Connection

  • M20 x 1.5 Male

Mounting

  • 316 Stainless Steel Bracket & Accessories
  • Carbon Steel Bracket & Accessories
  • None

Mounting Position Effect

  • Zero Shift of up to 250 Pa (1”H₂O)

NPT Connection

  • 1/2” NPT Female
  • 1/2” NPT Male

O-Ring Material

  • Buna-N

Operating Temperature - Display

  • -20° to 85° C (-4° to 185° F)

Output

  • 4-20 mA

Overpressure & Static Pressure Limits

  • psi: 2,000 (bar: 137.9, MPa: 14) for Ranges 2, 3, & 4
  • psi: 4,500 (bar: 310.3, MPa: 31) for Range 5

Power Supply Effect

  • ± 0.005 % of Calibrated Span Per Volt

Pressure Range

  • bar: 0.625 to 250
  • Inches WC: 5.02 to 10,054.5
  • kPa: 62.5 to 25,000
  • psi: 90 to 3,626

Pressure Type

  • Gauge

Process Temperature

  • -40° to 150° C (-40° to 302° F)

Stability

  • ± 0.15 % of URL for 5-Years

Storage Temperature

  • -40° to 100° C (-40° to 212° F)

Temperature Effect

  • ± [0.023 % of URL + 0.045 % of Span], Per 20° C (68° F) for Span = 0.2 URL
  • ± [0.023 % of URL + 0.045 % of Span], Per 20° C (68° F) for Span < 0.2 URL
  • ± [0.02 % of URL + 0.06 % of Span], Per 20° C (68° F) for Span > = 0.2 URL

Volumetric Displacement

  • > 0.15 cm³ (0.01”³)

Wetted Materials

  • 316 Stainless Steel
  • Hastelloy C-276

Documentation

Product Manuals

Application Considerations

Catalogs

Certifications & Approvals

Instantly populate your store or catalog 
CREATE YOUR SITE
or book a demo with the Yodify Team
show more