• 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 FNPT, M20 X 1.5, G 1/2 A DIN 16288 - Form B, G1/2 DIN 16288 - Form D, 1/2 - 14 MNPT
  • 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
 
The above description encapsulates the entire product series. Specifications for individual configurations may vary depending on the selection chosen.
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5 Models In Stock

LD291-M51I-11-00-I3 *
$1,754.50 $1,595.00 9% off While Supplies Last
  • LCD Display (1)
  • Base Model

    LD291-M5
  • Diaphragm Material & Fill Fluid

    316L Stainless Steel, Silicone Oil
  • Process Connection Material

    316 Stainless Steel
  • Display

    LCD Display
  • Mounting

    None
LD291-M33I-01-00-I3 *
$1,478.40 $1,344.00 9% off While Supplies Last
SMAR LD291 Gage Pressure Transmitter, Range 3, Hastelloy C276 Diaphrarm, No LCD, No Bracket, CSA
LD291-M43I-01-02-I3
$1,284.00
  • Hastelloy Diaphragm (3)
  • Mounting Bracket (2)
  • Base Model

    LD291-M4
  • Diaphragm Material & Fill Fluid

    Hastelloy C-276, Silicone Oil
  • Process Connection Material

    316 Stainless Steel
  • Display

    None
  • Mounting

    316 Stainless Steel 2" Bracket & Accessories
LD291-M33I-11-00-I3 *
$1,700.60 $1,546.00 9% off While Supplies Last
  • LD291 = SMAR Transmitter (4-20mA HART)
  • M3 = Min/Max Span: 25 to 1000 Inches H2O
  • 3 = Hastelloy C276 Diaphragm w/ Silicone Oil
  • I = 316L Process Connection Material
  • 1 = LCD Display
  • 1= 1/2"-14 FNPT
  • 0 = 1/2" FNPT Electrical Connection
  • 0 = No Mounting Bracket
  • I3 = CSA Approved Explosion Proof and Intrinsically Safe
LD291-M53I-11-00-I3
$1,678.00
  • Hastelloy Diaphragm (3)
  • LCD Display (1)
  • Base Model

    LD291-M5
  • Diaphragm Material & Fill Fluid

    Hastelloy C-276, Silicone Oil
  • Process Connection Material

    316 Stainless Steel
  • Display

    LCD Display
  • Mounting

    None

Selected Configuration

Model #:

LD291-M51I-11-00-I3

Price:
$1,595.00 USD
Availability:
In Stock (16)
Min. Qty:
1 Item

Configuration

reset configuration

Agency Approvals

  • 3-A Sanitary
  • ATEX
  • CEPEL
  • CSA
  • EXAM
  • FM
  • GOST
  • NEPSI

Damping Adjustment

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

Pressure Range

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

Overpressure and Static Pressure Limits

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

Pressure Type

  • Gauge

Operating Temperature - Display

  • -20° to 85° C (-4° to 185° F)

Storage Temperature

  • -40° to 100° C (-40° to 212° F)

Temperature Effect

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

Ambient Temperature

  • -40° to 85° C (-40° to 185° F)

Humidity

  • 0 to 100% Relative Humidity

Process Temperature

  • -40° to 150° C (-40° to 302° F)

Accuracy

  • Ranges 2, 3, 4, 5: ±[0.0375 + 0,00375 URL/SPAN] % of Span (for span < 0.1 URL)
  • Ranges 2, 3, 4, 5: ±0.075% of Span (for span >= 0.1 URL)
  • Level Transmitter: ±[0.0504 + 0.0047 URL/span] % of Span (for span < 0.1 URL)
  • Level Transmitter: ±0.08% of Span (for span >= 0.1 URL)
  • Insertion Transmitter: ±0.2% of Span

Stability

  • ±0.15% of URL for 5 years

Volumetric Displacement

  • >0.15 cm³ (0.01 in³)

Electromagnetic Interference Effect

  • Approved according to IEC61326-1:2006, IEC61326-2-3:2006, IEC61000-6-4:2006, IEC61000-6-2:2005

Process Connection - Threaded

  • NPT Connection
  • 1/2" Male NPT
  • 1/2" Female NPT
  • Metric Connection
  • M20 x 1.5 Male

Media

  • Gas
  • Liquids and Gases
  • Steam

Environmental Protection

  • NEMA 4X

Power Supply Effect

  • ±0.005% of Calibrated Span Per Volt

Input

  • HART: 12-45 Vdc

Communication

  • HART

Electrical Connectors

  • 1/2" NPT

Output

  • 4-20 mA

Display

  • 4-1/2-digit Numerical and 5-character Alphanumerical LCD Indicator

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.

Mounting

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

Mounting Position Effect

  • Zero Shift of up to 250 Pa (1" H2O) which can be calibrated out. No Span effect.

Enclosure/Body Material

  • 316 Stainless Steel
  • Aluminum

Enclosure Finish

  • Polyester (Gray Munsell N 6.5) Paint

Flange Material

  • 304 Stainless Steel
  • 316 Stainless Steel
  • Carbon Steel

O-Ring Material

  • Buna-N

Diaphragm Material

  • Hastelloy C-276
  • Monel 400
  • Tantalum

Fill Material

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

Wetted Materials

  • 316 Stainless Steel
  • Hastelloy C-276

DDCON 100

SMAR Universal HART Configurator Kit

HI321

SMAR HART Interface Cable, USB Type

HPC401 PLUS

SMAR HPC401 Plus HART/DDL Configurator

SD1

SMAR Magnetic Screwdriver