MLD Loop Powered Indicator

Brand: Yokogawa Electric Corporation

The Model MLD field mounted indicators receive DC voltage or current signals from electronic transmitters and indicate process measurement values. 

Standard models are NEMA 4X and explosion proof.

Specifications

Accuracy

  • ± 0.05 % of Full Scale (1999) ± 1 Count

Approvals & Certifications

  • CSA
  • FM

Electrical Connectors

  • 1/2” x 14 Female NPT
  • M20 x 1.5 Female

Enclosure Finish

  • Epoxy Resin Coating
  • Gray Paint (RAL 7046)
  • Light Blue Paint (RAL 5012)
  • Mint Green Paint
  • Moss Green Baked Polyurethane Paint
  • Orange Paint (RAL 2008)
  • Polyurethane-Epoxy Anti-Corrosion Coating
  • Red Paint (Munsell 7.5 R4/14)
  • Silver Paint (RAL 9006)
  • Yellow Paint (RAL 1018)

Enclosure, Body Material

  • ASTM CF-8M Stainless Steel
  • Cast Aluminum Alloy
  • Die Cast Aluminum
  • SUS316 Cast Stainless Steel

Environmental Protection

  • Dust Ignition-Proof Class II/III, Groups E, F, G
  • Explosion-proof Class 1, Div. 1, Groups A, B, C, D
  • NEMA 4X

Input Signal

  • 4-20 mA DC

Insulation Resistance

  • 100 megaohms at 500 Vdc between Input Terminals & Case

Mounting

  • 2” (50 mm) Pipe Mount - Mounting Nominal
  • Field Mounting
  • Surface
  • Wall Mounted

Mounting Position

  • Horizontal
  • Vertical

Operating Temperature

  • -20° to 60° C (-4° to 140° F)

Output Format

  • Digital Output

Plug Material

  • 304 Stainless Steel - Blind Plug
  • 316 Stainless Steel - Blind Plug

Supply Voltage

  • 1,000 Vac for 1 Minute between Input Terminals & Case - Dielectric Strength

Thermal Drift

  • ± 0.3 Count/°C

Voltage Drop

  • 1.8 V Typical
  • 2 V, Max.
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