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MLA Loop Powered Indicator
Brand: Yokogawa Electric CorporationThe Model MLA 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
- ± 1.5 % of Full Scale
- ± 2 % of Full Scale with Low Temperature
Approvals & Certifications
- CSA
- FM
Electrical Connectors
- 1/2” x 14 Female NPT
- M20 x 1.5 Female
Enclosure Finish
- Epoxy Resin Coating
- Gray (RAL 7046) - Paint
- Light Blue (RAL 5012) - Paint
- Mint Green - Paint
- Moss Green Baked Polyurethane Paint
- Orange (RAL 2008) - Paint
- Polyurethane-Epoxy Anti-Corrosion Coating
- Red (Munsell 7.5 R4/14) - Paint
- Silver (RAL 9006) - Paint
- White - Scale or Faceplate Color
- Yellow (RAL 1018) - Paint
Enclosure, Body Material
- ASTM CF-8M Stainless Steel
- Cast Stainless Steel
- 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
- 10-50 mA DC
- 1-5 Vdc
- 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 Mounting
- Wall Mounted
Mounting Position
- Horizontal
- Vertical
Operating Temperature
- -20° to 60° C (-4° to 140° F) (MLA with All Other Options)
- -50° to 60° C (-58° to 140° F) (MLA with CSA Explosion-proof & Low Temperature)
Output Format
- Analog Output
Plug Material
- 304 Stainless Steel - Blind Plug
- 316 Stainless Steel - Blind Plug
Resistance
- < 13.5 ohms at 10-50 mA (MLA-B) - Input Resistance
- < 6.5 ohms at 4-20 mA (MLA-A) - Input Resistance
- 4 kiloohms at 1-5 V (MLA-C) - Input Resistance
Supply Voltage
- 1,000 Vac for 1 Minute between Input Terminals & Case - Dielectric Strength
Voltage Drop
- 1.8 V Typical