MTL4544S Current Sink HART Support | Zone 0 Certified

MTL MTL4544S Current Sink: Hazardous-Area Safety Solution with HART Support

Product Description

The MTL4544S provides safe-area current sinking for hazardous locations. Designed for Zone 0/Division 1 explosive environments (IIC, T4-T6 certified), it supports HART communication on dedicated terminals. Accepts 4-20mA signals from separately powered transmitters.

Technical Specifications

• Brand: MTL
• Model: MTL4544S
• Measurement Range: 4-20mA (0-24mA over-range)
• Frequency Response: 50μs settling time
• Sensitivity: ±15μA accuracy at 20°C
• Resolution: 1μA effective
• Temperature Drift: <0.8μA/°C
• Environmental Rating: Zone 0, IIC/T4-T6, Div.1 Group A
• Anti-Interference: <50μA ripple, >1MΩ output resistance
• Power Requirement: 24V DC (96mA max)

Installation Guide

• Mount in safe-area enclosures only
• Channel 1: Terminals 1-3, Channel 2: Terminals 4-6
• HART devices must use terminals 1-2 & 4-5
• Max load: 600Ω per channel

Maintenance & Compatibility

• Verify operation via green LED indicator
• Calibrate at 20°C for peak accuracy
• Accepts 4-wire transmitters (no HART support)
• Compatible with simple apparatus (≤1.5V/0.1A)

Safety Certifications

• ATEX/IECEx: Zone 0, IIC, T4-T6
• UL Certified: Division 1, Group A
• Safety parameters: U_o=28V, I_o=93mA, P_o=651mW

Package & Shipping

• Includes: MTL4544S units
• Warranty: 12 months
• Global Shipping: FedEx, UPS, DHL

Diagnostic Capabilities

• HART protocol for remote device diagnostics
• Visual power status via LED indicator

Frequently Asked Questions

• Q: Can it power transmitters?
  A: No, acts as current sink only
• Q: HART support on all terminals?
  A: Only terminals 1-2 & 4-5
• Q: Maximum voltage for devices?
  A: 28V open-circuit (U_o)