MTL4644D Dual-Channel 4-20mA Isolator | MTL

MTL4644D Dual-Channel 4-20mA Isolator with HART Support

The MTL4644D from MTL Instruments delivers advanced signal isolation for industrial process control. This dual-channel isolator provides exceptional performance with HART communication capability. It ensures reliable signal integrity in demanding automation applications.

Key Features and Benefits

• The MTL4644D provides two completely isolated 4-20mA output channels in one compact unit.
• Channel 1 supports bi-directional HART communication for smart device integration.
• Ultra-fast 50 microsecond response time handles rapid process changes effectively.
• High accuracy of ±15 microamps at 20°C ensures precise signal conditioning.

Technical Specifications

• Brand: MTL Instruments
• Model: MTL4644D
• Input Range: Accepts 0-24mA signals for flexible process applications
• Output Range: Standard 4-20mA with 0-24mA over-range capability
• Load Capacity: Handles 360Ω at 24mA and 450Ω at 20mA maximum loads
• Measurement Accuracy: Maintains ±15μA precision across operating conditions
• Temperature Drift: Minimal <0.8μA/°C drift for stable performance
• Power Requirements: Consumes 96mA at 24V with 1.4W power dissipation
• Output Ripple: Very low <50μA peak-to-peak noise for clean signals

HART Communication Capabilities

• Bi-directional digital communication works seamlessly on Channel 1 output.
• Full compatibility with HART 2-wire transmitter protocols and devices.
• Maintains analog signal integrity while supporting digital communication.
• Enables remote configuration and monitoring of connected field devices.

Installation and Operation

• Fully floating DC power supply design simplifies electrical installation.
• Green LED power indicator provides clear visual status confirmation.
• Transmitter voltage of 16.5V at 20mA supports various field devices.
• Simple mounting and wiring procedures reduce installation time and costs.

Package Contents

• One complete MTL4644D dual-channel isolator module ready for installation.
• Detailed installation guide with wiring diagrams and specifications.
• Full set of mounting hardware for secure panel mounting.
• All necessary components for immediate system integration.

Shipping and Support

• All units are in stock and available for immediate shipment worldwide.
• Express shipping options include FedEx, UPS, and DHL for fast delivery.
• 24/7 technical support helps with installation and operational questions.
• Comprehensive documentation ensures proper setup and troubleshooting.