MTL Instruments MTL5044 2-Channel Signal Repeater

MTL5044 Dual Channel Transmitter Power Supply

The MTL5044 from MTL Instruments delivers dual-channel power for transmitters in hazardous areas. This compact unit powers two 2-wire transmitters while repeating both signals to safe-area loads. Weighing only 110g, it provides exceptional performance in a lightweight package.

Key Technical Specifications

• Brand: MTL Instruments
• Model: MTL5044
• Product Type: Dual Channel Repeater Power Supply
• Channels: Two independent channels
• Unit Weight: 110g lightweight design
• Transmitter Type: 2-wire 4-20mA conventional
• Response Time: 250µs per channel

Hazardous Area Certification

• Transmitter Location: Zone 0, IIC, T4-T6 hazardous area
• Division Rating: Division 1, Group A hazardous location
• The MTL5044 maintains intrinsic safety for both channels
• This 110g unit provides safe operation in explosive atmospheres

Input Specifications

• Signal Range: 0 to 24mA including over-range
• Transmitter Voltage: 16.5V at 20mA per channel
• Channel 1 Input: Terminal 1 (Input –ve), Terminal 2 (Input +ve)
• Channel 2 Input: Terminal 4 (Input –ve), Terminal 5 (Input +ve)
• The lightweight unit provides floating DC for two transmitters

Output Performance

• Signal Range: 4 to 20mA standard output per channel
• Extended Range: 0 to 24mA over/under-range
• Load Resistance: 0 to 550Ω maximum per channel
• Output Resistance: >2MΩ per channel
• Channel 1 Output: Terminal 11 (Output –ve), Terminal 12 (Output +ve)
• Channel 2 Output: Terminal 8 (Output –ve), Terminal 9 (Output +ve)

Accuracy & Speed

• Transfer Accuracy: Better than 20µA at 20°C per channel
• Typical Accuracy: Typically 5µA per channel
• Temperature Drift: <1µA/°C per channel
• Response Time: Settles within 250µs to 10% of final value
• Circuit Ripple: <125µA peak-to-peak per channel

Power & Physical Specifications

• Supply Voltage: 20 to 35V DC
• Unit Weight: 110g for easy installation
• Current Consumption: 110mA at 24V with two 20mA signals
• Power Dissipation: 1.5W at 24V maximum with both channels active
• Status Indicator: Green LED for power monitoring

Terminal Connections

• Power Supply: Terminal 13 (Supply –ve), Terminal 14 (Supply +ve)
• Channel 1: Terminals 1-2 (Input), Terminals 11-12 (Output)
• Channel 2: Terminals 4-5 (Input), Terminals 8-9 (Output)
• Clear terminal identification simplifies wiring of this 110g unit

Frequently Asked Questions

• How many transmitters can the MTL5044 power?
  It powers two independent 2-wire transmitters simultaneously.
• What is the unit's weight?
  The dual-channel supply weighs only 110 grams for easy handling.
• What load can each output drive?
  Each channel drives safe-area loads up to 550Ω.
• Is this suitable for Zone 0 areas?
  Yes, certified for Zone 0, IIC, T4-T6 hazardous areas.