Description
MTL5042 Hazardous Area Signal Conditioner: Reliable 4-20mA Repeater with HART Support
Product Description
This safety barrier powers 2/3-wire transmitters in hazardous areas while repeating 4-20mA signals to safe areas. Supports bidirectional digital communications for HART®, Honeywell DE, Foxboro, and Yokogawa Brain protocols through the same wires.
Key Technical Data
Brand/Model: MTL5042 Series
Input Range: 0-24mA (hazardous area)
Output Range: 4-20mA (0-24mA over-range)
Accuracy: <10µA at 20°C
Temperature Stability: <0.5µA/°C
Response Time: 40µs to 90% value
Load Capacity: 0-600Ω (safe area)
Power Supply: 20-35V DC
Installation Guide
Terminal Functions:
Hazardous Area:
– 1: Current input
– 2: Transmitter supply (+ve)
– 3: Common
Safe Area:
– 11: Output (-ve)
– 12: Output (+ve)
– 13: Supply (-ve)
– 14: Supply (+ve)
Note: Use HAZ4-6 connectors for hazardous area, SAF7-9 for safe area
Compatibility
Works with all conventional 4-20mA transmitters and supports:
• HART® protocol
• Honeywell DE
• Foxboro systems
• Yokogawa Brain
Bi-directional communication for smart transmitters
Safety Certifications
Approved for:
– Zone 0, IIC, T4-T6 hazardous areas
– Division 1, Group A locations
Intrinsically Safe (IS) design prevents energy storage
Package Includes
• MTL5042 Signal Conditioner Unit
• Installation Manual
• Compliance Documentation
Warranty & Shipping
12-month warranty
Global shipping via FedEx, UPS, DHL
Delivery within 3-5 business days











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