MTL Instruments MTL3081 Signal Isolator

MTL3081 Thermocouple Signal Isolator: Safe Signal Conditioning for Hazardous Areas

The MTL3081 thermocouple signal isolator from MTL Instruments ensures reliable signal integrity in dangerous environments. This robust device provides essential electrical isolation between hazardous areas and safe control systems. It offers simple plug-and-play operation without requiring any field calibration.

Key Features and Benefits

• The MTL3081 effectively isolates thermocouple and millivolt signals from Zone 0 and IIC hazardous areas.
• It features configurable sensor burnout protection with high, low, or off settings for flexibility.
• The wide ±50mV input range accommodates all common thermocouple types and applications.
• You can install it immediately with plug-and-play operation that needs no calibration.

Detailed Technical Specifications

• Brand: MTL Instruments
• Model: MTL3081
• Input/Output Range: 0 to ±50mV for versatile signal compatibility
• Measurement Accuracy: 0.05% or ±5μV, whichever value is greater
• Temperature Drift: Maintains stability with less than 2μV/°C maximum drift
• Response Time: Fast 50ms response to reach 10% of the final value
• Output Impedance: Low ≤250Ω impedance ensures strong signal transmission
• Power Supply: Operates on 20-35V DC with maximum 10mA current draw

Safety Certifications and Protection

• The unit carries Zone 0, IIC, T4 and Div 1, Group A certifications for hazardous locations.
• Entity Parameters ensure safety with Voc=1.2V and Isc=22.5mA limits.
• Input Protection features non-energy-storing design with ≤1.2V and ≤0.1A limits.
• This design prevents energy accumulation that could cause ignition risks.

Advanced Burnout Protection

• Selectable upscale or downscale response for sensor failure conditions.
• Protection activates automatically at rates greater than 10mV per second.
• A clear LED indicator shows when burnout protection is actively working.
• This feature provides immediate visual warning of sensor problems.

Common Applications and Uses

• Direct thermocouple signal isolation in process control systems.
• Continuous process temperature monitoring in chemical plants.
• Hazardous area instrumentation for oil and gas applications.
• Safety-critical temperature systems requiring reliable isolation.

Package Contents and Accessories

• One MTL3081 thermocouple signal isolator module weighing 170g.
• One 50mA replaceable fuse for adequate circuit protection.
• Comprehensive installation guide with setup instructions.
• Complete mounting hardware for easy panel installation.

Ordering and Shipping Information

• This product remains in stock for immediate shipment to your facility.
• We offer worldwide express shipping through major carriers like FedEx, UPS, and DHL.
• Our technical support team provides 24/7 assistance for installation questions.