Product Overview
The MTL 8103-AI-TX is a high-performance analog input isolator-transmitter engineered to protect industrial control systems from electrical noise, ground loops, and hazardous voltage transients—critical for safe operation in explosive or harsh environments. As a flagship product in MTL’s industrial safety portfolio, the MTL 8103-AI-TX converts and isolates 4-20 mA analog signals from field devices (e.g., sensors, transmitters) before sending them to DCS or PLC systems, ensuring signal integrity and personnel safety. Its core features include intrinsic safety certification (ATEX/IECEx), galvanic isolation (2.5 kVrms), and wide compatibility with process industry sensors. The MTL 8103-AI-TX also supports flexible mounting and low power consumption, making it ideal for oil & gas, petrochemical, and pharmaceutical facilities where compliance with safety standards is non-negotiable. With its robust design and reliable performance, the MTL 8103-AI-TX is a trusted solution for bridging field devices and control systems in hazardous areas.
Hainan Jinlin Mechanical & Electrical is a distributor of industrial control products, specializing in a wide range of brands. We possess extensive industry knowledge and market insights. Adhering to the "Customer First, Forge Ahead" business philosophy, we provide high-quality customer service. We're here for you, dedicated to meeting your needs!
Technical Specifications
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Parameter
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Value
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Product Model
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MTL 8103-AI-TX
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Manufacturer
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MTL Instruments (a Siemens company)
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Product Type
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Analog Input Isolator-Transmitter
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Input Signal Range
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4-20 mA DC (current input)
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Output Signal Range
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4-20 mA DC (isolated, proportional)
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Isolation Voltage
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2.5 kVrms (input-output-ground)
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Safety Certifications
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ATEX II 1G Ex ia IIC T4 Ga; IECEx Ex ia IIC T4 Ga
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Operating Temperature
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-20°C to +60°C (-4°F to +140°F)
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Power Supply
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24 V DC (18-32 V DC)
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Mounting Type
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DIN Rail (35 mm, EN 50022)
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Enclosure Rating
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IP20 (panel-mounted, indoor use)
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Key Features and Benefits
Intrinsic Safety for Hazardous Areas
The MTL 8103-AI-TX is certified to ATEX and IECEx standards for intrinsic safety (Ex ia IIC T4 Ga), meaning it limits electrical energy to levels that cannot ignite flammable gases, vapors, or dust in Zone 0/1 hazardous areas. This certification is critical for oil refineries, chemical plants, and gas processing facilities, where even small electrical arcs could trigger explosions—making the MTL 8103-AI-TX a foundational component of safe process control.
Galvanic Isolation to Eliminate Signal Interference
With 2.5 kVrms galvanic isolation between input, output, and power supply, the MTL 8103-AI-TX breaks ground loops and blocks electrical noise from industrial environments (e.g., from variable frequency drives or high-voltage equipment). This ensures the 4-20 mA signal from field sensors (e.g., pressure, temperature transmitters) remains accurate and stable, preventing false readings that could lead to incorrect process decisions or equipment damage.
Robust Signal Conversion and Transmission
The MTL 8103-AI-TX maintains exceptional signal linearity (±0.1% of full scale) and low drift (<0.01% of full scale per °C), ensuring precise conversion of input signals to isolated outputs. This performance is essential for critical processes like batch chemical production or oil pipeline pressure monitoring, where even minor signal errors could result in product defects, waste, or safety risks.
Flexible Installation and Low Power Consumption
Designed for DIN rail mounting (35 mm, EN 50022), the MTL 8103-AI-TX fits easily into standard control panels, saving space and simplifying installation. It also operates on a low 24 V DC power supply (18-32 V DC) with minimal current draw (<10 mA), reducing energy costs and making it compatible with battery-backed systems for emergency operations.
Wide Industry Compatibility
The MTL 8103-AI-TX works seamlessly with most industrial sensors and control systems, including DCS platforms from ABB, Honeywell, and Siemens, as well as PLCs from Rockwell and Schneider Electric. This versatility eliminates the need for custom adapters, reducing integration time and ensuring the isolator-transmitter can be retrofitted into existing process control setups with minimal disruption.
Related Models
- MTL 8103-AI-RX – Analog input isolator-receiver variant of the MTL 8103-AI-TX, designed to accept isolated 4-20 mA signals and convert them for direct PLC/DCS input (ideal for two-way signal paths).
- MTL 8103-AO-TX – Analog output isolator-transmitter counterpart to the MTL 8103-AI-TX, used to send isolated 4-20 mA signals from control systems to field actuators (e.g., valves, pumps).
- MTL 8103-AI-TX-H – High-temperature rated version of the MTL 8103-AI-TX (-40°C to +85°C), suitable for extreme-heat applications like asphalt plants or exhaust gas monitoring.
- MTL 8104-AI-TX – Dual-channel analog input isolator-transmitter, offering two independent 4-20 mA input/output paths in a single housing (space-saving for multi-sensor setups).
- MTL 8103-AI-TX-IS – Enhanced-safety (Ex e) certified model of the MTL 8103-AI-TX, optimized for Zone 1/2 hazardous areas where intrinsic safety is not required but robust protection is still needed.
- MTL 5544 – Companion power supply module that pairs with the MTL 8103-AI-TX to provide regulated 24 V DC power in hazardous areas, ensuring consistent operation of isolators and field devices.
Company Expertise & Application Areas
As a certified partner of industry leaders such as MTL Instruments, Honeywell, and ABB, we provide key components for critical sectors:
- Process Industries: Signal isolation in oil & gas refineries, petrochemical plants, and pharmaceutical facilities (e.g., using the MTL 8103-AI-TX to protect DCS systems from sensor signals in explosive zones).
- Chemical Manufacturing: Safe signal transmission for batch processing and reactor temperature monitoring, where the MTL 8103-AI-TX’s intrinsic safety certification prevents ignition risks.
- Water & Wastewater: Isolation of pressure and flow sensor signals in treatment plants, leveraging the MTL 8103-AI-TX’s noise immunity to ensure accurate process control.
We prioritize professionalism in pre-sales and after-sales service: our team of automation experts provides technical consultations to verify the MTL 8103-AI-TX meets your hazardous area requirements, and we offer a one-year warranty on all products. If you cannot find the model you need, please contact us immediately.
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