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BSC Isolated Thermocouple Temperature Transmitter for Automation

An isolated multi-type thermocouple transmitter supporting B/E/J/K/N/R/S/T inputs and converting them into standardized outputs for seamless automation integration.
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BSC Isolated Thermocouple Temperature Transmitter

Multi-type thermocouple input temperature transmitter supporting B, E, J, K, N, R, S, and T thermocouples. Green DIN-rail device unifying different thermocouple signals into standard outputs for industrial applications.

Multi-type Thermocouple Input

Unify diverse industrial temperature signals into standard analog outputs with a single device.

The BSC isolated thermocouple temperature transmitter is engineered to accept a comprehensive range of sensor inputs, including B, E, J, K, N, R, S, and T thermocouples. In complex industrial environments such as metallurgy, chemical processing, and power generation, different temperature zones often require specific sensor materials and measurement ranges. Instead of specifying and stocking multiple converter models for each sensor type, engineers can rely on this single, versatile transmitter to convert various millivolt signals into standard, unified analog outputs.

Multi-channel temperature signal conversion transmitter supporting 1-in/1-out, 1-in/2-out, and 2-in/2-out structures. Diagram shows thermocouple inputs converting to analog outputs, reducing repeated modules and simplifying wiring.

Multi-channel Temperature Signal Conversion

Reduce redundant modules, save DIN rail space, and simplify cabinet wiring.

To meet diverse automation requirements, the BSC multi-channel temperature transmitter supports highly flexible channel structures, including 1-in/1-out, 1-in/2-out, and 2-in/2-out configurations. The 1-in/2-out model is particularly valuable for signal splitting applications, allowing a single critical thermocouple measurement to be simultaneously transmitted to two separate receiving devices—such as a local field display and a remote centralized control system—without signal degradation or ground loop issues.

Thermocouple break alarm function on a green temperature transmitter. Diagram shows a broken thermocouple triggering an ALM indication and 0mA output, helping PLC systems detect abnormal temperature signals faster.

Thermocouple Break Alarm & Failsafe Output

Identify abnormal temperature signals instantly to enhance process safety.

In industrial heating and automation processes, an undetected broken sensor wire can lead to erroneous readings, causing control systems to make dangerous adjustments. The BSC thermocouple transmitter mitigates this risk by incorporating a highly responsive thermocouple-break detection feature. When a sensor wire is disconnected or the input circuit is unexpectedly interrupted, the device immediately activates a front-panel ALM (Alarm) LED indicator, providing technicians with clear, instant visual feedback right at the control cabinet.

Working Principle Diagram

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Technical Specifications

Input Impedance (RTD):≥100 MΩ


Input Impedance (TC millivolt signal):≥20 MΩ


Maximum Output Load Resistance (4–20 mA):≤500 Ω


Voltage Output Load Impedance (0–5 V / 0–10 V):≥10 kΩ


Step Response Time (90% output stabilization):≤1000 ms


Temperature Drift Coefficient:75 ppm/°C FS


Independent Linearity Error:±0.1% FS


Overall Accuracy of the Unit @25°C:±0.2% FS


Field Calibration Method:Hardware DIP switch for range/scale selection; no adjustable potentiometers


Reverse Signal Output Support (20–4 mA / 0–10 V):Customizable


Two-Wire Sensor Power Supply:None


Open-Circuit Fault Diagnosis:NAMUR standard: <3.6 mA / >21 mA

Dimension Chart

1 In 1 Out: L*W*H : 114.5mm x 12.8mm x 99mm

1 In 3 Out: L*W*H : 114.5mm x 22.8mm x 99mm

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Wiring Diagram

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