A thermocouple temperature transmitter with built-in cold junction compensation for accurate, stable PLC/DCS integration.
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Cold Junction Compensation for ThermocouplesBetter matching with PLC, DCS and display instruments The BSCK thermocouple temperature transmitter features advanced built-in cold junction compensation, a critical capability for maintaining accurate temperature measurement in industrial environments. Thermocouples generate a millivolt voltage based on the temperature difference between the measuring junction and the connection terminal. Without proper compensation, ambient temperature fluctuations at the connection point can introduce significant measurement errors. The BSCK module dynamically corrects for these terminal-side reference conditions before transmitting the signal to your PLC, DCS, or display instrument. | |
Compact Temperature Signal InterfaceSave cabinet space in centralized temperature control systems In modern industrial automation, control cabinet space is a premium asset. The ultra-compact structure of the BSCK temperature transmitter is specifically engineered for confined equipment boxes, local control panels, and high-density temperature control cabinets. It can be easily installed in applications where DIN rail space is strictly limited, all while providing a dedicated, stable interface between the field thermocouple and the receiving control device. | |
Low-power Temperature MonitoringLower module heating and reduce system burden Continuous industrial monitoring demands components that operate efficiently without overloading system resources. The BSCK temperature transmitter addresses this need with an exceptionally low power consumption profile, utilizing only about 0.7W at full load. This energy-efficient design is crucial for supporting long-term, uninterrupted temperature monitoring while severely limiting internal heat generation. In high-density installations where multiple transmitters are mounted closely together on a single rail, accumulated module power consumption directly impacts the internal cabinet temperature and the total load placed on the system's power supply. | |
Working Principle Diagram |
Technical Specifications | |
Input Impedance (RTD):≥120 MΩ Input Impedance (TC millivolt signal):≥25 MΩ Maximum Output Load Resistance (4–20 mA):≤550 Ω Voltage Output Load Impedance (0–5 V / 0–10 V):≥10 kΩ Step Response Time (90% output stabilization):≤500 ms Temperature Drift Coefficient:50 ppm/°C FS Independent Linearity Error:±0.05% FS Overall Accuracy of the Unit @25°C:±0.1% FS Field Calibration Method:Digital DIP switch configuration, supports custom ranges Reverse Signal Output Support (20–4 mA / 0–10 V):Standard built-in support Two-Wire Sensor Power Supply:Optional 24 V power supply output (for passive millivolt probes) Open-Circuit Fault Diagnosis:NAMUR standard fault output, fault status latch | |
Dimension Chart |
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Wiring Diagram | ||
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