A retrofit-friendly RTD temperature transmitter supporting 2-/3-wire PT100/Cu50 inputs with lead resistance compensation for accurate, simplified industrial automation.
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BSRK RTD Temperature Transmitter
The BSRK RTD temperature transmitter is engineered to accept both two-wire and three-wire PT100 and Cu50 sensor inputs, providing exceptional compatibility with the most common RTD wiring configurations found in industrial automation. In practical applications, two-wire sensors offer a straightforward and cost-effective connection for shorter distances, while three-wire setups are essential for compensating lead resistance over longer cable runs. By supporting both configurations within a single module, the BSRK transmitter significantly enhances installation flexibility. Engineers and procurement teams can standardize on one transmitter model regardless of the existing probe types on site.
Accurate temperature measurement in industrial environments heavily relies on minimizing signal degradation, which is why the BSRK temperature transmitter is designed to facilitate proper compensation wire connections. In resistance-temperature measurement systems, inherent wire resistance and inconsistent terminal connections can easily distort the interpreted temperature values, particularly when the RTD sensor is located far from the main control cabinet. To combat this, the BSRK module features an optimized terminal layout that ensures secure and precise connection of compensation conductors. This thoughtful design effectively minimizes temperature reading errors caused by improper lead arrangements or environmental interference along the cable path.
Space optimization is a critical factor in modern control panel design, and the BSRK RTD signal converter addresses this need with its highly compact form factor. This transmitter efficiently converts PT100 or Cu50 resistance signals into standardized output formats, making it an ideal choice for densely packed control cabinets and localized equipment temperature boxes. The slim profile of the module allows for high-density DIN rail mounting, which is particularly beneficial for local machines or centralized temperature control panels where physical space is strictly limited but a stable, industrial-grade RTD interface is mandatory.
Working Principle Diagram
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
Wiring Diagram