- High Precision and Linearity: Provides high precision and excellent linearity, ensuring that the transmitted signal truly reflects the input signal and meets the requirements of precise control.
- Low Input Impedance: Does not add excessive load to the input circuit, is insensitive to changes in input circuit impedance, and is suitable for input from various sensors.
- High Output Current: Can provide relatively high output current, and can drive multiple loads such as current/pressure converters and DCS input cards.
- Intrinsic Safety: Features intrinsic safety; it will not ignite the explosive gas environment in case of failure, making it suitable for hazardous locations with explosion risks.
- Linearization Processing: Can perform linearization processing on non-linear input signals, making the output signal have a linear relationship with the measured parameter.
- Temperature Compensation: Capable of temperature compensation, ensuring the accuracy of the output signal within a wide temperature range.
- Input Signal: Accepts J, K, T, E, R, S, B, or N-type thermocouple signals; input signal range is -75 to +75mV or 0 to 400Ω; input impedance is 10MΩ.
- Output Signal: Nominal output range is 4 to 20mA (available in positive or reverse output); maximum load resistance is 600Ω.
- Power Supply Requirements: For 20mA signal, current is 68mA with 24V power supply (power consumption 1.5W), and 52mA with 35V power supply (power consumption 1.6W).
- Isolation Performance: Isolation voltage between safe area, hazardous area circuits, and power supply is 250V AC.
- Indicator Light: Equipped with one green LED indicator for power and status indication.
- Size and Weight: Approximately 15×15×3cm in size and 1kg in weight; compact in volume, facilitating installation and use.
- Installation Method: Usually adopts DIN rail mounting, which can be conveniently installed in control cabinets and is compatible with multiple installation options.
Due to its intrinsic safety characteristics and multi-signal processing capabilities, it is widely used in industrial fields with explosive hazardous gases such as petroleum, chemical engineering, metallurgy, and electric power. It is used for isolation, conversion, and transmission of temperature signals, providing accurate temperature signals for control systems.
