Temperature transmitter with AD DA RELAY DI is a multifunctional isolated transmitter and display instrument based on microprocessor technology. It can measure and display process parameters such as temperature, pressure, and flow rate, and perform functions including transmission output, data communication, and transmission control. The instrument features flexible settings, convenient configuration, and simple operation.
Features
OLED liquid crystal display for local parameters, enabling more convenient on-site viewing.
24-bit high-precision measurement and 16-bit true DA high-speed output, eliminating delays and errors.
Equipped with 1 AD, 2 DA, and 2 DO (Digital Output) channels, supporting multi-channel input and output operations.
Optional power supply: 220V AC or 24V DC, meeting the requirements of various application scenarios.
Cold-junction compensation with 0.1 accuracy, ensuring more precise measurement.
Compliant with the standard Modbus RTU communication protocol.
Main Technical Specifications
| Universal AD Input | 1 channel |
| AD Input Signals | 30 types of common industrial standard signals |
| AD Measurement Error | 0.1% FS + 1 digit |
| AD Accuracy | 24-bit high-speed AD, 1K SPS (Samples Per Second) |
| DA Output | 2 channels |
| DA Accuracy | 16-bit, 2M SPS (Mega Samples Per Second) |
| DO Relay Output | 2 channels (2A/250V) |
| Input Impedance | ≥500KΩ for voltage signals ≤100Ω for current signals ≤0.25mA for RTD (Resistance Temperature Detector) ≥500KΩ for thermocouple |
| Output Impedance | ≤500Ω for current signals (can be up to 650Ω, specify when ordering) |
| Display Mode | LCD (Liquid Crystal Display) |
| Communication Protocol | MODBUS RTU (RS485 interface, 2-wire system) |
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