High Precision and Low Temperature Drift, compatible with 2-wire and 3-wire inputs. The one-input-to-two-output configuration supports different output types. 7 types of output signals are optional.
Features
Transmission accuracy higher than 0.001%;
Low temperature drift with a precise voltage source design;
Data conversion accuracy: 22-bit AD resolution;
One-input-to-two-output configuration supporting different output types;
Inputs
Thermocouple types: K, S, R, T, E, J, B, N, WRe3-WRe25, WRe5-WRe26
Voltage signals: 0～20mV, -20～+20mV, 0～100mV, -100～+100mV
Outputs
0-5V, 1-5V, 0-10V, 2-10V, 0-10mA, 0-20mA, 4-20mA
Other Detailed Parameters
| Parameter Category | Specific Parameters |
| AD Accuracy | 22-bit |
| Input Impedance | <60Ω |
| DA Accuracy | 16-bit |
| Output Voltage/Load Resistance | 0-5V, 1-5V / RL > 120KΩ |
| Output Current/Load Resistance | 0-20mA, 4-20mA / RL ≤ 650Ω |
| Power Supply Voltage | DC 24V (±10%) (Note |
| Power Supply Protection | Reverse polarity protection and ESD protection |
| Power Consumption (24V power supply, 20mA output) | <2.7W |
| Measurement Accuracy (20℃) | 0.001 FS |
| Temperature Drift (0℃~50℃) | 50PPM/℃ |
| Dielectric Strength (between input, output and power supply) | 2000V AC for 1 minute |
| Electromagnetic Compatibility | IEC61326-1 |
| Operating Ambient Temperature | -20℃~50℃ |
| Applicable On-site Equipment | Thermocouples and millivolt (mV) signal transmission & acquisition devices |
| Model Selection Example | Example of model selection: If 2 channels of K-type thermocouple input, 1 channel of 0-5V output, 1 channel of 4-20mA output, and output upper limit when input is open-circuited are required, the model code is: DK3082-IN:K-OUT1:0V5-OUT2:4MA20-AM:1 |
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