SEM254 Professionally used in pipeline temperature and humidity measurement, using standard industrial interface 4 ~ 20mA / 0 ~ 10V / 0 ~ 5V analog signal output or RS485 output, using imported temperature and humidity measurement unit, small drift, high precision. Pipeline installation method, easy to install on site.
SEM254 Professionally used in pipeline temperature and humidity measurement, using standard industrial interface 4 ~ 20mA / 0 ~ 10V / 0 ~ 5V analog signal output or RS485 output, using imported temperature and humidity measurement unit, small drift, high precision. Pipeline installation method, easy to install on site.
Items | Parameter | |
| DC power supply (default) | DC 10~30V (0~10V output type can only be powered by 24V) | |
| Maximum power consumption | Analog output | 1.2W |
| RS485 output | 0.1W | |
| Precision A (default) | humidity | ±2%RH(5%RH~95%RH,25℃) |
| temperature | ±0.4℃（25℃） | |
| Precision B (default) | humidity | ±3% RH (5% RH~95% RH, 25°C) |
| temperature | ±0.5°C (25°C) | |
| Long-term stability | humidity | ≤1%RH/y |
| temperature | ≤0.1°C/y | |
| Response time | humidity | ≤8s (1m/s wind speed) |
| temperature | ≤25s (1m/s wind speed) | |
| Output signal | Analog output | 4~20mA,0~5V/0~10V |
| Digital output | RS485 | |
| Load capacity | Current output | Output resistance ≤250Ω |
| Voltage output | ≤600Ω | |
| Transmitter circuit operating temperature and humidity | -40°C~+60°C, 0%RH~80%RH | |
| Probe operating temperature | -40°C~+120°C, default -40°C~+80°C | |
| Probe working humidity | 0%RH-100%RH | |
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