SEM256 The digital display type 485 analog temperature and humidity transmitter is a wall-mounted high-protection shell with protection grade IP65, rain and snow. The high-brightness digital tube is used to display the temperature and humidity, and it can be clearly seen under the sunlight.
SEM256 The digital display type 485 analog temperature and humidity transmitter is a wall-mounted high-protection shell with protection grade IP65, rain and snow. The high-brightness digital tube is used to display the temperature and humidity, and it can be clearly seen under the sunlight.
Items | Parameter | |
| DC power supply (default) | 10~30V DC | |
| Maximum power consumption | RS485 output | 0.4W |
| Precision A | humidity | ±2% RH (5% RH~95% RH, 25°C) |
| temperature | ±0.4°C (25°C) | |
| 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) | |
| Transmitter circuit operating temperature and humidity | -40°C~+60°C, 0%RH~80%RH | |
| Signal output | RS485 output (standard Modbus-RTU protocol) | |
| Device communication parameters | The default address code is 1, the default baud rate is 4800 (can be modified by the configuration software) | |
| Protocol frame format | No parity, 8 data bits, 1 stop bit (N, 8, 1) | |
| Temperature range | -40°C~+80°C | |
| Humidity range | 0%RH-100%RH | |
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