The atmospheric pressure sensor is packaged with a chip imported from Switzerland. After precise temperature compensation, it has the characteristics of high precision and high sensitivity. It can be applied to the measurement of air pressure and altitude, which is an accessory product for automatic weather stations.
The atmospheric pressure sensor is packaged with a chip imported from Switzerland. After precise temperature compensation, it has the characteristics of high precision and high sensitivity. It can be applied to the measurement of air pressure and altitude, which is an accessory product for automatic weather stations.
| Measurement parameters | Atmospheric pressure | |
| Measuring range | Standard configuration 600mbar ~ 1 100mbar, other ranges can be customized | |
| Accuracy | + 0.5mbar | |
| Long-term stability | + 0.5mbar | |
| Non-linear | ≤0.2% FS | |
| Thermal zero temperature drift | ≤0.02% FS / ° C | |
| Output signal | A: Voltage signal (0 ~ 2V, 0 ~ 2.5V, 0 ~ 5V, 0 ~ 10V, choose one of the four) B: 4 ~ 20mA (current loop) C: RS485 (standard Modbus- _RTU protocol, device default address: 01) 5 ~ 24V DC (when the output signal is 0 ~ 2V, 0 ~ 2.5V, RS485) | |
| Supply voltage | 12 ~ 24V DC (when the output signal is 0 ~ 5V, 0 ~ 10V, 4 ~ 20mA) | |
| Working current | 5mA @ 5V, 3mA @ 12V, 2mA @ 24V | |
| Response time | <1S | |
| Working environment | Temperature:-30 ° C ~ 70 ° C; humidity: ≤95% RH | |
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