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The BT8003BARO is a high-precision digital atmospheric pressure gauge, featuring a built-in digital pressure sensor with high integration, low power consumption, and excellent long-term stability.
It is widely applied in measuring atmospheric pressure across various industries, including industrial processes, meteorology, hydrology and water conservancy, as well as geological exploration.
1. Main Features
- High-quality, highly stable digital pressure sensor
- Integrated measurement of pressure and temperature
- Full-range digital calibration with temperature error compensation across the entire temperature range
- RS485 interface and MODBUS-RTU standard communication protocol
- Protection against reverse power connection and over-voltage
- Resistance to surges and electromagnetic interference
- Fully stainless steel sealed structure with IP68 protection rating
2. Technical Parameters
| Main Performance Specifications | |
| Measurement Range | 30KPa～110KPa |
| Accuracy | <±0.05% F·S |
| Long-term Stability | <0.05% F·S/year |
| Temperature Sensor | (Integrated within the pressure sensor): Temperature Measurement Range: -40～85℃ |
| Temperature Measurement Accuracy: ±0.8℃ | |
| Accuracy | ＜±0.05% F·S |
| Long-term Stability | ＜0.05%F·S/year |
| Temperature Sensor (Integrated within the pressure sensor) |
Temperature Measurement Range：-40～85℃ |
| Temperature Measurement Accuracy：±0.8℃ | |
| Temperature Characteristics | |
| Compensation Temperature | —40 to 85℃ |
| Operating Temperature | —40 to 85℃ |
| Storage Temperature | —40 to 125℃ |
| Electrical Characteristics | |
| Power Supply Voltage | DC5～30V (typical 24V) |
| Power Supply/Protection | Reverse polarity protection, over-voltage protection |
| Output Method | RS485/MODBUS-RTU protocol |
| Load Capacity: 128 transmitter nodes | |
| Structural Characteristics | |
| Measuring Medium | Air |
| Housing Material | 316L Stainless Steel |
| Cable Material | PVC or Polyurethane |
| Cable Specifications | Φ6.3mm, 1 meter length or customized length |
| Environmental Characteristics | |
| Protection Rating | IP68 |
3. Power supply and RS485 wiring definitions
|
NO. |
Color | Definition |
|
1 |
Red | 24V+ |
|
2 |
Blue |
RS485+ |
| 3 | Green |
RS485- |
| 4 | Yellow |
GND |
4. Dimensions Unit: mm）
