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| Brand | TW (Shandong Tianwei Environmental Technology) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | TW-WY1 |
| Measurement Principle | GNSS-based Real-Time Kinematic (RTK) Displacement Monitoring with Ultrasonic Auxiliary Sensor Integration |
| Static Accuracy (Differential Mode) | Horizontal ±(2.5 mm + 1 ppm), Vertical ±(5 mm + 1 ppm) |
| Antenna Type | Choke-Ring Antenna with Magnetic Absorbing Material |
| Communication Protocols | Modbus-RTU, RTCM3 v3.x |
| Data Output Interfaces | RS485 (ASCII & Modbus-RTU), TCP/HTTP/UDP |
| Power Supply | DC 10–15 V (sensor) |
| Operating Temperature | −40 °C to +85 °C |
| Humidity Range | 0–95% RH (non-condensing) |
| Enclosure Dimensions | Ø360 mm × H163 mm |
| Typical Power Consumption | 0.6 W (sensor + LoRa), 0.96 W (with cloud upload) |
| Compliance | Supports ISO/IEC 17025-aligned field calibration workflows, compatible with GLP/GMP data integrity requirements via audit-trail-enabled platform logging |
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