
Stainless Steel Roots Flow Meter with Pulse / 4-20mA / RS485 Output. Multi-Protocol Support: Supports 4G, NB-IoT, LoRa, RS485, 4-20mA, Pulse, Modbus, and HART protocols. IP67 Waterproof Rating: Submersible operation with IP67 protection rating for harsh environments. High Accuracy Grade: Class 1.0 Custody Transfer Grade accuracy for precise gas measurement. Long Battery Life: Built-in lithium battery offers 3-5 years of operation for wireless models. Real-time Data Compensation: Built-in temperature and pressure compensation for accurate gas flow data. Flexible Customization: Offers OEM/ODM services with flexible customization from samples or designs. Comprehensive Warranty: Includes 1-year warranty with online after-sales service support. Low Installation Cost: Wireless models save 90% on wiring costs with minimal installation complexity.