MD-S271L Wireless Level Transmitter with 4G LTE, LoRaWAN & NB-IoT Remote Tank Level Monitoring
Features:
The wireless liquid level sensor is a wireless instrumentwith a separate design of the sensor probe and the smart terminal.
This series of products are powered by batteries, and canalso be powered by power supply or dual power supply.
Various wireless transmission methods suchas4G/LoRa/LoRaWAN/NB-iot can be selected.
The waterproof grade of this series of products is IP68,equipped with mounting brackets, and the designed bearingstrength is better than 200Kg. It can be installed on the wall,buried in the ground, and installed in the complex workingconditions such as fire wells and rainwater wells.
- Multiple units can be switched, high and low alarm valuescan be set, and messages can be sent immediately
- Wireless transmission function
- Switch function
- Remote configuration or key setting IP address, alarm point,upload frequency, etc. (4G/NB)
- Equipped with a gateway, it can realize efficient liquid level monitoring (LoRa) in the local area network
Application:
- Fire pipe network
- Heating
- Fire pump room
- Rainwater and sewage well
Technical Parameters:
| Pressure range | 0-5...10...20mH₂O |
| Overload pressure | 200% |
| Transfer method | 4G/LoRa/LoRaWAN/NB-IoT |
| Accuracy class | 1.0%FS, 0.5%FS (only within 5m) |
| Supply voltage | 3.6V lithium battery |
| Long term stability | ±0.25%FS/year (typ.) |
| Operating temperature | -25~70℃ |
| Compensation temperature | 0 ~ 60℃ |
| Electrical protection | Anti-electromagnetic interference |
| Sampling rate | 1 second/time~600 seconds/time optional |
| Upload rate | 10-1440 minutes configurable |
| Alarm point setting | Full range high & low liquid level alarm points customizable |
| Data configuration | key configuration / remote configuration |
| Installation type | Throw-in |
| Safety certificate | CE |
| Remark | 4G/NB-IoT versions support IP address setting function |
| Transfer method | 4G | LoRa | NB-iot |
| Power consumption | Highest | Lower | Higher |
| Transmission distance | Depends on existing operator base station | Better than 3km | Depends on NB base station |
| Gateway configuration | Without | LoRa Gateway | Without |
| Internet time | 20 seconds | 5 seconds | 5 seconds |
| Tariff | Refer to local operator tariff standards | Without | Refer to local operator tariff standards |
| Product feature | IP address and port can be set | High and low alarm points can be set | High and low alarm points can be set |
| High and low alarm points can be set | Sensor acquisition frequency can be set | Sensor acquisition frequency can be set | |
| Sensor acquisition frequency can be set | Upload frequency can be set | Upload frequency can be set | |
| Upload frequency can be set | Work status query | Work status query | |
| Work status query | IP address and port can be set | ||
| Message format | Customizable message format | Transparent transmission Protocol | Customized message format |
Dimension:
Selection Guide:
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