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NTBE-TP-4G · 4G telemetry-enabled groundwater monitoring
Telemetry Piezometer (Groundwater Level Recorder)
Telemetry piezometer for industrial water level, agricultural bores, groundwater elevations and wells. Stainless steel SS316L wetted parts with strong diaphragm sensor for long life and long-term stability (<0.1%/year). Built-in 4G/3G/2G modem with auto-switching for remote data transmission.

Key Features
- ✓Supports all 4G / M2M SIM cards (auto switch 4G/3G/2G)
- ✓RS232 / RS485 serial port for external devices
- ✓5 LED status indicators (power, server, GPRS, SIM, 4G)
- ✓Accuracy ±0.05% FS, resolution 0.01% FS
- ✓Water level ranges: 4 m, 10 m, 20 m, 40 m, 100 m
- ✓Output: 4–20 mA / RS485
- ✓SS316L wetted parts with diaphragm sensor
- ✓Probe IP68, electronics housing IP66, comm unit IP54
- ✓Overload pressure: 2× of basic range
Applications
Industrial water level monitoringAgricultural boresGroundwater elevation studiesWells & piezometric monitoring
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Technical Specifications
| Accuracy | ±0.05% FS |
| Overall Accuracy | 0.2% of adjusted span, temp compensated |
| Water Level Range | 0…4 / 10 / 20 / 40 / 100 m |
| Output | 4–20 mA / RS485 |
| Wetted Parts | SS 316L |
| Cable | Polyethylene (PE) |
| Process Temp | -10°C to +70°C |
| Protection | Probe IP68, Housing IP66 |
| Cellular | GSM/GPRS/EDGE/UMTS/HSPA/FDD LTE |
| Power | 12–34 V DC |