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Wireless groundwater sensors

​For real-time ground water monitoring


TracWater's Groundwater Sensors are compact, simple and cost-effective. Sensors offer real-time monitoring, remote control, cloud management, mobile operation and anytime, anywhere functionality. Hosting a variety of built-in sensors for level, conductivity, pH, dissolved oxygen, turbidity, and temperature and with many more on offer, ground water monitoring just got eas

Quick set-up and installation

IP68 connectors for a quick fit connection. Cellular/WiFi configuration using the cloud. Log data downloads and firmware updates. Setup operation parameters, monitor system and calibrate sensor via TracWater-provided software

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Smart functions

Bluetooth, cable-free operation and configuration. Configurable, scheduled and automated alarm notifications. Logs periodically event alarm and transient levels. Provides battery operational forecasts and early warning of low battery to avoid breakdowns


Real-time monitoring

TracWater software enables automatic registration and synchronisation of devices so you can instantly start monitoring the ground water in your network from any of your devices through the online portals interactive easy to interpret statistical analysis, report generation and alert functions

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  • Cloud-enabled wireless groundwater sensors
    • Accurate real-­time data upload with alarm/alert notifications


    • Ultra-low power consumption, up to 5 years of battery power with continuous operation 

    • Robust IP68 enclosure, continuous submersible to 10 m of water


    • Up to 100 °C operating temperature making it suitable for harsh climates​

    • Cellular, WiFi communication, no field data collection required

    • Auto-delivery of incomplete uploads to ensure no data loss

    • 0.01-sec auto-detection and data logging of transient events

    • built-­in standard Modbus TCP

    • Directly uploads log files to TracWater servers

    • TracWater can push data to SCADA, BMS and other systems

    • TracWater SAS cloud-based platform for configuration, operation, monitoring, alarm, control and data analysis

    groundwater sensors
    groundwater sensors
    • Aquifer Characterisation

    • Flood and Storm Water Monitoring

    • Construction and Mining

    • Drilling Wells and Bores

    • Estuaries and Rivers Monitoring

    • Lakes and Wetlands Monitoring

    TracWater's Groundwater Sensors are easy-to-deploy “plug and play” devices used in conjunction with an award-winning cloud-based water management system. Sensors are housed in a robust IP68 water submersible enclosure making it perfect monitoring in wells and bores, frequently flooded underground chambers, rivers, lakes, streams and harsh high temperature or humid environments
  • Main unit general
    • CPU: 32 bits

    • Memory: solid state, non-volatile flash, size: 16 MB; rotating, no log or setting data loss after power failure

    • Real-time clock: crystal-controlled calendar clock with leap year adjustment; accuracy: 5 seconds per month; NTP server auto time synchronisation,accuracy: 1~3 sec(NTP)

    • Environment & protection: IP68, continuous submersible to 10 meters of water; operating temperature: -40~85 °C, -40~100 °C (optional); operating humidity: 0 ~100 % RH

    • Safety: CE, FCC

    • Port 0: System configuration, diagnosis and data upload/download

    • Interface: RS485, 115,200 bps, 8 bits, no parity, 1 stop bit

    • Surge protection: 4,000 V DC

    • Protocol: Modbus RTU Housing SS316 or Titanium (optional)

    • Dimensions: approx. Φ48x145(H) mm (TWGW1); Φ20x240(H) (TWGW2~4)

    • Weight: 600 g (TWGW1); 450 g (TWGW2~4) Cable

    • Material: PVC, PUR, PTFE(Tefon), resists corrosion and provides strength

    • Type: vented or non-vented Kelvar reinforced to ensure long-lasting operation

    Port1 : Level, Conductivity, pH, ORP, Dissolved Oxygen, Turbidity, Temperature and Barometer Sensors (TWGW2~7)


    • Measurement range: 0~10/50/100/200 m

    • Accuracy: ± 0.1% FS; ± 0.05% FS (optional)

    • Resolution: 1 mm

    • Repeatability: ±0.025% FS

    • Stability (annual): 0.1% FS

    • Overpressure: 3 times measurement range Conductivity

    • Measurement range: 0~500 ms/cm

    • Accuracy: ±0.5% of reading or ±1 μs/cm

    • Resolution: 0.1 μs/cm

    • Repeatability: ±1% FS pH

    • Measurement range: 0~14 pH

    • Accuracy: ±1% FS or ±0.1 pH

    • Resolution: 0.01 pH

    • Repeatability: ±0.02 pH


    • Measurement range: -1,000 mV~1,000 mV

    • Accuracy: ±1 mV

    • Resolution: ±0.1 mV

    • Repeatability: ±0.5 mV Dissolved Oxygen

    • Measurement range: 0~20 ppm (mg/L) (0~200 %)

    • Accuracy: ±1% FS

    • Resolution: 0.01 ppm

    • Repeatability: ±0.5% FS


    • Measurement range: 0~4,000 NTU

    • Accuracy: ± 3% FS (0~1,000 NTU), ± 5% FS (1,000~4,000 NTU)

    • Resolution: 0.01NTU

    • Repeatability: ±1.5% FS Temperature

    • Type: Pt100

    • Measurement range: -40~85°C; -40~100°C (optional)

    • Accuracy: ±0.1°C

    • Resolution: 0.01°C

    • Repeatability: ±1% FS Barometer

    • Measurement range: 0~2 Kgf/cm2 (absolute pressure)

    • Accuracy: ± 0.1% FS

    • Resolution: 0.01% FS

    • Repeatability: ±0.025% FS

    • Stability (annual): ±0.1% FS


    GPRS Module

    • Standard: GSM/GPRS

    • Frequency: 850/900/1,800/1,900 MHz

    • Antenna: 1 dBi

    • SIM Card: Micro SIM (12x15 mm)

    • Protocol: Proprietary or Modbus TCP WiFi Module

    • Standard: IEEE 802.11b

    • Data rate: Up to 11 M bps

    • Frequency: 2.412~2.497 Ghz

    • Supported topologies: Star

    • Max. transmitter power output: 18 dbm

    • Receive sensitivity: -83~-92 dBm

    • Antenna: 2 dBi

    • Security: WPA/WPA2

    • Protocol: Proprietary or Modbus TCP


    CDMA Module

    • Standard: CDMA/CDMA 2,000

    • Frequency: 800/1,900 MHz

    • Antenna: 1dBi

    • Protocol: Proprietary or Modbus TCP

    3G Module

    • Standard: UMTS/HSPA+/AWS

    • Frequency: 800/850/1,700/1,900/2,100 MHz

    • Antenna: 3 dBi

    • SIM Card: Micro SIM (12x15 mm)

    • Protocol: Proprietary or Modbus TCP

    4G Module

    • Standard: LTE

    • Frequency: 800/850/900/1,800/2,100/2,600 MHz

    • Antenna: 1 dBi (internal; 2 dBi(external)

    • SIM Card: Micro SIM (12x15 mm)

    • Protocol: Proprietary or Modbus TCP Ethernet Module

    • Data rate: 10/100 Mbps

    • Isolation: 1500 V DC

    • Protocol: Proprietary or Modbus TCP

    Power Supply


    • Voltage: 5 V DC ±10%, 1 A

    • Surge protection: 4,000 V DC 

    • ESD line protection:15 KV DC

    Internal Battery

    Non-rechargeable 3.6 V DC 11.6 AH lithium cell

    Life: 10 years

    Internal Battery (Option)

    Rechargeable 3.6 V DC 5 AH lithium cell

    Life: minimum 300 charge/discharge cycles

    Internal Battery (Option)

    Non-rechargeable 3.6 V DC 2.6 AH lithium cell

    Life: 10 years Internal Battery (Option)

    Non-rechargeable 3.6 V DC 15 AH lithium cell

    Life: minimum 300 charge/discharge cycles


    External Battery (Option)

    Rechargeable 3.6 V DC 60 AH lithium cell

    Life: minimum 300 charge/discharge cycles

    Dimension: 200(W)x200(H)x130(D)mm

    Weight: approx. 2.2 kg


    Communication: data transmission; SMS alarm notification; data upload/ download (interval: 5 secs~24 hours); store and forward; FTP

    Log: 2000,000 records, rotating store; periodical; alarm

    Alarm: HH, H, L, LL; alarm action: SMS, alarm log

    Additional Options

    TracWater Intelligent Digital Sensors and I/O Modules Pressure, differential pressure, level, free chlorine, PH, ORP, temperature, conductivity, dissolved oxygen, turbidity, salinity, suspended solid, ammonium, humidity, differential pressure, barometer, analog input, counter input, digital input, vibration

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Can't find what your looking for?

Don't worry, we can also build speciality items to suit your business's needs.

Purpose-designed digital water quality analysis sensors are available. No reagent is needed. We have more coming.

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