Wireless Tank Level Sensor


Wireless Tunnel™ Radio Sensor based on LoRa™ Technology

Monitor fuel level and liquid storage tanks

Monitor tanks of depths up to 20 meters. Often tanks are located in outdoor or difficult to cable areas. The WT-TDPS is battery powered, or can be powered from a 5V DC or 12VDC source. Track fuel usage, graph the tank level, receive alerts when tank levels are critical. No more constraints on maximum cable lengths from the base unit. Easy installation and pairing with AKCP Wireless Tunnel™ Gateways.

Sensor Features
  • 4xAA Battery powered, with 10 year life*
  • Tank mounting kit with cable gland
  • IP66 rated enclosure
  • Monitor all kinds of liquids and fuels.

Wireless Tunnel™ Monitoring Solutions

*10 years at 25°C broadcasting every 30 minutes

Status Indication
LED indication for
– Mode
– Status
Manufactured using highly integrated, low power surface mount technology to ensure long term reliability.
Operating Environment
Temperature : Min. -35° C – Max.80° C
Humidity: Min. 20% – Max. 80% (Non-Condensing)
LoRa (R) Radio
Regional plans
– EU868 : 863~868Mhz, Max TX Power +14dBm, Duty Cycle 1%
– US915: 903~915Mhz, Max TX Power +17dBm
– AS923 : 920~925Mhz, Max TX Power +14dBm, Duty Cycle 1%
– KR920 (Korea) : 922~923Mhz, Max TX Power +14dBm, Duty Cycle 1%
– IL917 (Israel) : 915~917Mhz , Max TX Power +14dBm, Duty Cycle 1%
FCC Part15C, CE EN300220-2
Micro-USB port for powering, adding and upgrading to the Gateway base unit
76 x 77 x 120mm
Wall hanging, DIN rail, Pipe Clamp
Power source
4xAA batteries or via micro-USB port
Optional : external 12V supply (custom order)
Power Consumption
Certification FCC Part15C, CE EN300220-2
Tank size up to 20 meters
Sensor is calibrated for specific tank size,
please select for either max 5, 10, 15 or 20 meter tank when ordering. Accurate measurement for non-linear size tank for static liquid level, via linearization
Measurement Method
Hydrolic Pressure in mH2O (Fluid column pressure)
Tank Depth (Max)
0–20 m (65 ft) for Water at 4C
Accuracy Distance
0–2000 cm (65 ft) with 1% accuracy for water
Full Scale Accuracy
±1%FS (Max)
Sensors – Liquid Height
– Tank volume
Chemical Resistance
Petrol, Diesel, Water
Operating Temperature Range
-20°C to 80°C
Protection Grade
IP68 (pressure sensor part)
Probe Mounting Suspended inside the tank by leader cable
Comes fully assembled, only needs installation
Sensor Part Cable
Leader cable from the sensor probe to the WTS box is 5/10/15/20 meters respectively based on depth type ordered.
Gateway sensor count
5 (3 + 2)
Works with certain types of fuel, fresh water

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AKCPWireless Tank Level Sensor