CSA approved for use in hazardous locations, the intrinsically safe ultrasonic point liquid level switch provides high or low liquid level detection of chemical, solvent or low viscosity petroleum based liquids with a 1A relay output. Media examples include hydrochloric acid, acetone and diesel fuel oil. The submersible PP or PFA level switch sensor is universally mounted through the tank wall or inside the tank, and connected to a PLC or relay controller.


  • CSA approved intrinsically safe for use in hazardous environments
  • Submersible PP or PFA Teflon® sensor and cable for corrosive liquids
  • 60VA SPST relay selectable NO or NC via power supply wiring polarity
  • Compatible with Smart Trak and Switch-Pak installation fittings


P/N Description From
LU10-1305 PP, short, 3/4″ NPT $330.00
LU10-1325 PP, short, 3/4″ G $350.00
LU10-1405 PP, long, 3/4″ NPT $350.00
LU10-1425 PP, long, 3/4″ G $370.00
LU10-2305 PFA, short, 3/4″ NPT $490.00
LU10-2325 PFA, short, 3/4″ G $530.00
LU10-2405 PFA, long, 3/4″ NPT $530.00
LU10-2425 PFA, long, 3/4″ G $570.00


Sensors and PodView indirectly, are configurable via our free WebCal PC software and one Fob USB adapter. Sensors are offered with and without Fobs. Fobs are universal and can be used to configure any WebCal compatible product. Download your free copy of WebCal in English or Chinese.


Orientation: Universal

Accuracy: ± 1mm in water

Repeatibility: ± 0.5mm in water

Supply voltage: 12-36 VDC

Consumption: 25 mA maximum

Contact type: (1) SPST relay

Contact rating: GP: 60 VA, IS: 32 VDC @ 0.5A

Contact output: Selectable NO / NC

Process temp.: F: -40° to 176°, C: -40° to 80°

Pressure: 150 psi (10 bar) @ 25º C, derated @ 1.667 psi (0.113 bar) per ºC above 25º C

Sensor rating: -1XX5: NEMA 6 (IP68), -2XX5: NEMA 4X (IP65)

Sensor material: -1XX5: PP, -2XX5: PFA

Cable jack. mat.: -1XX5: PP, -2XX5: PFA

Cable type: 4-conductor, shielded, #22 AWG

Cable length: 10’ (3m)

Process mount: 3/4” NPT (3/4”” G / Rp)

Mount. gasket: Viton®

Classification: Intrinsically safe

Certificate: CSA, LR 79326

Compliance: CE

Approvals: Class I, Groups A, B, C & D; Class II, Groups E, F & G; Class III

Parameters: Vmax = 32V, Imax = 300 mA, Pmax = 1.3W, Ci = 0 µF, Li = 0 µH


If you want help in selecting a sensor for your application, please submit a Level Questionnaire. An engineer will review your requirements and suggest a product solution via email.