STLPO02 is a compact Pressure Sensor uses a high quality piezo-resistive pressure sensor . 


This is made up of 304 stainless main body with a Nylon PA66 cap over the cable outlet. The main body is 24mm long and 21mm diamber with a G1/4 Thread.



The difference to STLPO01 is that this is unit is rated to IP 64 which is splash proof and dust proof but can't be submerged. It can momentarily pass through water.


This is a 304 Stainless Steel housing for a food grade tank.


It measures a range up to 500mm deep (or high) water tank. The Tank can be any volume and ANY shape.


Fit this sensor on the outside of the water tank either by tapping the drain bung on the bottom side of the tank or where the outlet fitting is at a tee piece.




It is a voltage output and is 2% accuracy.


It has an isolated stainless steel diaphragm as signal sensing element. 

This is a quality assembly: 

  • Automatic testing, laser trimming compensated zero 
  • Special sensitivity in wider temperature range 
  • Amplifier circuit is in stainless steel housing, 
  • Transforming sensor signal into standard output signal. 

This sensor, fitted externally, is IP65.



Purchasing Tank Sensors for Shipping to USA

All our tank sensors can be shipped to USA. Simply login and purchase on line. The prices here are in AUD$. One AU$ = approx US0.68. So AU$100 is US$68

The freight is expensive as we only ship with DHL/Fedex or equal. With volume, the freight becomes more attractive price. This has tracking which is on your invoice. The Thread is G1/4 which is a metric version of a traditional BSP. It is quite easy to buy adapters etc in USA.

The Sensors work perfectly with Victron, but a tank GX 140 is needed. They also work perfectly with Simarine.




Pressure range 

0-800mm Water 

Measuring medium 

Fresh Water 

Signal output 


Power supply 

12V DC 



Burst pressure 



(Linearity hysteresis repeatability) 



0.2%F.S ± 0.05% 

Working Temperature 


Storage temperature 


Zero temperature drift 

≤ 0.02%.F.S/°C/year 

Net Weight 


Housing material 

304 Stainless Steel with Nylon PA66 Cable Gland

Diaphragm material 

Piezo-resistive Flush Ceramic 

Insulate resistance 

>100MΩ @50V 

Response time 


Electronic Wire 

3 Wires 

Electronic connection 

Directly sealed cable IP64 

Pressure connect port 

G1/4” NPT male 

Cable specs 

2m PE cable 

Certificate approving 

CE Certificate 

Water Rating


EMC Standard 

Electromagnetic radiation: EN50081-1/-2 

Electromagnetic susceptibility: EN50082-2 

Dimension and Drawing (mm) 

Electronic Wire Connections 


Power Supply + 


Power Supply - 

Blue & Green 

Signal Output + 


Signal Output - 


Ground Wire


Brand Safiery
Shipping Weight 0.1000kg
Shipping Width 0.200m
Shipping Height 0.050m
Shipping Length 0.050m
Shipping Cubic 0.000500000m3
Unit Of Measure each

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