Afriso Float Level Gauge for Oil Tanks (Multiple Sizes) – Optional Backnut. With or Without Backnut – Select your preferred variation. The gauge simply screws into your tank’s 1½" BSP female opening.
eBay
Universal Propane Tank Gauge Level Indicator For 5-40LB LP Tanks Color Coded Gas Meter For BBQ RV Heater Leak Detector QCC1Type1
Aliexpress UK
Suitable with Diesel, Heating Oil, Lube Oils, Water, Antifreeze & B100. Fuel Tank Level Float Gauge - 0 to 150cm & 0 to 250cm. Fuel Tank Level Float Gauge. Float Type Tank Level Gauge - Tank Height Up to 2.5 mtr.
eBay
1Pc Propane Tank Gauge Level Indicator Pressure Meter Upgraded Propane Gas Leak Detector for Rv Camper Cylinder Heater
Aliexpress UK
SENSiT Smart Wi-Fi Tank Level USB ReceiverThe SENSiT smart Wi-Fi tank level receiver is a USB receiver device that allows you to access smartphone app features on your Watchman SENSiT ready oil tank.
eBay
Propane LPG Fuel Gas Tank Level Indicator Magnetic Gauge Caravan Bottle Temperature Measuring Stick Gases Measuring Devic
Aliexpress UK
52mm Gauge. The white wire touches the negative pole shortly, change the backlight color : Backlight changed in sequence: red (default) green→blue→white →yellow→cyan→Purple→(automatic). Level Sensor fit for Diesel & Gasoline Engine.
eBay
Propane Butane LPG Fuel Gas Tank Level Indicator Magnetic Gauge Caravan Bottle Temperature Measuring Stick
Aliexpress UK
Suitable for all kinds of fuel sensors, and display the liquid level of the fuel tank. Installation: lock the gauge to baseboard directly by hand. Protection grade:IP67;can work up to 1m under water.
eBay
3/5/10PCS Propane Butane LPG Fuel Gas Tank Level Indicator Magnetic Gauge Bottle Temperature Measuring Stick Test Card
Aliexpress UK
CBE Fresh Water Tank Level Gauge. Panel colour is grey to match up to CBE modular plates system. Four different coloured LEDs identify four levels in the fresh tank. The sensor can be shortened to suit your tank depth.
eBay
QCC Type Propane Tanks Pressure Gauge Level Indicator Leak Detector Gas Pressure Meter For Camper Cylinder BBQ Gas Grill Heater
Aliexpress UK
This gauge have 7 backlight color : Red、Green、Blue、Yellow、Olivine、Orange、Purple, totally 7kinds different backlight color, it will change automatically every 1 minute. Warning Alarm: When fuel level low than 13%,the warning light will flash.
eBay
168F 2KW 5KW Gasoline generator tank fuel sensor oil level gauge oil gauge accessories 188F 192F
Aliexpress UK
This gauge have 7 backlight color : Red、Green、Blue、Yellow、Olivine、Orange、Purple, totally 7kinds different backlight color, it will change automatically every 1 minute. Backlight color:red,yellow,orange,green,blue,purple,yellow green,You can choose what you need color that press the gauge back button.
eBay
0-190Ohm Fuel Level Gauge 7 Color Light 240-33Ohm Oil Tank Level Meter Indicator 52MM Fuel Gauge for Marine RV Car 12V24V Custom
Aliexpress UK