Holykell factory HPT621 Capacitive Fuel Oil Level Sensor

FOB Reference Price:Get Latest Price
$65.00 - $269.00 / Piece | 1 Piece/Pieces (Min. Order)
Lead Time:
Quantity(Pieces) 1 - 10 >10
Est. Time(days) 15 Negotiable
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Quick Details
Place of Origin:
Hunan, China
Brand Name:
Model Number:
HPT621 capacitive oil level sensor
Highest Accuracy:
Pressure Range:
0~100mm....3000mm optional
Truck,Bus , Fleet management,Water treatment
Output signal:
4~20mA,0~5V;Digital RS485
Support local zero and Span calibration
Pressure connect port:
G1/2",M20*1.5 male,Flange by customized
Power supply:
Medium working Temp:
-30 ℃ to 85 ℃;-40℃~300℃ by customized
Materials of probe:
304/316 SS with PTFE/brass
18 months
Supply Ability
Supply Ability:
5000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
Holykell standard carton box for capacitive oil level sensor, ensure goods well intact when receive.
Shenzhen/Shanghai/ Any port of China
Lead Time :
Quantity(Pieces) 1 - 10 >10
Est. Time(days) 15 To be negotiated

Holykell factory HPT621 Capacitive Fuel Oil Level Sensor


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Why Choose HOLYKELL HPT621 Seires?


capacitance fuel level sensor

Product Description of Holykell Level Sensor HPT621:

HPT621 smart capacitance level sensors suitable for harsh environments and various measuring medium, such as oil, fuels, or other media compatible with 316 stainless steel.As capacitive working principle, there are no moving parts in the transmitters, so the transmitters can provide excellent reliability. It can be customized high temperature type sensor(300℃)


Product Description

 What's the Specification of Holykell HPT621 Capacitive Fuel Oil Level Sensor?


HPT621 Series

Probe Diameter:

Φ16 mm (standard)


Standard atmosphere pressure or -1 Bar~10 Bar by customized


(Linearity; Hysteresis;






0.01mm; 0.1 mm(RS485)

Blind Zone:

10mm(Standard ), 7 mm( min) by customized.


Standard: 0.01%F.S/3 years,    Max: 0.02%F.S/3years

Medium working Temp:

-30 to 85 Standard , -40~300℃ by customized.

Ambient Temp Span:

-30  to +65

Storage Temp:

-40  to +125

Materials of probe:

304/316 stainless steel with PTFE/brass

Electronic Wire:

3 wires type

but with another two wires for calibration

3 wires type

but with another

two wires for calibration

     4 Wires

Software for re-calibration


4-20 mA



Power Supply:

11~33 V dc

12VDC or 11~33 V dc

11~33 V dc

Zero Temperature Drift


Temperature output:

Suitable for CAN communication

Electronic connection:

Fixed cable by stainless steel cap and Explosion Proof and water proof IP67

Process connect port:

G1/2’’ male, M20*1.5 male, Flanges 2.5’’… (by customized)

Response time:

First time starting time2s; working status200 ms

Medium compatible:

Diesel, gasoline; water and others liquid is customized

Certificate approve:

CE Certificate and Exia II CT6

EMC Standard:

EN 61326-1:2013; EN 61326-2-3:2013; EN 61000-6-2:2005; EN61000-6-4:2007+A1 

capacitive oil level sensorcapacitive sensor



What is The Application of HPT621 Level Sensor ?


Fuel / Oil /Diesel/Gasoline

Non-conductive liquid

Water tanks and reservoirs

Underground fuel tank

Auto, Truck fuel storage

Rooter, railway engine

Sealed Pressure tank


Buying Guides

In order to recommend you the most suitable products and make an accurate quotation,please provide the following information and send it to our sales when you are going to make an inquiry, thanks ! 


1. What is your medium? Water ,oil or others.

2. Working Temperature? -30℃~80or others?

3. Level range: 0-5m or others?

4. Output signal:4-20mA, 0-5V or others


Directly Contact:duct air pressure sensor
Mobile/Whatsapp: +86 13187184736

Email: Sales11 at holykell.com


Company Information

Company Information 

capacitance fuel level sensor  




capacitive oil level sensor


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