| Type: | Capacitance |
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| Contact: | Contact |
| Output Signal Type: | Analog Type |
| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier 
Holykell HPT621 Capacitance diesel fuel tank level sensor 30cm 300mm
1. Introduction of HPT621 capacitance level transmitter
HPT621 petrol station fuel monitoring system 850mm capacitance level transmitter is the customized sensor meter for precise measuring of the liquid level of automobile oil tanks,sealed tanker,trucks fuel tank, locomotives tanks and oil depots,etc.
The whole sensor is free of any mobile or elastic part and is featured with the good impact resistance, convenient installation,high reliability,high precision,and stable performance.HPT621 capacitive level sensor support local renew calibrate zero and span by two calibration wires,It can not only be installed on various occasions requiring precise level measuring of gasoline,diesel,water and hydraulic oil,etc,but also be application for measuring of various non-conductive liquids.
In addition,it can be customized to use for conductive medium measuring on occasion with quite poor conditions, quite serious electromagnetic interference,or dramatic stirring.Sensor support client's local calibration zero and span,so that sensor can use very easy for different mediums and with a very high precision reading data.
2. Features of HPT621 850mm capacitance level transmitter?
1. Precise linear and temperature compensation
2. Support local ZERO and SPAN calibration
3. Surge, over-current and polarity resistant design
4. Max 300 Degree C High Temp Liquid level measurement
5. Up to 0.01mm resolution,Min 7mm Bottom blind Zone
6. Simple installation without any settings
7. Sensitivity and hysteresis fluently adjustable
8. Applicable for various non-conductive liquids
3. The Application of HPT621 capacitance level transmitter?
The HPT621 petrol station fuel monitoring system 850mm capacitance level transmitter is widely used in suitable for harsh environments and various measuring medium, such as oil, fuels, or other media compatible with 316 stainless steel, And are highly praised by consumers.
Methane
Fuel / Oil /Diesel/Gasoline
Non-conductive liquid
Water tanks and reservoirs
Underground fuel tank
Auto, Truck fuel storage
Rooter, railway engine
Sealed Pressure tank
| Parameter | HPT621 | |||||
| Probe Diameter | Φ16 mm (Typical); Φ12 mm (Customized) | |||||
| Overload | Standard atmosphere pressure or -1 Bar~10 Bar by customized | |||||
| Accuracy | ≤ ±1.0%F.S(Typical); | |||||
| ≤ ±0.5%F.S(by customized) | ||||||
| Resolution | 0.1mm; 1 mm (RS485) | |||||
| Bottom Blind Zone | 10mm(Standard) | |||||
| Stability | Standard: 0.1%F.S/year,Max: 0.15%F.S/year | |||||
| Medium working Temp. | -30 ºC to 80ºC Standard , -40ºC~300ºC by customized. | |||||
| Ambient Temp Span | -40 to +60 ºC | |||||
| Storage Temp. | -40 to +85 ºC | |||||
| Probe materials | 304 stainless steel with PTFE/brass | |||||
| Electrical wire | 3 wires type | 3 wires type | 4 wires | |||
| but with another two wires for calibration | but with another two wires for calibration | Software for re-calibration | ||||
| Output | 4-20mA | 0-5V | RS485 Modbus | |||
| Power Supply | 11-33Vdc | 12Vdc or 11-33Vdc | 11-33Vdc | |||
| Zero Temp. Drift | 0.2%f.s./10ºC | |||||
| Temperature output | Suitable for CAN communication | |||||
| Electrical connection | Fixed cable by stainless steel cap and Explosion Proof and water proof IP67 | |||||
| Process connection port | G1/2'' male, M20*1.5 male, Flanges 2.5''… (by customized) | |||||
| Response time | First time starting time≈2s; working status≤200 ms Diesel | |||||
| Medium compatible | gasoline; water and others liquid is customized | |||||
4. Company Information
Holykell Technology Co. , Ltd is a high-tech company integrating R&D, production and
distribution. The company has a purification plant of 5000m2, an annual output of 1
million production line of pressure sensor, transmitter and intelligent digital instrumentation.
Now the company has more than 120,000 customers worldwide, the products have
been exported to Europe, America, Australia, Africa, southeast Asia, 109 countries.
Holykell can provide a cost effective solution for pressure monitoring for a variety of
applications. Welcome to your inquiry.
5. FAQ
Q:Can you accept ODM & OEM service ?
A:We professional provide OEM &ODM service for pressure and HPT621 petrol station fuel monitoring system 850mm capacitance level transmitter.
Q:Could I get samples?
A:Yes,we have materials in stock to help you to get the samples as soon as we can.
Q:How about the quality of the magnets?
A:We have the certification of ISO,CE and ROSH,we could send the certification test of our company to you.
Q:How is the price?
A:As we believe the quality is the most important,we will provide the best quality pressure sensor we can with reasonable price.
Q:Could you provide me the shortest lead time?
A:We have materials in our stock,if you really need,you can tell us and we will try our best to satisfy you.
Q: How can I get the quotation?
A: Send your inquiry to us by the inquiry from on the right-side or the bottom of this page.
Or contact us directly at, you will get the reply within 12hours, and the quotation will send to you according to your requirements.
Q: How can I get my sensors?/ What's the means of transport?
A. We main delivery goods by express: DHL, FedEx, UPS,TNT, etc or logistics by indicator
Q. How to order ?
A. In order to recommend you the most suitable pressure sensors or capacitance level transmitter 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. Level range: 0-5meters, or others?
3. Output signal: 4-20mA, 0-5V, RS485 or others?
Contact person: Yolanda
M (watsapp): +86-186-84725345
Suppliers with verified business licenses
Audited Supplier 
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