DF341 Capacitance Level Sensor
DF341 Capacitance Level Sensor
Short-Range Contact Level Monitor with No Blind Area
DF341 provides capacitance-based liquid level measurement for water, gasoline, diesel, and industrial containers. It features a cuttable aluminum alloy probe, no blind area, high resolution, wired and wireless output options, BLE configuration, and FOTA support for short-range tank and container monitoring projects.
Last updated: May 31, 2026
Customer Value
Built for short-range level measurement where no blind area matters
No Blind Area
Unlike many level sensors, DF341 has no blind zone, making it the right choice for shallow tanks and short-range containers below 700 mm.
High Resolution Measurement
Resolution reaches 1 mm or 0.5% FS, providing stable and detailed level data for short-range monitoring applications.
Cuttable Probe Length
The aluminum alloy probe can be trimmed on-site to match different container heights, reducing model complexity across multiple tank sizes.
Wired and Wireless Outputs
Wired interfaces include 0-5V, 4-20 mA, RS232, and RS485. Wireless options include LoRaWAN and 4G LTE with built-in eSIM for flexible project integration.
BLE Configuration and FOTA
BLE supports parameter setup, calibration, and maintenance access. FOTA enables firmware upgrades without replacing or physically accessing field devices.
PC and Mobile App Support
Configuration and commissioning workflows are supported on Windows, Android, and iOS, giving project teams flexibility across different operating environments.
Hard Facts
Hard facts for product evaluation
Measuring range with cuttable probe
Suitable for short level measurement
Level resolution reference
Level accuracy reference
Waterproof protection rating
Wired power supply
0-5V, 4-20 mA, RS232, RS485, LoRaWAN, 4G LTE
Operating temperature range
Applications
Capacitance level sensing for tanks, fuel containers, and industrial liquid monitoring
DF341 is suitable for projects where short-range contact measurement is acceptable, tanks are shallow, and operators need wired or wireless level data with high resolution and no blind-zone limitations.
Comparison
DF341 vs DF555 Level Sensors
Use this Dingtek product comparison to choose between the DF341 capacitance level sensor and the DF555 ultrasonic level sensor before confirming site details and project requirements.
| Selection factor | DF341 Capacitance Level Sensor | DF555 Ultrasonic Level Sensor |
|---|---|---|
| Measurement principle | Capacitance, contact probe immersed in liquid | Ultrasonic, non-contact measurement from above |
| Measuring range | 100-700 mm, no blind area | Up to 5 m class, with blind area |
| Level resolution | 1 mm or 0.5% FS | 3 cm typical accuracy |
| Power supply | 12-24 VDC wired power (no battery) | 3.6 V / 8500 mAh non-rechargeable lithium battery |
| Field lifetime | Continuous operation with wired power | More than 3 years at 4 uploads per day |
| Protection | IP68 | IP67 |
| Output / wireless | 0-5V, 4-20 mA, RS232, RS485, LoRaWAN, 4G LTE | NB-IoT, LoRaWAN, GPRS, 4G, or NB-IoT + Cat-M + GPRS |
| Installation | Flange mounting, probe contacts liquid | Top-mounted, no liquid contact |
| When to choose | Choose DF341 when you need short-range (< 700 mm) contact measurement with no blind area, high resolution, wired power, and flexible output interfaces. | Choose DF555 when you need non-contact ultrasonic measurement for larger tanks, battery-powered operation, and wireless remote monitoring without wiring. |
Installation and Structure
Flange mounting with adjustable probe length
DF341 supports flange mounting for straightforward installation. The aluminum alloy probe can be cut according to tank height, helping customers standardize one model across multiple container sizes.
1 Year
standard warranty
Flange
mounting method
Cuttable
probe length on-site
Product Video
DF341 capacitance level sensor calibration with BLE
Watch the DF341 calibration demonstration video to see how BLE configuration works for the DF340 and DF341 capacitance fuel level sensor. For project-specific setup questions, contact CNDINGTEK support.
Selection Guide
How to Choose the Right DF341 Configuration
Selecting the right DF341 version depends on the monitored liquid, container height, installation position, output interface, network coverage, and software workflow requirements.
Where to Buy
Request a DF341 project quotation
DF341 is sold by quotation. Share the monitored liquid type, container height, preferred output interface, network requirements, and expected rollout scale so CNDINGTEK can confirm the suitable configuration and prepare a project quotation.
Useful inputs for faster quoting
- Liquid type: water, gasoline, diesel, or special media requiring compatibility check
- Container height, installation position, and probe length requirements
- Preferred output: 0-5V, 4-20 mA, RS232, RS485, LoRaWAN, or 4G LTE
- Network, platform/API needs, quantity, and delivery schedule
FAQ
Frequently Asked Questions about DF341 Capacitance Level Sensor
What is the measuring range of the DF341 capacitance level sensor?
DF341 supports contact capacitance level measurement from 100 mm to 700 mm. The aluminum alloy probe can be cut to match different tank and container heights, and it has no blind area, making it suitable for short-range level monitoring.
Does DF341 have a blind area?
No. DF341 has no blind area, which makes it especially suitable for short level measurement in shallow tanks and containers where other sensor types may struggle with blind-zone limitations.
What output and wireless options does DF341 support?
DF341 supports wired outputs including 0-5V analog, 4-20 mA analog, RS232, and RS485. Wireless options include LoRaWAN and 4G LTE. The 4G LTE version uses a built-in eSIM. BLE is available for parameter configuration and debugging.
Is DF341 battery powered?
No. DF341 uses 12-24 VDC wired power. It does not use batteries. For battery-powered level measurement, consider the DF555 ultrasonic level sensor or DF572 radar level sensor.
What liquids can DF341 measure?
DF341 is designed for water, gasoline, and diesel level measurement. It is not compatible with ethanol or methanol in its standard version. For corrosive or special media, contact CNDINGTEK to discuss custom probe coating options and compatibility verification before deployment.
How is DF341 installed and configured?
DF341 uses flange mounting for straightforward installation. The probe length can be cut on-site to match the container height. Parameter configuration and calibration are performed through BLE using PC or mobile apps on Windows, Android, and iOS. FOTA firmware upgrade support is also available.
Can DF341 connect to customer platforms?
Yes. For LoRaWAN and 4G versions, DF341 data can be used with CNDINGTEK cloud applications or customer systems. CNDINGTEK provides protocol documentation and integration support after order confirmation without requiring an NDA.
Is DF341 a standard product or a customized product?
DF341 is a normally sold product with standard versions. Customization is available for probe coating, length, and other project-specific needs. Pricing is quotation-based after project requirements are reviewed.
CNDINGTEK Support
Evaluate DF341 for your level monitoring project
Share the liquid type, container height, output interface, network preference, and expected rollout scale so we can confirm the DF341 configuration and prepare a project quotation.