DF555 ATEX Ultrasonic Level Sensor
DF555 ATEX Ultrasonic Level Sensor
Explosion-Proof Non-Contact Ultrasonic Level Monitor
DF555 ATEX provides non-contact ultrasonic level measurement up to 5 m with explosion-proof certification for hazardous-area environments. Orange ABS+PC enclosure, NB-IoT, LoRaWAN, 4G LTE, and multi-tech wireless options, battery or DC power, and optional GPS and Bluetooth configuration.
Last updated: May 31, 2026
Customer Value
Built for hazardous-area level monitoring where safety certification is mandatory
ATEX Explosion-Proof
Certified for operation in hazardous-area environments with flammable gases, vapors, or dust. Orange ABS+PC enclosure for clear visual identification.
Non-Contact Ultrasonic
Measures distance to liquid or solid surfaces without touching the medium, up to 5 m with 3 cm accuracy and 20 cm blind area.
Flexible Power Options
Battery-powered with ER26500 x1 (8500 mAh, 1+ year) or DC power supply for continuous operation without battery replacement in hazardous areas.
Multiple Wireless Versions
NB-IoT, LoRaWAN, 4G LTE, and multi-tech versions support different regional network conditions for global hazardous-area deployments.
Volume Calculation
Cloud platform calculates tank volume from container dimensions, providing level, volume, trends, and alert notifications.
Optional Features
Optional GPS/BEIDOU positioning, Bluetooth configuration, and DC power supply for flexible deployment and maintenance.
Hard Facts
Hard facts for product evaluation
Explosion-proof certification
Maximum ultrasonic detection range
Level measurement accuracy
Waterproof protection rating
Battery capacity at 3.6 V
Battery life at 4 uploads/day
Sensor weight, orange ABS+PC
NB-IoT, LoRaWAN, 4G, Multi-tech
Applications
Hazardous-area level monitoring for chemical, oil, gas, and industrial sites
DF555 ATEX is suitable for projects where explosion-proof certification is required. Typical applications include chemical storage tanks, oil and gas facilities, and industrial sites with flammable substance handling.
Comparison
DF555 ATEX vs DF555 Standard
Use this comparison to choose between the ATEX explosion-proof version and the standard version of DF555.
| Selection factor | DF555 ATEX (Orange) | DF555 Standard (Blue) |
|---|---|---|
| Enclosure color | Orange ABS+PC | Blue ABS |
| Certification | ATEX explosion-proof | No explosion-proof certification |
| Primary application | Hazardous-area environments with flammable substances | General industrial and outdoor level monitoring |
| Measurement range | Up to 5 m, 20 cm blind area | Up to 5 m, 20 cm blind area |
| Accuracy | 3 cm | 3 cm |
| Battery / power | ER26500 x1, 8500 mAh or DC | ER26500 x1, 8500 mAh or DC |
| Protection | IP67 | IP67 |
| Wireless options | NB-IoT, LoRaWAN, 4G, Multi-tech | NB-IoT, LoRaWAN, 4G, Multi-tech |
| When to choose | Choose DF555 ATEX when explosion-proof certification is mandatory for hazardous-area compliance and orange identification is preferred. | Choose DF555 Standard when general-purpose non-contact ultrasonic level monitoring meets project requirements without hazardous-area certification. |
Product Video
DF555 ATEX user demonstration video
Watch the DF555 ATEX user video demonstrating explosion-proof ultrasonic level sensor operation. For the standard version, see the DF555 standard video.
Selection Guide
How to Choose the Right DF555 ATEX Configuration
Selecting the right DF555 ATEX version depends on the hazardous-area classification, tank structure, network coverage, and power preferences.
Where to Buy
Request a DF555 ATEX project quotation
DF555 ATEX is sold by quotation. Share the hazardous-area classification, required range, preferred wireless network, and expected rollout scale so CNDINGTEK can confirm the ATEX-compliant configuration and prepare a project quotation.
Useful inputs for faster quoting
- ATEX zone classification and hazardous substance type
- Container type, mounting height, and measurement range
- Preferred NB-IoT, LoRaWAN, 4G, or multi-tech network
- Power preference (battery or DC), quantity, and delivery schedule
FAQ
Frequently Asked Questions about DF555 ATEX Ultrasonic Level Sensor
What makes DF555 ATEX different from the standard DF555?
DF555 ATEX has an explosion-proof certification for use in qualified hazardous-area environments. It features an orange ABS+PC enclosure (compared to the blue ABS standard version). Both versions share the same core ultrasonic specifications.
What hazardous areas can DF555 ATEX be used in?
DF555 ATEX is certified for explosion-proof operation in hazardous-area environments where flammable gases, vapors, or dust may be present. Confirm the specific zone classification with CNDINGTEK.
Which wireless versions are available for DF555 ATEX?
DF555 ATEX is available with NB-IoT, LoRaWAN, 4G LTE, and multi-tech wireless versions. The 4G version supports LTE-FDD (B1/B3/B5/B8) and LTE-TDD (B34/B38/B39/B40/B41) frequency bands.
How long can the DF555 ATEX battery last?
DF555 ATEX uses one ER26500 non-rechargeable lithium battery with 8500 mAh at 3.6 V. Datasheet reference life exceeds 1 year at 4 uploads per day. Optional DC power supply is also supported.
Can DF555 ATEX calculate tank volume?
Yes. The CNDINGTEK cloud platform supports volume calculation based on container dimensions. Dashboard monitoring, email/SMS notifications, and alert thresholds are available.
What optional features does DF555 ATEX support?
DF555 ATEX supports optional GPS/BEIDOU positioning module, Bluetooth configuration for convenient on-site setup, and DC power supply as an alternative to battery power.
Is special installation required for ATEX environments?
Yes. Installation in ATEX-classified zones must follow applicable safety standards and regulations. Confirm installation requirements with CNDINGTEK and ensure compliance with local electrical and safety codes.
Is DF555 ATEX a standard product or a customized product?
DF555 ATEX is a normally sold product with explosion-proof certification. Pricing is quotation-based after project requirements are reviewed.
CNDINGTEK Support
Evaluate DF555 ATEX for your hazardous-area project
Share the hazardous-area classification, required range, network preference, and expected rollout scale so we can confirm the DF555 ATEX configuration.