RODER · Dakota NDT ultrasonic flaw detectors
Dakota NDT ultrasonic flaw detectors

The Dakota NDT ultrasonic flaw detectors combine state-of-the-art flaw detection with advanced thickness measurement. They provide the main sizing toolkits (DAC, AWS, TCG, DGS), Z-Cross/Flank/Peak detection and adjustable PRF from 8 Hz to 2 kHz. The FX71-DL is a handheld unit with a color AMOLED display; the FX81-DL is the top-of-the-range model, with a large sunlight-readable display and a 0–110 dB receiver.
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How to choose
- Portability: the FX71-DL is a compact handheld unit (~397 g); the FX81-DL is larger, with a 5.7” display.
- Display: color AMOLED 1/4 VGA on the FX71-DL; sunlight-readable Blanview TFT on the FX81-DL.
- Receiver performance: the FX81-DL offers 0–110 dB gain, a 1.8–19 MHz broadband and selectable narrow bands.
- Shared functions: both integrate the advanced thickness gauge (P-E, PECT, PETP) and the DAC, AWS, TCG and DGS toolkits.
Model comparison
| Model | Format | Display | Receiver | Sizing toolkits |
|---|---|---|---|---|
| FX71-DL | Handheld (~397 g) | Color AMOLED 1/4 VGA (320×240) | Standard | DAC, AWS, TCG, DGS |
| FX81-DL | Top of the range (~2.04 kg) | Color Blanview TFT 5.7” | 0–110 dB, 1.8–19 MHz broadband | DAC, AWS, TCG, DGS |
The models
Ultrasonic flaw detectors with integrated thickness gauge
Both the FX71-DL and the FX81-DL combine flaw detection (DAC, AWS, TCG, DGS) with advanced thickness measurement, for the non-destructive inspection of welds, components and structures.
Contacts & Information
Contact for general information : info@roder.it
Machine Vision Division of RODER : www.rodervision.com
RODER Instruments Division : www.innovacheck.com
More about RODER : about us
The information contained in this website is provided for information purposes only. Although it has been prepared with the greatest care, it does not constitute a contractual offer or a binding commitment to supply. It may contain transcription, translation or typographical errors. For precise and up-to-date information, please contact our company directly.
Note: Some images on this website have been intentionally generated using artificial intelligence (AI). This is because, for many applications and projects, photographs of the actual installation or system cannot be disclosed owing to confidentiality agreements, contractual clauses and non-disclosure agreements (NDAs).
