Model Comparison
VD-BI vs VD-FID
Choose the right ductoscope for your inspection requirements — from standard structural surveys to full forensic investigation.
The VD-FID is the world's first & only ductoscope with triple-mode imaging (White + UV + Thermal)
Platform
Platform
VS-C23
VS-UVP / VD-P
Intended Use
Standard inspection
Forensic investigation
Probe
Probe Diameter
0.85 – 8 mm
0.85 – 8 mm
Probe Length
0.5 – 30 m
0.5 – 30 m
IP Rating
IP67 probe tip
IP67 probe tip
Illumination
White LED
UV 365 nm
UV 405 nm
Thermal / IR
SpectraSwitch™ Mode Switching
Imaging
Image Sensor
HD CMOS
HD CMOS + Thermal Array
Display Size
4.3" IPS LCD
5" IPS LCD
Split-View Display
Video Resolution
1080p HD
1080p HD + Thermal overlay
Thermal Sensitivity
< 0.05°C NETD
Storage & Battery
Storage
Micro SD (128 GB)
Micro SD (256 GB)
Battery Life
4+ hours
5+ hours
Weight (controller)
680 g
820 g
Capabilities
Structural inspection
Debris & contamination mapping
Biofilm detection (UV)
Mold mapping (UV fluorescence)
Water leak detection (thermal)
Thermal mapping
Post-remediation UV verification
Court-admissible documentation
Basic
Full forensic package
NADCA-compliant output
Product Selector
Which Model is Right for You?
Answer 5 quick questions about your inspection workflow and we'll recommend the right ductoscope for your needs.
Question 1 of 5
4 remaining
What is your primary inspection use case?
Quick Reference Guide
Choose VD-BI if you need…
- Routine structural HVAC inspection
- Debris and contamination documentation
- Pre/post cleaning verification
- NADCA-compliant inspection reports
- Cost-effective entry to duct inspection
Choose VD-FID if you need…
- Forensic-grade evidence documentation
- UV biofilm and mold detection
- Thermal water leak mapping
- Insurance or litigation support
- Healthcare / pharmaceutical compliance
- Post-remediation UV clearance verification
Still Unsure? Talk to Our Team.
Our inspection specialists can help you select the right configuration for your specific application.
Contact Us