TABLE 1.
Specifications of handheld thermal scanners assessed in this study, which represent the range of portable, handheld thermal scanners currently available to practitioners.
| Low‐resolution scope | Medium‐resolution scanner | High‐resolution scope | |
|---|---|---|---|
| Model | Scout TK, FLIR Systems Inc., North Billerica, MA, USA | InfReC G120EX, Nippon Avionics Co., LTD., Tokyo, Japan | Pulsar Helion XP28, Yukon Advanced Optics Worldwide, LTD., Vilnius, Lithuania |
| Body type | Scope (single‐eye) | Video camera | Scope (single‐eye) |
| Spectral range (μm) | 7.5–13.5 | 8–14 | 8–14 |
| Field of view (°) | 20 × 16 | 32 × 24 | 22 × 16.6 |
| Resolution (microbolometer) | 160 × 120 | 320 × 240 | 640 × 480 |
| Thermal sensitivity (NETD at 30°C) | 0.06° | 0.04° | 0.06° |
| Purchase price ($AUD) | $1000 | $9800 | $6000 |