The Thermal Master P4 is a thermal imaging camera compatible with Android phones, designed for a wide range of electrical inspections. It features a 256x192 VOx thermal sensor, which can be enhanced to 512x384 resolution using X³IR resolution software. Furthermore, the P4 has high sensitivity with an NETD of ≤35mK and a smooth 25Hz refresh rate. It also includes an AI dual-lens design, allowing quick switching between thermal and visible-light views.
The camera operates across a wide temperature range of -20 to 600°C with an accuracy of ±2°C. It includes a 15x digital zoom and several viewing modes, including infrared, visible, IR-Fuse, and MIX modes. Finally, the P4 supports IQ+ Precision Temp and 3D heat visualisation, making it useful for spotting hotspots, water damage, electrical faults, and HVAC issues.
| P1 (Android / iOS ) | P2 (Android ) | P2 Pro (Android / iOS ) | P3 (Android / iOS ) | P4 (Android ) | |
|---|---|---|---|---|---|
| IR resolution | 160 x 120 | 256 x 192 | 256 x 192 | 256 x 192 | 256 x 192 |
| Upscaled resolution | 320 x 240 | 512 x 284 | 512 x 384 | 512 x 384 | 512 x 384 |
| NETD | <40 mK | <40 mK | <40 mK | ≤35 mK | ≤35 mK |
| FOV | 52° x 39° | 56° x 42.2° | 56° x 42.2° | 40° x 30.2° | 56° x 42.2° |
| Price |
| Temperature range | -20 to 600 °C |
| Accuracy | ±2 °C |
| Frame rate | 25 Hz |
| Emissivity | 0.01 - 0.99 adjustable (default 0.95) |
| Colour palettes | 12 (whitehot / blackhot / ironred / red hot + 8 other palletes) |
| Connection | USB-C |
| Dimensions | 53 × 29 × 11 mm |
| Weight | 26.5 g |