Choose a thermal recording requirement around the event that must be observed, not around a frame-rate number alone. A stationary inspection image and a brief changing event can require different evidence.
Use frame spacing as a planning question
| Nominal rate | Evenly spaced interval, calculated as 1000 ÷ Hz |
|---|---|
| 9Hz | About 111 milliseconds |
| 25Hz | 40 milliseconds |
| 30Hz | About 33.3 milliseconds |
These are arithmetic examples for evenly spaced images, not measured camera response, actual file timestamps or verified Phonemax model options. They do not account for detector behavior, repeated frames, processing or interruptions. A short event may need a qualified evaluation of the complete capture system.
Describe what must be visible
| Task detail | Requirement to record |
|---|---|
| Event | What change must the reviewer identify? |
| Duration | What evidence defines the time scale of interest? |
| Output | Is a still, a clip or another documented format needed? |
| Acceptance | Who decides whether the event is adequately represented? |
FLIR’s frame-rate explanation distinguishes thermal image updates from other camera behavior. It does not validate a particular Phonemax event-capture task. Do not conclude that an event never occurred solely because an available clip does not show it.
The current P20 Pro thermal graphic lists 25Hz refresh rate. No 9Hz or 30Hz Phonemax configuration or fast-event capture result is verified here. Use the live-view and recording guide and send Phonemax the event and required output description before arranging an approved sample assessment.
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