Research-based buying guides that compare the leading options by documented specifications, real use cases and value.
Cameras sorted by detector, not headline: the native 320x240 FLIR E8 Pro and C8, the 256x192 Thermal Master Thor002 and the 640x480 super-resolution claims.
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AC/DC True-RMS, inrush, capacitance, temperature and micro-amps for flame sensors. The HVAC clamp is a multimeter with jaws.
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Compact cameras with their own screen: the native 320x240 FLIR C8, the Wi-Fi FLIR C5 and the 15-hour TOPDON TC004 Mini, plus FOXWELL alternatives.
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DC resolution to the millivolt, milliamp current for drains, min/max for cranking, and frequency and duty cycle for sensors.
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Lower-tier cameras sorted by the real detector: the pocket TOPDON TC004 Mini, the native 320x240 MiLESEEY TR20 and the 0.62 oz Thermal Master P1 phone module.
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CAT III 600 V, True-RMS, non-contact voltage and LoZ. Those four cover outlets, switches, panels and appliances safely.
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iOS thermal modules sorted by connector: the FLIR ONE Pro for USB-C iPhones, the Bluetooth FLIR Edge Pro for any iPhone and the 256x192 TOPDON TC002C Duo.
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AC or AC/DC, jaw size for your cables, True-RMS, the right CAT rating, and the extras (inrush, temperature, flex probe) your work uses.
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Android USB-C thermal modules sorted by native detector: the dual-lens TOPDON TC001 Plus, the FLIR ONE for Android and the light Thermal Master P1.
Read Guide→Safety category first, True-RMS second, then the functions, resolution and build that match your work.
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Probe diameter and type, focal distance, lighting, screen versus phone, length and waterproofing. Choose for the tightest hole you will use.
Read Guide→Eleven phone modules sorted by connector and native detector: the FLIR ONE Pro for USB-C iPhones, the wireless FLIR Edge Pro and the TOPDON TC002C Duo.
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