Description
HT Instruments THT300 Thermal Camera Repair
The HT Instruments THT300 Thermal Camera is a thermal imaging camera – a microbolometer detector behind a germanium lens, with an internal shutter that recalibrates the detector every few minutes. The image is only half the product; the other half is turning that image into temperature numbers someone will act on.
June Company repairs and calibrates the HT Instruments THT300 Thermal Camera for predictive maintenance teams, electrical contractors, building inspectors, and process engineers. Every instrument is repaired at component level and verified against reference standards before it ships back, with the measured results documented.
Common HT Instruments THT300 Thermal Camera problems we fix
- Temperature readings drifted – the measurement path rather than the image – a picture that looks fine can still report the wrong number.
- Focus mechanism stiff or slipping.
- Damaged germanium lens or coating – scratches reduce transmission and everything reads cold.
- Display, keypad or front-panel faults.
- Battery, charging or storage faults.
- Image degrading between shutter cycles – the internal shutter failing to recalibrate the detector, which shows as drift and blotching that clears on a power cycle.
- Dead pixels or fixed pattern noise.
FAQs
The image blotches and gets worse the longer it runs. Fixable? Yes. That is the internal shutter failing to recalibrate the detector, and it is a common repair.
What if it is not economical to repair? We tell you in the quote. The evaluation is free and there is no obligation to proceed.
Every repair carries a 90-day parts-and-labor warranty, with a firm quote before any work begins. Email us or submit a service request.







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