Description
HT Instruments THT400 Thermal Camera Repair
The HT Instruments THT400 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.
Certified technicians at June Company service the HT Instruments THT400 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 THT400 Thermal Camera problems we fix
- 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.
- Temperature readings drifted – the measurement path rather than the image – a picture that looks fine can still report the wrong number.
FAQs
How long does a repair take? Most are completed in 5-10 business days, with a firm quote after evaluation and before any work begins.
Are the measurements verified after repair? Yes, against reference standards, with the measured results documented and returned with the instrument.
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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