Looking for a new Thermal Camera.

[Fraser]

The camera is sealed to prevent water ingress. No adjustments are available without opening the camera inner case. See my ARGUS teardown for pictures.

[Bruno28]

I'll have a look again. Now that I have the camera In hands.

Would have been handy to have the adjustments outside ams just used rubber caps to water proof loke the video out.
I'm a bit OCD when it comes to getting the best possible performance out of something. So if the clarity can be improved on the screen, I'll try to.

What about the lens cleaning? Should I not touch to not ruin the germanium coating?

[Fraser]

The lens is coated with hard carbon as these cameras take a beating. As long as you are gentle you will be fine. I personally soak some soft cotton wool in IPA and gently drag it across and around the lens face. Then gently wipe the lens with a microfibre glasses cleaning cloth. Do not rub hard.

The idea is to lift dirt off of the lens with the help and lubrication of the IPA. The microfibre cloth then gently lifts away and residue left by the IPA. Other cleaning agents are useable but IPA is common and may be purchased from a pharmacy. I prefer to use pure IPA rather than 'rubbing alcohol' which is IPA mixed with water.

Regarding access to adjustments. These cameras were designed to be very rugged and even submersible. The cameras were only adjusted if required and the service was done by EEV. User adjustment was never intended as fire brigades did not have the personnel to do such work. Adding adjustment ports would have increased the risk of inner sealed module leakage. The module is sealed with a gasket and silastic. It is vacuum tested for leaks at the factory via a vacuum port in one of the screw inserts. The port is then sealed with silastic.

I have seen what happens when one of these cameras is incorrectly re-assembled. Water got in around the lens due to a misplaced gasket. The lens was totally ruined by corrosion of the Germanium and Aluminium housing. Surprisingly the BST Sensor and PCB's survived the moisture ingress. These are very well designed cameras.

Fraser

[Bruno28]

Ok thanks. I'll give that a try to clean. But I better not open it as it's working well. Don't want the lens to corrode with air humidity moisture.

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