General > General Technical Chat
Cheap 'human' non-contact thermometers
tooki:
--- Quote from: najrao on December 20, 2021, 03:01:47 pm ---MK14, the manual you have linked to does not apply to the Bo Hui T-168, which is what I have here. I do have a manual for this, but am now unable to link it here. I attach a screenshot of the page which gives the service life as 40 000 clicks.
I request that you desist from making sundry comments deviating from my legitimate request for possible technical help. Especially if you are unable to provide any.
--- End quote ---
Your original request assumes that the failure of your unit a) has to do with the 40K rated lifespan, and that b) it must be the sensor that failed.
You have no proof for either of those assumptions, and it’s just as likely that they’re not the case.
If you have a concrete failure you want to repair, give more info on it so we can troubleshoot. But your original post suggests more of a general question, which makes the “sundry” comments absolutely relevant.
Someone:
--- Quote from: TimFox on December 20, 2021, 11:21:59 pm ---The manual pages posted above are not written in careful English, but I would read the "lifetime" as a minimum guarantee, not a defined or maximum lifetime.
--- End quote ---
Worse:
low cost products cloned n times over, their product specifications have been through the same "telephone game" of imperfect copying
and/or
low cost item loudly proclaims performance specifications copied from contract/competitor/tender documents to "compete", item has never been tested or verified to meet said specifications. paper is cheap
floobydust:
I have .webm explaining the issue but could not upload- the IR sensor is not wired up and firmware gives nice 36.1C readings that move around a little.
Basically, they are fake IR medical thermometers.
MK14:
--- Quote from: floobydust on December 22, 2021, 07:44:33 pm ---I have .webm explaining the issue but could not upload- the IR sensor is not wired up and firmware gives nice 36.1C readings that move around a little.
Basically, they are fake IR medical thermometers.
--- End quote ---
This has a video about it. It looks remarkably like the one the OP pictured.
https://www.thesun.co.uk/news/11365234/scammers-trade-fake-coronavirus-protection-gear-medicine/
floobydust:
Yes that's the vid, thanks for the link.
I can't see any money savings there, aside from the 3-wire cable to the IR sensor and labour to solder it in. Unless it's to destroy the West by giving out fake negative fever results.
Somebody came up with fake firmware for a reason.
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