Questions tagged [harsh-environment]
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12 questions
0 votes
0 answers
106 views
Do digital multimeters work the same in vacuum?
We want to use a RS14 Handheld Digital Multimeter inside a glovebox and therefore we submit it to vacuum (0.1 bar) to come in and out of it, and to inert N2 atmosphere once it is inside the box. Does ...
2 votes
1 answer
112 views
Can I use the NRF24L01 in a vacuum?
Can I use the NRF24L01 module in a vacuum chamber? I want to put sensors in the chamber, connect them to an Arduino with an NRF24L01 module, and transmit data. Will the module work in metal and glass ...
- 21
2 votes
1 answer
1k views
Going from PD3 (pollution degree 3) to PD2 using IP54 (ingress protection 54)?
I wonder what is needed to reduce a PD3 (pollution degree 3) environment to PD2? It seems that IP54 housing could do it, but I have not found this clearly written in text (there is some vague ...
- 61
3 votes
1 answer
556 views
How to choose the right flexible cable for moving parts?
Is there a generally accepted guide to select a cable, which has to withstand certain bending stress? I am looking for something like this: ...
- 430
0 votes
3 answers
344 views
Electronics in Diesel
I was wondering if there will be any adverse effect on electronics functionality-wise when it is dipped in diesel and operated. Since diesel is non-conductive, the functioning should not be affected. ...
- 24
0 votes
0 answers
225 views
5V tolerant - tolerant to 5V and how many more ? Harsh environnement
There is a lot of questions about this subject... Nevertheless this is not clear to me and clearly I m afraid of putting a signal at the input of a microcontroller which is higher than this supply ...
- 2,586
3 votes
1 answer
2k views
Opto-coupled EIA-422 receiver (understanding suggested circuits)
I am looking at a standard for communication of marine electronics (NMEA). The standard is electrically essentially EIA-422 but it prescribes opto-coupled differential receiver pins without connection ...
- 5,267
2 votes
1 answer
256 views
Circuit reliability, especially tin solder, under wide temperature range -40 degree to +85 degree
We are trying to have our Lab product work in industry environment. One key factor we are thinking about is the operating temperature, since we have never done any environment test before. Our ...
- 1,632
4 votes
2 answers
217 views
Self Contained Temperature Display in Very High Temp Environment
I want to build a temperature sensor + display that will operate in a high temperature environment (routinely 120C, but periodically spiking to 175C, and might be exposed to 350C where it would be ...
- 141
0 votes
2 answers
365 views
The role of humidity is BSOD and other glitches
For some unknown reason to me hearing aids require dehumidifying. The humidity somehow very significantly interferes with the microphones and other electronics. Daily dehumidifying stops the ...
user37675
6 votes
3 answers
491 views
Wire for harsh environment
One of the jobs I often have to perform is repairing the infra-red sensing headsets for BattleSports equipment. Basically the headset consists of a pair of IR detectors and red LEDs for indication. ...
- 56.7k
10 votes
3 answers
1k views
Are there crystals that are tolerant of high pressure?
Are there crystals that are tolerant of high pressure? Or do they all have an open space in their case? A customer wants to use our product in a submarine, immersed in high pressure oil. I ...
- 32.1k