Questions tagged [compliance]
The compliance tag has no usage guidance.
82
questions
15
votes
8
answers
3k
views
Is there a standard which requires a high voltage warning label on a PCB?
If part of your PCB carries high voltages at certain nodes, is there a standard that requires some sort of silkscreen label or sticker to warn technicians when installing/uninstalling boards into ...
1
vote
0
answers
69
views
Medical device on patient's bed..Cannot earth the Chassis..How to provide ESD protection?
We are developing a medical device, which will sit on patient's bed. So, the medical device chassis can't be connected to earth. The powersupply of the device is isolated (2MOPP and 2 MOOP), medical ...
0
votes
0
answers
33
views
Parametric or Template test by Ethernet Compliance Test
I am trying to design this part of TC6 from Ethernet test fixture board. As I dont need rest part of the parts for my test. Can someone tell me what are the loads are? Here three different loads can ...
1
vote
1
answer
57
views
Y capacitor provisioning when the output is referenced to mains neutral?
I am designing a device that uses a "standard" board-mounted AC/DC switching supply module (on the order of 20-30W), along with a battery backup, to power itself and an attached device, both ...
0
votes
0
answers
33
views
Industrial product IEC 61000-3-2 compliance
I have a question related to IEC 61000-3-2 standard for current harmonics limits.
I am working on an industrial product rated for 500W that connects to the grid (220VAC).
The standard states that ...
2
votes
1
answer
611
views
Impact on FCC certification due to replacement of GPS receiver module
Can anyone please guide on whether the replacement of GPS receiver with the same spec from the another brand for the cost reduction would impact the FCC approval received for the device or not? If yes ...
0
votes
1
answer
122
views
Test lab noise floor variance and emission limits
I have recently taken part of noise floor measurements for emission tests from two separate EMC labs, both well known and international companies. The thing that shocked me is the dramatic difference ...
9
votes
3
answers
758
views
Are rechargeable li-ion considered primary batteries if charging is not available on the device?
We are designing a one time use medical device which we would like to power using a li-ion pack that would be charged only once at the time of manufacture.
For the purposes of compliance (IEC 60601) ...
1
vote
2
answers
321
views
What does 2xMOPP really mean
I am a student and I am designing a medical device that has a type CF applied part.
I know the specifications that the applied part must comply (4kV of insulation, 8mm of creepage, <10μA patient ...
1
vote
1
answer
232
views
CE Compliance: what is the limit of self-declaration for Industrial Control Panel?
We are a system integrator making custom electrical control cabinets. This is our first time on making panels for European customer, and of course they mandated the CE marking.
The control panel they ...
0
votes
0
answers
63
views
Why are some devices labelled Class II instead of Class III despite using ELV?
For example, my table lamp has an IEC 61140 Class II marking despite it being externally supplied with 24V.
0
votes
2
answers
173
views
How to investigate cause of EMC Pre-compliance failure?
I'm currently designing a new metal detector product and took it for pre-compliance as I've finished the hardware design and am currently finishing up on the software. I've never developed a product ...
-1
votes
1
answer
114
views
Class III device [closed]
Does anyone know about a Class III device that is marked with the attached class III symbol?
Thanks.
4
votes
1
answer
215
views
Double insulation for battery operated device
I work for a lab device manufacturing firm. During the testing of our electronic pipette according to IEC 61010-1,the safety test lab asked why it did not have the symbol indicating double insulation.
...
0
votes
4
answers
525
views
Does a system assembled from CE marked parts (consumer products) still require CE testing?
Let's say you run a company that designs and installs speaker systems for clients. You hear their requirements, look at their space, and then select the most appropriate consumer products for their ...