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Questions tagged [certification]

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0
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1answer
83 views

What's this regulatory symbol?

I am trying to identify this symbol as a part of personal research. I could not find any leads with Google Image search.
2
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1answer
41 views

Switzerland - IEC vs UL vs VDE vs CSA ratings [closed]

I'm currently looking for a new connector for a PCB embedded in a household device with ABS housing. The connectors are intended to have 3 phases, 1 neutral and 1 ground wired to it. On swiss ...
2
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1answer
102 views

CE mark on a PCB sold as a part of a kit or part of a project, necessary?

I've a prototype that I want to sell as a product. My prototype is made by an aluminium structure, a motor, a moving part (made by 3D printer) and an electronic circuit. The electronic circuit is ...
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0answers
35 views

Electric field internsity of RFID loop antenna

We are going to export a fairly simple RFID product (Mifare, HF 13.56 MHz) to Japan and I am trying to figure out if we have to go through the full certification process or if we can register it as '...
4
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1answer
443 views

Are USB protocol and connector free or are they patented?

For a hobbyist developing a device, certification is not pleasant. I am wondering if implementing USB in any way is patented or needs a certification? I am concerned about both protocol (USB-2,3) ...
3
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1answer
64 views

Running or belt conveyor with electric motors and control panel need a kind of certification to be sold in US market?

We want to provide new machinery of a runner conveyor and a belt conveyor in the US market. The equipment consists of: the basic construction (metal parts, runners, drums, and belts), electric ...
-1
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1answer
67 views

Do we need certifications for device designed for 240V

I have completed the design of a circuit board where the mains 240V can be connected with screw terminals. This is just a sub-assembly unit. This would normally be used in industrial environment. Are ...
0
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0answers
64 views

ESP32: Using SENSOR_VP as GPIO

According to the ESP32 Hardware Design Guidelines, in section 2.1.6, they said: If SENSOR_VP and SENSOR_VN are used as GPIOs, while ADC is supported by other pins in the circuit design, users ...
0
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1answer
48 views

Can we install product above FCC test power level declared in certification report

we have a product which has radio of 1W maximum output power , we have sent product for FCC through party lab, and they certified the product with 18 dbm only. So we get the certificate with only 18 ...
3
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2answers
106 views

Can transformerless power supplies be UL/CSA certified and is there any specific standard they must meet?

I am trying to bias a linear optocoupler on the AC mains side of a circuit, in order to transfer analog information to the secondary side of the circuit. I have designed the following capacitive power ...
0
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0answers
58 views

Does anyone know the UL standard related to resistors and isolation on AC mains?

I have a circuit that is attempting to measure AC line voltage 120-240V but I was told by the certification test lab that my voltage divider resistors would require an expensive 3 week soak test. The ...
0
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0answers
53 views

Power spectral density FCC vs CE 300 328 difference

Both FCC and CE 300 328 has power spectral density test, may be with little difference. We bought 2.4ghz radio which has FCC pass report with 30dbm power and its pass the power spectral density test. ...
0
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3answers
96 views

USB current draw and CE marking

We have developed a docking station product which charges multiple devices simultaneously, and currently ships with a 5V, 3A barrel jack adaptor. We are looking to move this over to USB power, and ...
0
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1answer
82 views

EN 300 328 CE radio certification with power limit

We have developed product for Malesia country, where we need local SIRIM certificate. RF module we used in our product is 2.4Ghz wifi mesh, with max 30dbm (1 watt) output power capacity. To get ...
1
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0answers
112 views

Female symbol on PCB silkscreen?

You can see the symbol on the upper right hand side of the board, what appears to be a pictogram of a woman wearing a dress, similar to a bathroom sign (?) Wondering what this is.
11
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1answer
2k views

Symbols: Double-arrow circle enclosed “10” on electronic appliances

What does the symbol that says 10 inside the double arrowed circle mean? I have seen a similar symbol on another appliance that had the number 25
0
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1answer
77 views

Transformers headroom and “mandatory” components

I have calculated the maximum (Worst Case) current consumption of my circuit to be 88mA. Looking at transformers I found one at an specified max output current of 90mA for parallel winding which is my ...
1
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1answer
652 views

Can you reuse FCC certification from a pre-certified RF chip and antenna for a new product?

I am in the process of designing a board that turns a Gameboy into a Bluetooth controller. Due to size constraints, I would like to use the ESP32-PICO-D4 standalone chip by Espressif instead of one of ...
0
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1answer
107 views

What's this certificate mark?

The bottom row has an ETL Mark, a double insulate, an FCC logo, not quite sure what that little house next to the FCC logo is but what I am most intrigued about is the logo above them, it looks like ...
0
votes
1answer
505 views

RC snubber on bridge rectifier (capacitor rating)

I am using a bridge rectifier on the mains and across each diode I have placed a RC snubber for EMI mitigation. (C is rated at 1Kv) My question is...on the C (from the RC snubber) should I use Y or X ...
2
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2answers
133 views

Understanding ETSI EN 300 frequency hopping transmit time limit

In ETSI EN 300 328 V2.1.1 (2016-11), section 4.3.1.4.3.1 Non-adaptive frequency hopping equipment (under Requirements for Frequency Hopping equipment limitations), it is stated: ...
0
votes
1answer
472 views

CE marking of device that contains CE certified module

I am using a bluetooth module in an electronic product. This bluetooth module is CE certified. When it comes to CE marking of the whole product, do I need to perform tests of the bluetooth part of ...
14
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1answer
2k views

What is this circular symbol on my SD card?

I have bought a SD card, same as in the picture below. I have found a completely new logo printed on that. I have searched on the internet for this logo, but didn't find anything. Can anyone here ...
0
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1answer
75 views

Certifications and Standards [closed]

I am looking to import machinery (CNCs, extruders, presses etc.) from China to use in my own factory for a specialized production in the USA. Machines are produced by smaller shops in China without ...
4
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1answer
307 views

FCC Part 15 Class B Declaration of Conformity (DoC)

I'm familiar with Part 15 FCC testing for intentional radiators (3 meter limits of certain power, must be filed with FCC, requires accredited lab), but I'm a little unclear on the Class B ...
1
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2answers
65 views

International Electrical Certification

I am involved in a project where we will be doing a run of about 200 products. We do not know where in the world our client will be sending these products. Each product uses mostly off the shelf ...
51
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6answers
8k views

Does my Arduino-based device need FCC certification?

I've built a small consumer device that contains an Arduino Nano. It's coupled to a custom daughter board that allows it to pulse a 12V electromagnet at about 1 hertz as well as inteface to some ...
2
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1answer
55 views

Where can I find ultrasound machine regulations?

Diagnostic ultrasound machines are limited in their output power so that the sound waves don't cavity the microbubbles in the body. What I want to know is how do manufacturers prove their power ...
0
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3answers
1k views

IEC 61000 vs IEC 61326? Electromagnetic compatibility(EMC)

I have been working on a product which requires EMC tested based on an IEC Standard. The product application is measurement and monitoring of various Solar String Parameters like voltage, current and ...
0
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2answers
92 views

How can I calbrate my power meter?

I used to work for a company that made power meters but only worked on the desktop application (user interface) side of things and never really learned completely how some processes occur, like the ...
0
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1answer
517 views

Question about ETL and UL Certifications for battery powered tools

A friend is considering importing a 15 volt Lithium-Ion Battery (2600mAh) operated tool from China to sell to consumers in the USA. The battery charger that comes with the sprayer has a stamp that ...
0
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1answer
415 views

Limit of the voltage and current of my electronic product for CE certification

I would like to know if there is a regulation that would require me to get my product certified because it uses to much power or uses a too high voltage. My product uses an external adaptor AC-DC ...
13
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4answers
3k views

At what level of complexity should I consider UL listing my widget?

I am interested in making a widget to sell, but it will probably have a small market and small volume. At what level of complexity should I consider UL listing (or otherwise certifying) my widget? I ...
1
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1answer
168 views

What special problems are there if I use two radio modules on the same board?

I have to develop a project that basically receives and sends data on a Bluetooth LE module, and then changes the stream a bit and re-sends or receives that information on another radio module in the ...
0
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2answers
378 views

Do electronic devices like a servo motor need a certification to be sold in the US market?

We want to start a crowd funding project for our IoT servomotor. It comes with an integrated controller and an ethernet connection (no wireless) and now we are not sure about certifications (FCC, RoHS,...
3
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2answers
213 views

What tests, certifications and labels do I need on my new electronic gadget? [duplicate]

I have designed a VERY basic lighting gadget -- it's basically a flashlight. It turns on and off with a switch and is powered by a rechargeable Lithium Ion Battery via USB cable. It consists of LED's ...
0
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1answer
800 views

Li-ion battery IEC 62133 compliance

Hei, Wondering if any of you have experience on secondary li-ion batteries (not battery packs) that comply with IEC 62133 certification? I can't seem to find abundant amount of batteries covering ...
1
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2answers
400 views

FCC Requirement for device to device output power variability?

I'm working on a BLE capable device using the Nordic Semiconductor nRF52 SoC, and we're going to have to go through FCC testing. But one thing that I am not clear on, at all, is the tolerance in ...
2
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0answers
132 views

Realtek 8188 WiFi module continuous transmit mode [closed]

I'm going to certify an appliance with a RT8188 WiFi module, for which I did the Android port and wrote the software. The certification laboratory is now asking me to write a test software that can ...
1
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1answer
542 views

ISO standards test for vibration resistance of electrical equipment

I would like to test some electrical contacts for oxidation wear resistance in indoor environments and in cars including off road vehicles with a lot of vibration. Are there some ISO standard tests ...
0
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1answer
35 views

Is safety certification required for an electronic board that interfaces to LED driver?

LED drivers come with safety certification. If a company wants to build an electronic board to control the LED driver (say, on and off), does it need to be safety certified as well?
0
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1answer
437 views

FCC certification for multiple transmitters

Need help in understanding FCC certification for a IoT device with a Bluetooth module and a WiFi module. The Bluetooth has its own FCC ID, so does WiFi. Both are certified to be modular FCC ...
5
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3answers
534 views

How often does EMC certification have to be repeated (especially in Australia)?

I realise that this may be largely legal in nature and may be off topic, but I think that the users of this site are most likely to be able to answer accurately, so I shall ask and risk being shot ...
2
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1answer
350 views

CE and FCC for MCU boards/Raspberry Pi HATs/Arduino shields etc

There doesn't seem to be a great deal of information on the internet about this (and the information that there is is usually contradicted somewhere else), so I'm going to ask this here, in the hope ...
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1answer
255 views

How do I go about getting CSA certification for a Low Voltage (< 5V) electronic device?

I have a low voltage home automation device that takes in sensor data and transmits uses it to control electrical switches in a house. Example: The device consists of a microntroller and relays. It ...
4
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2answers
119 views

Circuit Testing, Verification & Certification Standards for Biomedical Devices

Please note: I would have posted this question on HealthIT.SE but they are apparently now closed for business, and I believe this site is the next most appropriate place to ask this. I believe this ...
3
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2answers
616 views

Does a computer assembled only from CE marked subassemblies still need CE testing?

The FCC (bulletin 62) mentions an exception allowing someone to assemble and sell computers without the normal FCC testing requirement "as long as they start with an FCC-authorized system and add to ...
1
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1answer
235 views

If my product uses a certified RF transmitter, is it treated specially by the FCC?

So I have a product. It uses the Particle P1 as the microcontroller and WiFi RF setup (with onboard antenna), which is pre-FCC certified; it has a ("Contains Transmitter") FCC ID that you put on the ...
8
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1answer
7k views

How to find out which certificates (FCC, CE etc.) are necessary for a product?

Is there any way to find out which certificates are necessary for an electronic device to be sold / imported into US / Europe / Asia? FCC and CE are common knowledge, but then there are other ...
4
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3answers
603 views

What tests should I perform before I claim my enclosure is Type 1?

I've seen varying definitions of "type 1" enclosure, and most of them are informal. I've also heard it informally explained that I should be able to drop a screw into the top of the unit and not have ...