Questions tagged [ce]

Use this tags for questions regarding European CE marking of electronics. This includes things like EMC, radio or environmental testing according to the applicable EU directives. Do not use this tag for questions regarding BJT common emitter - there's the common-emitter tag for that!

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ETSI standard for 433 MHz

I am really confused about ETSI standards for SRD. I need some ETSI standard which regulates frequency band 433 MHz (433,050 MHz to 434,790 MHz). I found ETSI EN 300 220-1 V3.1.1 (2017-02) - it seems ...
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A question about CE marking

If an electrical enclosure is interfaced with CE marked devices, does it still require assessments before using CE marking on it? So if one makes an enclosure using a CE marked PSU and other CE marked ...
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ESP32-WROVER-E CE certification is needed on a new PCB?

We are making a new PCB that integrates a ESP32-WROVER-E chip. Indeed, ESP32 is welded to a new pcb. As ESP32 module is already CE certified and we are not modifying anything of this module, do we ...
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Regarding validity of the EMC/EMI & safety test reports containing withdrawn IEC Standards for CE & UKCA declaration

I do have a question regarding the validity of the EMI/EMC & Safety test reports of the products which do have the withdrawn IEC standards. Like for an Example: If we do have tested the products ...
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Compliance of 2x female connectors with male pin breakaway from another brand

For a product similar to a 3D printer I'm connecting 5x small Nema 8 motors and ground cables through a small 26x connector. The connector is enclosed and cannot be accessed from the user. The motors ...
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Questions about EMC compliance

I am working within an electronics development department. My job is to design electronic cards on behalf of clients. Some cards end up in devices which are commercialized by our clients in Europe. I ...
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Li-Po battery standards for EU & US

I am selecting a Lithium Polymer battery for a general low power electronic device with wireless communication which we plan to sell in EU and US. My reference is following documents: IEC-62368: &...
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FCC Complaince & Removable Bluetooth Antennas

We are developing a product that will hopefully soon be sold internationally and will therefore be put through FCC & CE Certification testing. Part of that design is an audio mixer with an ...
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CE marking of devices using pre-certified radio modules without antenna, just a 50 ohm RF port

I'm right now working on a project involving 2 radio modules, a SIM800F and a LoRa1276-C1-868. The modules are already certified under the radio equipment directive. In the case of the LoRa module it ...
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Household appliances commercial project EU certification

I got a job to do a household appliances with wireless remote control. I’m working as embedded developer in current company, but we haven't had to certificate our solutions and I'm looking for advice. ...
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FCC certified module in europe

If I have an FCC certified BLE module, can I use it in a product destined for Europe and CE mark the product with no additional (intentional radiator) testing?
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Should I get CE mark on my Arduino project?

I just finished my big Arduino project after 2 years. I would like to start selling it, but I am not sure if I need CE certification or not. I used the below components: Arduino Nano-oled 0,96" ...
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Which products require EMC certificate?

What are the guidlines (or where can I find them) for which products require EMC testing certificate? I know that this determined per country, so for starters let's go with the US. My product contains ...
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ESD protection for power input with several fused branches

I'm designing an industrial board that will be powered with a +24V DC. On the PCB there are several fuses to protect each branch against over-current/short-circuit. Example: simulate this circuit &...
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Low voltage directive

I just want to check my understanding of LVD. I have a portable device that operates on a 30V DC input. Its output is less than 30V DC and is powered by a wall plug (UK 240V) that I supply. Am I ...
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Electromagnetic compatibility and external sensors

I have two main questions regarding the electromagnetic compatibility (EMC). If I develop an electronical device and market it in Europe, it needs to be EMC-compliant, right? How come I can buy ...
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If all parts in a product are FCC or CE certified then do i still need to apply for certification for the complete product?

I am building a CNC product and all the electronics parts we are using are either FCC or CE certified. Do I then have to obtain a separate certification for the product as a whole ? Also any idea what ...
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Bluetooth and Wifi Maximum Power limt

I saw below Bluetooth chip comparison of many module , most of all are having 8dbm max power , what I know FCC has 30dbm and CE has 20dbm Max power limit so why Bluetooth module are limited to only ...
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Does a server put in a 19-inch rack require CE marking?

If I sell to a european customer a simple 1U rack-mount server in a 19-inch rack, do I need to test the conformity of the whole "thing"? The server itself has CE mark, not sure about the 19-...
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Which standard must Li-ion battery fulfil for CE marking in late 2020, IEC 62133:2012 or IEC 62133-2:2017?

I am looking for a slim CE-certified rechargable battery to put in my product. All of the (very few) certified batteries that I have found are compliant with the IEC 62133:2012 (2nd edition). But that ...
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CE/FCC/RoHS/etc certification for Intel NUC and other barebone MiniPCs?

Intel sell the Intel NUC without a hard drive or ram. They provide a list of compatible rams and drives. By sliding in the ram stick and drive, am I not invalidating all of the certificates on the ...
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How to get CE markings for a PC I assembled from CE certified components?

If I purchase a kit from a website like overclockers.co.uk which includes a quality power supply, motherboard, CPU, etc. Everything is CE certified and all components are the highest grade. All I am ...
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LCD 4x20 display malfunction after ESD, Recover?

I have a device with 4x20 generic LCD display controlled by arm STR750 processor which is working well. According to IEC EN 61000-6-4 standart criteia B display of device should be recovered in a ...
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FCC / CE requirements for adapter pcb?

A product consisting (electronically) just of a PCB with a male USB-C one one side, 5mm of traces and a female USB-C on the other end. No other components at all. To be used as consumer device. How ...
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How can I easiest (cheapest) I'm within EMC regulations?

I'm a hobbyist that's currently developing a simple clock and hoping to make it into a small scale sellable product. It's a simple 5V USB clock with a ATTiny84 8MHz clock, a RTC-module and some WS2813 ...
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What safety regulations do I need to follow for wiring of a decorative lamp utilizing a fluorescent tube with g10q fitting?

I'm building a cast concrete decorative lamp. It will use an exposed circular fluorescent bulb, which attaches to a g10q lampholder. I understand I will need to wire it up to a ballast and starter, ...
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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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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 ...
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Pi Filter Option

I put a (C-L-C) Pi Filter in series with my antenna trace on a new design, like so: source The reason you put one of these circuits in, as I understand it, is just in case, during compliance ...
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Electrical Safety Guideline for LVD Compliance

We are making a product -a warning light- with 220V rated voltage. The product has a non isolated offline buck regulator. The 220V part can be accessed without the use of a special tool (there is a "...
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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 ...
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Viable alternative for expensive MLCC capacitor?

I'm thinking of building and selling a product which uses a DC-DC isolator. I've been prototyping with Recom RI3 3W Isolated DC-DC Converter Through Hole, Vin 5 V dc, Vout 9V dc, I/O isolation 1kV. ...
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Is my simple atmega2560 based product exempt from EMC testing?

I have designed a product that is essentially a USB HID device for a computer game. It consists of several on off switches and 5v servos run by an atmega2560, all sealed and enclosed in a plastic case....
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Is RoHS and EMC compliance enough for a 24V industrial sensor to carry CE Mark?

My company is planning to produce a fork sensor (example). Before starting design, I looked up EU Directives to find if there are any electrical requirements for product safety. First stop was Low ...
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5 votes
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How to determine which harmonized standards are relevant to achieve CE conformity declaration

We are aiming to develop our first product to achieve a CE marking. So far i understand that there are a few directives like Low Voltage Directive (LVD), ROHS, EMC, etc, which can be implemented by ...
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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 ...
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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 ...
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Designing two stage CE amplifier with negative feedback [closed]

I'm trying to design two stage ce amplifier with negative feedback using 2n2222 transistors. The circuit must have certain voltage gain, Rin, Rout, Vcc, low and high frequency filter. This is the ...
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2 votes
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Wifi/BT on Realtek 8723 - Is FCC, CE certification needed for Wifi if we disable Wifi and use only Bluetooth?

I'm planning on importing a generic mini pc that comes with an onboard Realtek 8723 for Wifi and Bluetooth. We will need to get it FCC, CE, IC certified before we sell it in North America/EU. Getting ...
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3 votes
3 answers
125 views

Compliance Testing Strategies

How do people / companies deal with compliance testing (CE, UL, FCC, etc.) what I would call "platform-oriented and modular" products? The idea being that a family of products might exist, where a ...
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3 votes
2 answers
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ESD/EMI Design for CE, Recommendation seems wrong from test lab

I have designed a product for a customer, that now needs to pass UL/FCC/CE Testing, It passed UL & FCC but failed CE for both 8kv ESD and EMI. The Chinese test lab my client went through sent me ...
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EMC test for PCB board without housing

Our company is exporting our product to European market. To sell it to Europe we need CE mark. so we let the test lab test only EMC(EMI+EMS) because our products usually don't equip any RF nor AC ...
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1 vote
1 answer
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CE mark for art works. Necessary? [duplicate]

Im making lamps which are hand built, and each one is sold as a signed one out of a series of a predetermined number. The lamps are made of plexiglas, they use an LED strip which is connected to a ...
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2 votes
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1k 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 ...
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886MHz ETSI duty-cycle requirement

We are designing a 868MHz keyfob, which is transmitting in a band with a 1% duty-cycle limit. According to the ETSI EN 300 220-1 standard section 5.4, the duty-cycle should be measured for a period ...
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Ce marking design rules

Does anyone here know anything about ce marking? If I want to design a new electronic product and sell to europe I have to include the ce marking in the pcb. I have found many informations about the ...
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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 ...
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What happens when the chip enable active time limit is exceeded?

The datasheet of a FRAM chip (FM1608-120-P) says that "the device has a maximum /CE low time specification that must be satisfied". The datasheet does not state what the consequences are when this ...
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Common emitter voltage amplifier does not work

Since I'm a beginner to electronics, I'm trying to build the following circuit in order to see the way a common emitter amplifier works. I'm using the transistor of type BC547, as indicated in the ...
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ETSI EN 300 220-1 868MHz frequency precision

I'm trying to read the ETSI standard regarding my 868MHz transmitter design. I would like to transmit in one of the channelized bands ex. (868.600 to 868.700), which has a demand on 25KHz channel ...
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