Question about Coby CRA108 Clock Radio

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The time falls back by about 10 mins a hour? I am using it in India with a 230/110 adapter but working at 50 Hz instead of 60 Hz Is the timing derived from supply freq? i don't think so but just asking Any know issues or known fix for similar problem ?

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The frequency of the power supply line IS where the clock obtains it's reference...it is divided internally to provide the timing for the microprocessor...the only way to make it work properly to my knowledge is to plug into 60 hz supply.

Posted on Jan 03, 2011

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Posted on Jan 02, 2017

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Hi the clock is set for 60 Hertz, What about countrys with 50 Hertz in voltaje?


50 Hz means the electric generator rotates 50 times per second.
And then electricity oscillates or reverses polarity 50 times per second.
Products rated for 60 Hz will not operate correctly with 50 Hz power.

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How do I program the H5CX ASN timer to turn on 5 mins and off 25 mins in an endless cycle. I don't understand the term Output Mode so from that point the instructions become meaningless.


Omron:
https://www.ia.omron.com/support/
http://waterheatertimer.org/pdf/h5cx_sell-sheet-wiring.pdf

I believe you have 230Volt 50 Hz electric power.
Omron is rated 50-60 hz
US timers are rated 60 Hz.
Maximum load on Omron timer is 5amp at 230 volt
Timer should be connected to 2-pole contactor (relay) instead of directly connected to pump.
http://waterheatertimer.org/images/contactor-drawing.gif

Does Amazon sell percentage cycle timer in your country?
A cycle timer makes one full revolution each hour, or 4-hours, or 12 hours. Then percentage is set for 8% for 1 hour cycle.
Contact Intermatic and ask if they have 50 cycle percentage cycle timer, or ordinary cycle timer in 50 Hz.

Nov 22, 2012 | Omron H5CX A AC100-240 Multifunction...

1 Answer

Hi, I have few quick questions regarding the Intermatic HB114C 240 Volt, I would appreciate if you can answer my questions 1. Does this unit have Internal Built in Clock to set up the Clock or does...


HB114C timer likely will not work in India.
Contact Intermatic: http://www.intermatic.com/customer%20service.aspx
Plug type is different than found in India.
India power generation is 50 Hz, so timer might not keep time even with plug adapter.
US power grid is 60Hz, so US-sold products are 60Hz.
Some timers are both 50Hz and 60Hz, but spec sheet usually shows that information.
HB114C spec sheet does not show Hz.
http://www.intermatic.com/~/media/files/intermatic/products/fact%20sheets/timers/hb114c.ashx
http://users.telenet.be/worldstandards/electricity.htm

HB114C is analog appliance timer with clock motor that rotates dial once every 24 hours.
The timer does not have a countdown feature.
Trippers are placed on dial.
As dial rotates, trippers move small switch that opens and closes circuit to load.
Current time is set by manually rotating clock dial until current time lines up with arrow located on inner dial.
After power failure, current time must be reset.
There is no way to install a battery back-up inside the timer.

To see images
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#appliance

Aug 15, 2011 | Intermatic HB114C Heavy-Duty Timer

1 Answer

I have a Simply Perfect For The Home brand Microwave Oven that I bought from the U.S. Military post here in Schweinfurt, Germany for $50 I live on the economy in my own apartment. The microwave is a 120...


Just as a NOTE: When I bought my Panasonic microwave from AAFES, before I took it home, they sent it through their maintenance department to adjust the internal voltage. Power for the US is 60 HZ. Power in Europe is 50 HZ. Long Technical Explanation shortened: there's more energy (Heat) in 50 Hz than 60HZ especially when used in anything that uses high power. AAFES adjusted the internal power down to compensate and keep from blowing up the unit. Look for a fuse inside. Replace it, then ask AAFES to reconfigure the product for lower power or 50Hz.
Also as a note, many, dare I say most, clocks from the US count the HZ to count time. So if your US clock, say on your coffeepot timer, looses time overseas; it's probably losing 4 hours a day (do the math: 50 hz/60hz=83.333_%. 83.3_%*24 hr=20 hrs or 4 hours lost). So, if your time is set for 7AM coffee start, when you get that cup of coffee at 7:10AM, set your clock forward to 11:10 AM; or at 7PM, make sure it actually says 9PM. It will loose enough time by the next 7AM to be correct.

Aug 11, 2011 | Microwave Ovens

1 Answer

I recently purchased an Audiovox Clock Radio CR20 from the USA on a visit to that country. I am back in my home country India and started using the clock radio. I find that the clock is not keeping correct...


The reason of your problem is that your local mains frequency is 50 Hz and when you use 230V to 120V converter, this simple device can not convert frequency only the voltage. Your clock is synchronized to the mains frequency which is 50 Hz instead of 60 Hz and the clock goes slowly. It is late (60-50)/60 ---> 10 minutes in every hour.
I am sorry but I think your problem can not be fixed. ( It would be possible to convert the frequency but the cost of this kind of device would be higher than the value of this Audiovox)

Thanks.
gylacz

Aug 10, 2011 | Audiovox Audio Players & Recorders

1 Answer

Clock not keeping the correct time


I have to ask where you bought the unit? Did it just start doing this or has it done this since new? The reason I ask is if you have a 50 Hz unit and it is operating on 60 Hz it will gain time and there is no adjustment.

Mar 06, 2010 | Miele H344-2 B Stainless Steel Electric...

1 Answer

My adapter is not working


US house current is 110-120 Volts and 60 cycles. Adapter must have this type of power. India has 220 Volts and 50 cycles ( Hz). You need an adapter designed for Europe/ India

http://users.telenet.be/worldstandards/electricity.htm

Feb 28, 2010 | Panasonic Lands Phones

1 Answer

Uae customer


even if there is power difference, all you have to do is buy a transformer that would convert 110 volts to 220 volts or vice versa. another issue that to be consider is frequency.

if the unit is designed to run at 60 Hz, then it would be slower when plugged to a 50 Hz supply. and the reverse, it would be faster if it is designed to 50 Hz and plugged to a 60 Hz supply.

tnx 4 using fixya,

drcool

Sep 28, 2008 | Washing Machines

2 Answers

JCR-160 clock radio Clock running slow


The clock works off the frequency (hertz). In US the electrical wave frequency is 60HZ/sec and in India and many other countries 50HZ/sec. Hence, the clock slows down about 6 seconds or so every minute.

Mar 12, 2007 | Jensen JCR-425 Clock Radio

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