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Page added on April 17, 2012
Another thermometer at Fukushima No. 2 reactor apparently not working
Tokyo Electric Power Co. indicated Sunday another thermometer may be malfunctioning at the bottom of the No. 2 reactor vessel at the tsunami-crippled Fukushima Daiichi nuclear power complex as the plant operator observed abnormal temperature readings the previous day.
The thermometer was deemed unavailable for use when it showed an abnormally high electrical resistance level following a sudden increase of temperatures to 60 C on Saturday morning, leaving only one temperature measurement device working properly at the bottom of the reactor vessel, the utility said.
In February, another of the three thermometers at the bottom of the vessel was found to have malfunctioned after showing a surge in temperatures.
“We are able to check temperatures at the vessel’s bottom with the remaining one and assess whether a cold shutdown is maintained by monitoring all thermometers, including those at other locations,” Tokyo Electric officials said.
A stable cold shutdown is achieved when the temperature inside the reactor is kept below 100 C. The latest incident left unavailable 18 of 36 thermometers placed to measure temperatures at the reactor vessel.
6 Comments on "Another thermometer at Fukushima No. 2 reactor apparently not working"
DC on Tue, 17th Apr 2012 2:31 am
So? Run to the local wall-mart and get a 2 dollar made-in china thermo, attach it to some string and lower it down.
Problem solved!
Nuclear power is totally safe.
…and cheap…
and limitless…..
…..and clean.
MrEnergyCzar on Tue, 17th Apr 2012 3:31 am
Are humans working in person repairing number 4? Who is working there? Volunteers? Prisoners?
MrEnergyCzar
BillT on Tue, 17th Apr 2012 3:54 am
I have read that the life expectancy is less than 1 hour if fully exposed. I doubt any human is even close to this area. The robots even break down after 3 hours.
Kenz300 on Tue, 17th Apr 2012 4:43 pm
Nuclear energy is too dangerous and too costly. This disaster continues today with no end in sight. The world needs better information than it is getting from TEPCO and the government of Japan. It has been over a year since the disaster and the problems and issues continue. It is time to bring in experts from around the world to help Japan and TEPCO deal with the disaster.
Gleb on Tue, 17th Apr 2012 10:38 pm
Aren’t they talking about evacuating ten million people from Tokyo? Where will they go?
BillT on Wed, 18th Apr 2012 12:13 am
Gleb, what if a similar disaster happened on the West Coast of the US at the coastal nuclear plant and LA had to be evacuated? That is about 10 million or more. Where to? Could it happen? Ask the Japanese. I bet two years ago they would have said no.