Is pleased to introduce the EL-USB-LITE data logger. At just 8.5g and measuring 68 x 18 x9.4mm the EL-USBLITE delivers the essential features found on many larger, more expensive temperature data loggers.The EL-USB-LITE measures ambient temperatures from - 10C to + 50C at a sample rate of once every 30 minutes. It can store over 40,000 readings.The ELUSB- LITE’s size makes it ideal for applications such as temperature monitoring of goods in transit.
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Poll: Should the UK’s railways be renationalised?
I'd hate to be disingenuous so I've replotted the data with the first trendline from 1946 to 1977 and the second using your chosen dates 1983 to 2018....