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It's all in the latest edition of the Domestic Building Services Compliance Guide. See pages 16 & 21.
Discuss Weather compensation sensors in the Plumbing Jobs | The Job-board area at PlumbersForums.net
You have to have the correct sensor. The working component in a sensor is a Negative Temperature Coefficient resistor (NTC), i.e. a device whose resistance increases as the temperature decreases. Manufacturers do not all use a NTC with the same resistance/temperature curve so you are normally stuck with the manufacturer's product - unless you can find out which NTC they use and can obtain one from another source.are all sensors equal
Never heard of 100 ohms. 5k, 10k, and 12k (ohms), yes.Specifically, one of the correct resistance (IIRC 100 ohms) but in the reqd temperature range as linear response as possible. None are truly linear tho.
Reply to Weather compensation sensors in the Plumbing Jobs | The Job-board area at PlumbersForums.net
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