Type B thermocouple
Type B thermocouples use a platinum–rhodium alloy for each conductor. One conductor contains 30% rhodium while the other conductor contains 6% rhodium. These thermocouples are suited for use at up to 1800°C / 3272°F. Type B thermocouples produce the same output at 0°C and 42°C / 32°F and 107.6°F, limiting their use below about 50°C / 122°F.
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