Review on Testo 550S Refrigeration Temperature Measurement by Steven Asthana
Inaccurate temperature clamps!
I like the collector itself, but the temporary clips are terrible! They are around minus 10f! I tested 3 wire clamps and 2 different multimeters. On my low side with my wire it would be 50f but my testo clamps say it's somewhere around 40 or 38! Unacceptable!
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