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Fieldpiece v Testo. Is there a superior brand for wireless probes, or are they about the same? I heard that the field piece pipe clamps only go up to a certain size,
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Testo 549 Refrigeration Digital Manifold HVAC Gauge Meter 0560 0550 - International Society of Hypertension
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Testo HVAC Measurement Kit with Digital Manifold, Pipe Thermometers, Micron Gauge and Nut Driver: Amazon.com: Tools & Home Improvement
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