Dwyer Series 471 Digital Thermo Anemometer

Dwyer Digital Thermo Anemometer 471B 0-6000 FPM, -20 to 212°F

Dwyer Series 471 Digital Thermo Anemometer | Light Use | Complete Case & Probe

Dwyer 471B-1 Thermo-Anemometer 0 to 6000 FPM Test Instrument

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Dwyer Series 470 Anemometer.