Do you have a question about the W89721 and is the answer not in the manual?
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James Shannon
January 29, 2025
Is there a way to shut off the audible sound it makes when displaying a reading?
Summary of Contents for Performance Tool W89721
Page 1
Infrared Thermometer Stock Number W89721 OWNER'S MANUAL PRODUCT SPECIFICATIONS Temperature Range -50 - 380°C (-58 - 716°F) Accuracy +1.5% or +1.5°C Resolution .1°C (0.1°F) Response Time <0.8s Emissivity 0.95 Fixed Distance to Spot Ratio 12:1 Spectral Response 8:14um Storage Temperature 0~40°C (32~140°F)
Page 2
13 - Temp. Reading ton cloth. 2. Case cleaning: Clean the case with a damp sponge/cloth and mild soap. Note: Do not use solvent to clean lens. Do not submerge the unit in water. Feel the difference with Performance Tool.
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Do you have a question about the W89721 and is the answer not in the manual?
Questions and answers
Is there a way to shut off the audible sound it makes when displaying a reading?