Distance to spot size / พื้นที่การวัดอุณหภูมิของเทอร์โมมิเตอร์ชนิดอินฟราเรด - Food Wiki | Food Network Solution
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What is "Distance-to-Spot" (D:S) Ratio of Infrared Thermometer? - UNI-T Meters | Test & Measurement Tools and Solutions
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TPI 376 - Adjustable Emissivity, Laser Sighting, 8:1 Distance to Spot Ratio, -58 to 950 F, Soft Pouch | TEquipment
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Sperry TempCheck Non-Contact Infrared Thermometer, 12:1 Distance to Spot Ratio IRT200 - The Home Depot
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Amazon.com: Digital Infrared Thermometer Gun, Kethvoz Dual Laser IR Temperature Gauge Measure Temp -58℉~2732℉ w/ 30:1 D:S, Industrial Pyrometer for Kitchen Food Pizza Oven Cooking HVAC 1500APP : Industrial & Scientific
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Klein Tools Digital Thermometer Infrared Thermometer in the Infrared Thermometer department at Lowes.com
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