{"id":2828,"date":"2021-08-10T02:32:42","date_gmt":"2021-08-09T18:32:42","guid":{"rendered":"https:\/\/ancor.biz\/?post_type=product&#038;p=2828"},"modified":"2025-08-18T12:52:04","modified_gmt":"2025-08-18T04:52:04","slug":"dwyer-model-471b-thermo-anemometer-test-instrument","status":"publish","type":"product","link":"https:\/\/ancor.biz\/index.php\/product\/dwyer-model-471b-thermo-anemometer-test-instrument\/","title":{"rendered":"DWYER 471B Thermo-Anemometer Test Instrument"},"content":{"rendered":"<h1>Model 471B Thermo-Anemometer Test Instrument<\/h1>\n<h2 class=\"tagline\">Measures Air Velocity or Air Volume and Temperature Simultaneously<\/h2>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/intl.dwyer-inst.com\/Product\/Test-Adjust--Balance\/Thermo-Anemometers\/Model471B?Query=471B#ordering\">DWYER<\/a> 471B Thermo-Anemometer Test Instrument is a versatile dual function unit. The DWYER 471B <a href=\"https:\/\/ancor.biz\/index.php\/product-category\/brand\/dwyer-instruments-brand\/thermo-anemometer\/\">Thermo-Anemometer<\/a> Test Instrument quickly and easily measures air velocity or volumetric flow as well as air temperature in imperial or metric units. A stainless steel probe is included, which has a comfortable hand grip and etched insertion depth marks. The extruded aluminum housing fully protects electronics, yet is lightweight and comfortable to hold.<\/p>\n<p>&nbsp;<\/p>\n<h3 class=\"sub_heading\">Product Applications<\/h3>\n<ul class=\"list-details inline product_feature\">\n<li>Duct traverses<\/li>\n<li>HVAC inspections<\/li>\n<li>Testing and balancing<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<section id=\"features\" class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-4\" aria-expanded=\"true\" aria-hidden=\"false\">\n<h3 class=\"tab-heading\">Features<\/h3>\n<ul>\n<li>Compatible with Dwyer RP1 thermo-hygrometer and VP1 100 mm vane thermo-anemometer probes (sold separately)<\/li>\n<li>Visible in any condition due to high contrast and backlit LCD display<\/li>\n<li>Able to store up to 99 readings<\/li>\n<li>Probe sensors are protected by the integral sliding cover<\/li>\n<li>Built-in volumetric air flow calculations<\/li>\n<\/ul>\n<\/section>\n<p>&nbsp;<\/p>\n<section id=\"specs\" class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-3\" aria-expanded=\"true\" aria-hidden=\"false\">\n<h3 class=\"tab-heading\">Specifications<\/h3>\n<ul>\n<li>Service: Air velocity and temperature of clean, dry air.<\/li>\n<li>Temperature Limits: Process Air Velocity: -20 to 212\u00b0F (-29 to 100\u00b0C); Process Temperature: -40 to 212\u00b0F (-40 to 100\u00b0C); Ambient: 5 to 125\u00b0F (-15 to 51\u00b0C).<\/li>\n<li>Display: 4.5 digit LCD.<\/li>\n<li>Resolution: 0.1%, 0.1\u00b0F\/\u00b0C.<\/li>\n<li>Air Velocity Range: 45 to 6000 FPM (0.23 to 30 m\/s).<\/li>\n<li>Air Velocity Accuracy: \u00b13% FS within temperature range of 40 to 90\u00b0F (4 to 32\u00b0C). -TAB option: \u00b15% of reading, not less than \u00b11.6 FPM (0.5 m).<\/li>\n<li>Volumetric Air Flow Range: 19,999 in selected flow units.<\/li>\n<li>Temperature Range: -40 to 212\u00b0F (-40 to 100\u00b0C).<\/li>\n<li>Temperature Accuracy: \u00b10.5\u00b0F (\u00b10.28\u00b0C) from 32 to 122\u00b0F (0 to 50 \u00b0C); \u00b11.5\u00b0F (\u00b10.83\u00b0C) from -40\u00b0F to 32\u00b0F (-40 to 0\u00b0C) &amp; 122 to 212\u00b0F (50 to 100\u00b0C).<\/li>\n<li>Probe Length: 8&#8243; (203 mm) insertion.<\/li>\n<li>Cable Length: 28&#8243; (71 cm) retracted, 6 ft (183 cm) extended.<\/li>\n<li>Power Requirements: 9 V alkaline battery, installed non-functional, user replaceable.<\/li>\n<li>Weight: 16 oz (454 g).<\/li>\n<li>Agency Approvals: CE.<\/li>\n<\/ul>\n<\/section>\n<p>&nbsp;<\/p>\n<h3 class=\"tab-heading\">Models &amp; Ordering<\/h3>\n<table class=\"product-table\">\n<tbody>\n<tr>\n<th class=\"model-number\" nowrap=\"nowrap\" width=\"\">Model<\/th>\n<th class=\"description\" width=\"\">Description<\/th>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">471B-1<\/td>\n<td class=\"description\" width=\"\">Digital thermo-anemometer, includes 9V battery, sensing probe, wrist strap, hard carrying case &amp; instructions<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3 class=\"tab-heading\">Accessories<\/h3>\n<table class=\"product-table\">\n<tbody>\n<tr>\n<th><\/th>\n<th>Model Number<\/th>\n<th class=\"description\">Description<\/th>\n<\/tr>\n<tr>\n<td class=\"image\"><img decoding=\"async\" src=\"https:\/\/intl.dwyer-inst.com\/images\/Thumbs\/AP1_with_CoiledCord_Small.gif\" alt=\"Thermo anemometer air velocity &amp; temperature probe with coiled cable, 8\" \/><\/td>\n<td>AP1<\/td>\n<td class=\"description\">Thermo anemometer air velocity &amp; temperature probe with coiled cable, 8&#8243; insertion length<\/td>\n<\/tr>\n<tr>\n<td class=\"image\"><img decoding=\"async\" src=\"https:\/\/intl.dwyer-inst.com\/images\/Thumbs\/A_47X_BOOT_RightAngle_Large.gif\" alt=\"Rubber boot for manometers (manometer not included).\" \/><\/td>\n<td>A-47X-BOOT<\/td>\n<td class=\"description\">Rubber boot for manometers (manometer not included).<\/td>\n<\/tr>\n<tr>\n<td class=\"image\"><\/td>\n<td>AP1-18<\/td>\n<td class=\"description\">Thermo anemometer air velocity &amp; temperature probe with coiled cable, 18&#8243; insertion length<\/td>\n<\/tr>\n<tr>\n<td class=\"image\"><\/td>\n<td>AP1-24<\/td>\n<td class=\"description\">Thermo anemometer air velocity &amp; temperature probe with coiled cable, 24&#8243; insertion length<\/td>\n<\/tr>\n<tr>\n<td class=\"image\"><\/td>\n<td>AP1-36<\/td>\n<td class=\"description\">Thermo anemometer air velocity &amp; temperature probe with coiled cable, 36&#8243; insertion length<\/td>\n<\/tr>\n<tr>\n<td class=\"image\"><img decoding=\"async\" src=\"https:\/\/intl.dwyer-inst.com\/images\/Thumbs\/A_160_CASE_80x80.gif\" alt=\"Hard plastic carrying case for pitot tubes up to 48\" \/><\/td>\n<td>A-160-CASE<\/td>\n<td class=\"description\">Hard plastic carrying case for pitot tubes up to 48&#8243;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>PRE-ORDER: 3-10 WORKING DAYS, SUBJECTED TO FACTORY STOCK<\/strong><\/p>\n","protected":false},"featured_media":2835,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"class_list":["post-2828","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-brand","product_cat-dwyer-instruments-thermo-anemometers","product_cat-dwyer-instruments-dwyer-omega","product_cat-dwyer-instruments-brand","product_cat-dwyer-omega","product_cat-thermo-anemometer-dwyer-instruments-dwyer-omega","product_cat-thermo-anemometer","product_cat-thermo-anemometers","product_tag-471b-1","product_tag-dwyer","product_tag-model-471b","product_tag-thermo-anemometer-test-instrument","sales-flash-overlay","woocommerce-text-align-center","woocommerce-image-align-center","do-quantity-buttons"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.3 - 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