{"id":7539,"date":"2022-05-13T08:18:27","date_gmt":"2022-05-13T00:18:27","guid":{"rendered":"https:\/\/ancor.biz\/?post_type=product&#038;p=7539"},"modified":"2025-08-15T11:40:58","modified_gmt":"2025-08-15T03:40:58","slug":"dwyer-series-dhii-digihelic-differential-pressure-controller","status":"publish","type":"product","link":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dhii-digihelic-differential-pressure-controller\/","title":{"rendered":"DWYER DHII Digihelic Differential Pressure Controller"},"content":{"rendered":"<h1>Series DHII Digihelic\u00ae Differential Pressure Controller,NEMA 4 (IP66) Housing with Large, Bright LCD, Square Root Output for Flow<\/h1>\n<p>&nbsp;<\/p>\n<p>The\u00a0<a href=\"https:\/\/ancor.biz\/index.php\/product-category\/brand\/dwyer-instruments-brand\/\">DWYER<\/a> DHII Digihelic Differential Pressure Controller takes all the features of the standard Digihelic. The DWYER DHII Digihelic Differential Pressure Controller combines the 2 SPDT control relays. 4-20 mA process output and Modbus\u00ae communications with a large, brightly backlit 4 digit LCD display that can easily be seen from long distances.<\/p>\n<p>The electrical wiring has also been enhanced in the <a href=\"https:\/\/intl.dwyer-inst.com\/Product\/Pressure\/DifferentialPressure\/Gage-Switches-Digital\/SeriesDHII?Query=DHII\">DHII<\/a> with its detachable terminal blocks. The removable terminals allow the install to easily wire the terminal block outside the housing.<\/p>\n<p><b>NIST CALIBRATION <\/b> available in Product Configurator.<\/p>\n<p>&nbsp;<\/p>\n<h2 class=\"sub_heading\">Product Applications<\/h2>\n<ul class=\"list-details inline product_feature\">\n<li>Air Handlers<\/li>\n<li>Clean Rooms<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 class=\"tab-heading\">Models &amp; Ordering<\/h2>\n<h3>Standard Ranges<\/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=\"\">DHII-002<\/td>\n<td class=\"description\" width=\"\">Differential pressure controller, selectable engineering units: .2500&#8243; w.c., 6.350 mm w.c., 0.635 cm w.c., 0.467 mm Hg, 0.623 mbar, 62.28 Pa, 0.623 hPa, 0.114 oz\/in\u00b2.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DHII-004<\/td>\n<td class=\"description\" width=\"\">Differential pressure controller, selectable engineering units: 1.000&#8243; w.c., 25.40 mm w.c., 1.868 mm Hg, 2.491 mbar, 249.1 Pa, 0.249 kPa, 2.491 hPa, 0.578 oz\/in\u00b2.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DHII-006<\/td>\n<td class=\"description\" width=\"\">Differential pressure controller, selectable engineering units: 5.000&#8243; w.c., .4167 ft w.c., 127.0 mm w.c., 12.70 cm w.c., .1806 psi, .3678&#8243; Hg, 9.342 mm Hg, 12.45 mbar, 1245 Pa, 1.245 kPa, 12.45 hPa, 2.890 oz\/in\u00b2.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DHII-007<\/td>\n<td class=\"description\" width=\"\">Differential pressure controller, selectable engineering units: 10.00&#8243; w.c., .8333 ft w.c., 254.0 mm w.c., 25.40 cm w.c., .3613 psi, .7356&#8243; Hg, 18.68 mm Hg, 24.91 mbar, 2491 Pa, 2.491 kPa, 24.91 hPa, 5.780 oz\/in\u00b2.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DHII-008<\/td>\n<td class=\"description\" width=\"\">Differential pressure controller, selectable engineering units: 25.00&#8243; w.c., 2.083 ft w.c., 635.0 mm w.c., 63.50 cm w.c., .9032 psi, 1.839&#8243; Hg, 46.71 mm Hg, 62.27 mbar, 6227 Pa, 6.227 kPa, 62.27 hPa, 14.45 oz\/in\u00b2.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DHII-009<\/td>\n<td class=\"description\" width=\"\">Differential pressure controller, selectable engineering units: 50.00&#8243; w.c., 4.167 ft w.c., 1270 mm w.c., 127.0 cm w.c., 1.806 psi, 3.678&#8243; Hg, 93.42 mm Hg, 124.5 mbar, 12.45 kPa, 124.5 hPa, 28.90 oz\/in\u00b2. NOTE: velocity &amp; volumetric flow not available.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DHII-010<\/td>\n<td class=\"description\" width=\"\">Differential pressure controller, selectable engineering units: 100.0&#8243; w.c., 8.333 ft w.c., 2540 mm w.c., 254.0 cm w.c., 3.613 psi, 7.356&#8243; Hg, 186.8 mm Hg, 249.1 mbar, 24.91 kPa, 249.1 hPa, 57.80 oz\/in\u00b2. NOTE: velocity &amp; volumetric flow not available.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3>Bi-Directional Ranges<\/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=\"\">DHII-012<\/td>\n<td class=\"description\" width=\"\">Differential pressure controller, range 0-25-0-0.25&#8243; w.c. NOTE: velocity &amp; volumetric flow not available.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DHII-014<\/td>\n<td class=\"description\" width=\"\">Differential pressure controller, range 1.0-0-1.0&#8243; w.c. NOTE: velocity &amp; volumetric flow not available.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DHII-015<\/td>\n<td class=\"description\" width=\"\">Differential pressure controller, range 2.5-0-2.5&#8243; w.c. NOTE: velocity &amp; volumetric flow not available.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DHII-016<\/td>\n<td class=\"description\" width=\"\">Differential pressure controller, range 5-0-5&#8243; w.c. NOTE: velocity &amp; volumetric flow not available.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DHII-017<\/td>\n<td class=\"description\" width=\"\">Differential pressure controller, range 10-0-10&#8243; w.c. NOTE: velocity &amp; volumetric flow not available.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Series DHII Digihelic\u00ae Differential Pressure Controller,NEMA 4 (IP66) Housing with Large, Bright LCD, Square Root Output for Flow &nbsp; The\u00a0DWYER DHII Digihelic Differential Pressure Controller takes all the features of the standard Digihelic. The DWYER DHII Digihelic Differential Pressure Controller combines the 2 SPDT control relays. 4-20 mA process output and Modbus\u00ae communications with a &#8230; <a title=\"DWYER DHII Digihelic Differential Pressure Controller\" class=\"read-more\" href=\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dhii-digihelic-differential-pressure-controller\/\" aria-label=\"More on DWYER DHII Digihelic Differential Pressure Controller\">Read more<\/a><\/p>\n","protected":false},"featured_media":7540,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"class_list":["post-7539","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-brand","product_cat-differential-pressure-gauge","product_cat-pressure-gauge-dwyer-instruments-brand","product_cat-dwyer-instruments-brand","product_cat-dwyer-instruments-dwyer-omega","product_cat-dwyer-omega","product_cat-gage-switches-digital","product_cat-pressure-gauge","product_cat-pressure-gauge-differential","product_cat-dwyer-instruments-pressure-gauge-differential","product_tag-dhii-002","product_tag-dhii-004","product_tag-dhii-006","product_tag-dhii-007","product_tag-dhii-008","product_tag-dhii-009","product_tag-dhii-010","product_tag-dhii-012","product_tag-dhii-014","product_tag-dhii-015","product_tag-dhii-016","product_tag-dhii-017","product_tag-dwyer-dhii-digihelic-differential-pressure-controller","product_tag-dwyer-series-dhii","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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