{"id":34209,"date":"2025-05-15T17:57:24","date_gmt":"2025-05-15T15:57:24","guid":{"rendered":"https:\/\/www.axiomams.eu\/product\/doble-dfa300-rfi-acoustic\/"},"modified":"2026-05-27T03:01:12","modified_gmt":"2026-05-27T01:01:12","slug":"doble-dfa300-rfi-acoustic","status":"publish","type":"product","link":"https:\/\/www.axiomams.eu\/en\/product\/doble-dfa300-rfi-acoustic","title":{"rendered":"Doble DFA300 Partial Discharge Surveyor"},"content":{"rendered":"<p>DFA 300 \u2013 Partial Discharge Surveyor and it combines radio frequency interference (RFI) and acoustic emission (AE). Perfect tool to identify and locate insulation defects.<br \/>\n&#8211; Safe and effective method for PD detection<br \/>\n&#8211; Instrument uses both RFI and acoustic technology<br \/>\n&#8211; Registers RFI from apparatus with insulation problems including PD and arcing<br \/>\n&#8211; Locate and diagnose internal problems using the acoustic sensor on grounded surfaces<\/p>\n<p><b>Technical specifications:<\/b><br \/>\n<b>Acoustic emission channel:<\/b><br \/>\n&#8211; Inputs: 1 channel<br \/>\n&#8211; Connector: BNC<br \/>\n&#8211; Input Impedance: 50\u03a9 or 22k\u03a9, software switchable (low noise preamp: 22k\u03a9 only)<br \/>\n&#8211; AE Operating: Frequency 10 kHz to 500 kHz at -3dB points<br \/>\n<b>UHF channel:<\/b><br \/>\n&#8211; Inputs: 1 channel<br \/>\n&#8211; Connector: BNC<br \/>\n&#8211; Input Impedance: 50\u03a9<br \/>\n&#8211; Bandwidth: 50-1000 MHz with 6 MHz RBW<br \/>\n&#8211; Accuracy: \u00b1 100 kHz<br \/>\n&#8211; Detection Types: Peak and average detector<br \/>\n&#8211; Sweep Processing: Continuous, Average, Max Hold and differential<br \/>\n<b>Power supply:<\/b><br \/>\n&#8211; External Supply: External DC adapter, 12V @ 2A<br \/>\n&#8211; Internal Battery: Li-Ion, high capacity 7.2V, 91 Wh<br \/>\n&#8211; Battery Life: &gt;6 hours<br \/>\n&#8211; Charging Time: \u00b1 3 hours<br \/>\n<b>Mechanical:<\/b><br \/>\n&#8211; Instrument: 225 x 310 x 70 mm (WxHxD)<br \/>\n&#8211; Weight: 2.4 kg<br \/>\n&#8211; Total Weight: 6.0 kg incl. instrument, transport case, manuals, CD and charger<br \/>\n<b>LCD screen:<\/b><br \/>\n&#8211; Display: TFT, 6.4\u201d Transreflective<br \/>\n&#8211; Size (W x H): 132 x100 mm<br \/>\n&#8211; Resolution: 640 x 480 pixels, 256 colours<br \/>\n<b>Data storage:<\/b><br \/>\n&#8211; Internal: NV Flash memory (SD)<br \/>\n&#8211; Externa:l USB storage class compliant, USB Flash Drive\/Hard Disk Drive<br \/>\n&#8211; Data Transfer Measurements can be downloaded to a PC<br \/>\n<b>Environmental:<\/b><br \/>\n&#8211; Enclosure: IP64 \u2013 top covers closed, IP51 \u2013 top covers open<br \/>\n&#8211; Transport: Case IP67<\/p>\n<p>Standard set: instrument PDS300,  transport case,  antennas,  acoustic sensor, battery charger, neck strap, wireless synchronization adapter, software.<\/p>\n<p><a href=\"http:\/\/www.doble.com\/products\/partial_discharge_detection_byproduct.html#pds100\" target=\"_blank\">Manufacturer&#8217;s site.<\/a><\/p>\n<h3>Technical Information:<\/h3>\n<ul>\n<li><a href=\"https:\/\/axiomams.eu\/importer\/export\/attachments\/en\/dfa300.pdf\" target=\"_blank\">DFA300.pdf<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>DFA 300 \u2013 Partial Discharge Surveyor and it combines radio frequency interference (RFI) and acoustic emission (AE). Perfect tool to identify and locate insulation defects. &#8211; Safe and effective method for PD detection &#8211; Instrument uses both RFI and acoustic technology &#8211; Registers RFI from apparatus with insulation problems including PD and arcing &#8211; Locate&#8230;<\/p>\n","protected":false},"featured_media":36076,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[1357],"product_cat":[2527],"product_tag":[],"class_list":{"0":"post-34209","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-doble","7":"product_cat-electrical-test-instruments","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Doble DFA300 Partial Discharge Surveyor - AXIOMA MS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.axiomams.eu\/en\/product\/doble-dfa300-rfi-acoustic\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Doble DFA300 Partial Discharge Surveyor - AXIOMA MS\" \/>\n<meta property=\"og:description\" content=\"DFA 300 \u2013 Partial Discharge Surveyor and it combines radio frequency interference (RFI) and acoustic emission (AE). 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