{"id":7384,"date":"2023-07-27T01:09:00","date_gmt":"2023-07-27T01:09:00","guid":{"rendered":"https:\/\/staging.lascarelectronics.com\/?post_type=product&#038;p=7384"},"modified":"2026-07-08T08:46:54","modified_gmt":"2026-07-08T08:46:54","slug":"el-usb-4","status":"publish","type":"product","link":"https:\/\/lascarelectronics.com\/intl\/data-loggers\/voltage-current\/el-usb-4\/","title":{"rendered":"EL-USB-4"},"content":{"rendered":"<p>This standalone data logger measures more than 32,000 readings over a 4-20mA d.c. measurement range. The data logger is supplied with a cap featuring a pair of screw terminals and measurement leads terminating in crocodile clips. Easily set up the logger and view downloaded data by plugging the unit into a PC\u2019s USB port and using the free <strong><a href=\"\/easylog-software\/\">EasyLog software<\/a><\/strong> provided. Data can then be graphed, printed and exported to other applications for detailed analysis. Supplied with \u00bd AA battery and wall mount clip.<\/p>\n<p><strong>PLEASE NOTE<\/strong>:\u00a0You can add up to\u00a0TWO SPARE BATTERIES\u00a0for every data logger ordered.\u00a0 If you wish to order more than this quantity, please contact your<strong>\u00a0<\/strong><a href=\"\/contact-us\/\"><strong>local sales office<\/strong><\/a>\u00a0for special shipping information.<\/p>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li>4-20mA d.c Current Loop Data Logger<\/li>\n<li>Stores over 32,000 readings<\/li>\n<li>Logging rates between 1 second and 12 hours<\/li>\n<li>Connection via two screw terminals<\/li>\n<li>Immediate and delayed logging start<\/li>\n<li>Programmable Alarm Thresholds<\/li>\n<\/ul>\n","protected":false},"featured_media":9339,"template":"","meta":{"_acf_changed":false,"content-type":"","_uag_custom_page_level_css":""},"product_brand":[],"product_cat":[99],"product_tag":[154],"class_list":["post-7384","product","type-product","status-publish","has-post-thumbnail","product_cat-voltage-current","product_tag-usb","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"spectra_custom_meta":{"_wp_old_date":["16\/08\/2023"],"_sku":["EL-USB-4","EL-USB-4"],"_regular_price":["81.65","61.4"],"total_sales":["130","130"],"_tax_status":["taxable","taxable"],"_tax_class":["",""],"_manage_stock":["no","no"],"_backorders":["no","no"],"_sold_individually":["no","no"],"_virtual":["no","no"],"_downloadable":["no","no"],"_download_limit":["0","0"],"_download_expiry":["0","0"],"_stock":[null,null],"_stock_status":["instock","instock"],"_wc_average_rating":["0","0"],"_wc_review_count":["0","0"],"_product_version":["10.7.0","10.7.0"],"_price":["81.65","61.4"],"_edit_last":["10882","10882"],"_edit_lock":["1783500282:10882"],"rank_math_description":["The EasyLog EL-USB-4 Current Data Logger measures more than 32,000 readings over a 4-20mA d.c. measurement range. Contact Lascar Electronics today to get yours!."],"specifications_table":["<table class=\"specifications\">\r\n<tbody>\r\n<tr class=\"even-row\">\r\n<td class=\"left-td\">Measurement Range<\/td>\r\n<td>4 to 20mA d.c.<\/td>\r\n<\/tr>\r\n<tr class=\"odd-row\">\r\n<td class=\"left-td\">Internal Resolution<\/td>\r\n<td>0.05mA d.c.<\/td>\r\n<\/tr>\r\n<tr class=\"even-row\">\r\n<td class=\"left-td\">Accuracy<\/td>\r\n<td>\u00b11%<\/td>\r\n<\/tr>\r\n<tr class=\"odd-row\">\r\n<td class=\"left-td\">Input Impedance<\/td>\r\n<td>110 Ohms<\/td>\r\n<\/tr>\r\n<tr class=\"even-row\">\r\n<td class=\"left-td\">Logging Rate<\/td>\r\n<td>User selectable between 1 second and 12 hours<\/td>\r\n<\/tr>\r\n<tr class=\"odd-row\">\r\n<td class=\"left-td\">Operating Temperature Range<\/td>\r\n<td>-35 to +80\u00b0C (-31 to +176\u00b0F)<\/td>\r\n<\/tr>\r\n<tr class=\"even-row\">\r\n<td class=\"left-td\">Battery Life<\/td>\r\n<td>3 Years (at 25\u00b0C and 2 second logging rate)<\/td>\r\n<\/tr>\r\n<tr class=\"odd-row\">\r\n<td class=\"left-td\">Readings<\/td>\r\n<td>32,510<\/td>\r\n<\/tr>\r\n<tr class=\"even-row\">\r\n<td class=\"left-td\">Dimensions<\/td>\r\n<td>98 x 26.8 x 26.8 mm (3.85 x 1.05 x 1.05\u201d)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>"],"resources":["<ul class=\"resources-list\">\r\n \t<li><img src=\"https:\/\/lascarelectronics.com\/intl\/wp-content\/uploads\/document-icon.png\" alt=\"Document icon\" \/><a href=\"https:\/\/lascarelectronics.com\/intl\/wp-content\/uploads\/easylog-data-logger-el-usb-4-iss19_02-21.pdf\" target=\"_blank\" rel=\"noopener\">EL-USB-4 Datasheet<\/a><\/li>\r\n \t<li><img src=\"https:\/\/lascarelectronics.com\/intl\/wp-content\/uploads\/software-icon.png\" alt=\"Software icon\" \/><a href=\"https:\/\/lascarelectronics.com\/intl\/software\/easylog-software\/easylog-usb\/\" target=\"_blank\" rel=\"noopener\">EasyLog USB Software<\/a><\/li>\r\n \t<li><img src=\"https:\/\/lascarelectronics.com\/intl\/wp-content\/uploads\/document-icon.png\" alt=\"Document icon\" \/><a href=\"https:\/\/lascarelectronics.com\/intl\/wp-content\/uploads\/easylog-usb_quick-start-guide_iss12_singlepage-05_2018.pdf\" target=\"_blank\" rel=\"noopener\">EasyLog USB Quick Start Guide<\/a><\/li>\r\n \t<li><img src=\"https:\/\/lascarelectronics.com\/intl\/wp-content\/uploads\/document-icon.png\" alt=\"Document icon\" \/><a href=\"https:\/\/lascarelectronics.com\/intl\/wp-content\/uploads\/el-usb-range-includes-el-gfx-range-troubleshooting.pdf\" target=\"_blank\" rel=\"noopener\">EL-USB Range Troubleshooting<\/a><\/li>\r\n \t<li><img src=\"https:\/\/lascarelectronics.com\/intl\/wp-content\/uploads\/video-icon-orange.png\" alt=\"Video icon\" \/><a href=\"https:\/\/www.youtube.com\/playlist?list=PL_yZedoZ_7MqFFU3keWRD0tO46uMTbvcL\" target=\"_blank\" rel=\"noopener\">Tutorial Videos<\/a><\/li>\r\n \t<li><img src=\"https:\/\/lascarelectronics.com\/intl\/wp-content\/uploads\/document-icon.png\" alt=\"Document icon\" \/><a href=\"https:\/\/lascarelectronics.com\/intl\/wp-content\/uploads\/Declaration-of-Conformity_EasyLog_iss4-Indonesia.pdf\" target=\"_blank\" rel=\"noopener\">Declaration of Conformity<\/a><\/li>\r\n<\/ul>\r\n<a class=\"button button-secondary\" href=\"https:\/\/lascarelectronics.com\/intl\/support\/\">More support<\/a>"],"applications":[""],"accessories":["[products skus=\"BAT 3V6 1\/2AA,USB-CAP-4-20\"]"],"calibration":[""],"rank_math_seo_score":["86"],"_thumbnail_id":["9339"],"commercekit_gallery_layout":[""],"commercekit_disable_sticky_atc":["0"],"commercekit_wc_video_gallery":["a:0:{}"],"_uk_sale_price_dates":["default"],"_uk_sale_price_dates_from":[""],"_uk_sale_price_dates_to":[""],"_asia_sale_price_dates":["default"],"_asia_sale_price_dates_from":[""],"_asia_sale_price_dates_to":[""],"_product_image_gallery":["9347,9346,9345"],"product_countries":[""],"_product_countries":["field_65082f3a5833a"],"connectivity":["WiFi"],"_connectivity":["field_64dce263bb57c"],"brand":["EasyLog"],"_brand":["field_64ddf62ed2593"],"_specifications_table":["field_65044e1db92a8"],"_resources":["field_650849c6945ee"],"_calibration":["field_64dcf167cac19"],"_applications":["field_650849d1945ef"],"_accessories":["field_6754b7e34fcbb"],"faqs":["[accordion]\r\n[accordion_header]Why aren't my batteries working?[\/accordion_header]\r\n[accordion_section]If left unused for extended periods of time lithium metal batteries, including those used in the EasyLog range of data loggers, naturally form a non-conductive internal layer - a Passivation layer - preventing them from self-discharge and effectively increasing their shelf life. When first installed in the data logger, this may cause a momentary drop in the battery voltage (the Transient Minimum Voltage) as the internal layer is broken down, resulting in the data logger resetting. Inserting the batteries in the data logger and leaving it connected to a PC for about 30 seconds will remove this layer. After this, remove and re-install the batteries to reset the data logger. Overall battery life will not be affected.[\/accordion_section]\r\n[\/accordion]\r\n\r\n[accordion]\r\n[accordion_header]How often should I send my data logger for recalibration?[\/accordion_header]\r\n[accordion_section]We recommend recalibration on an annual basis, however your procedures may require something different to this. You can contact us for any information on the <a href=\"\/services\/\">calibration services<\/a> we can offer.[\/accordion_section]\r\n[\/accordion]\r\n\r\n<a class=\"button button-orange\" href=\"\/support\/el-usb-data-loggers\/\">More Support<\/a>"],"_faqs":["field_650859523d8d5"],"product_schema":["{\r\n  \"@context\": \"http:\/\/schema.org\",\r\n  \"@type\": \"Product\",\r\n  \"name\": \"EL-USB-4\",\r\n  \"image\": [\r\n    \"https:\/\/img.youtube.com\/vi\/xqhi8c25ztw\/mqdefault.jpg\",\r\n    \"https:\/\/www.lascarelectronics.com\/media\/5217\/easylog-data-logger-el-usb-4-angle-lid-off-2.jpg?anchor=center&amp;mode=crop&amp;quality=70&amp;width=200\",\r\n    \"https:\/\/www.lascarelectronics.com\/media\/5218\/easylog-data-logger-el-usb-4-angle-lid-on.jpg?anchor=center&amp;mode=crop&amp;quality=70&amp;width=800&amp;height=462\"\r\n  ],\r\n  \"description\": \"This standalone data logger measures more than 32,000 readings over a 4-20mA d.c. measurement range. The data logger is supplied with a cap featuring a pair of screw terminals and measurement leads terminating in crocodile clips. Easily set up the logger and view downloaded data by plugging the unit into a PC\u2019s USB port and using the free EasyLog software provided. Data can then be graphed, printed and exported to other applications for detailed analysis. Supplied with \u00bd AA battery and wall mount clip.\",\r\n  \"brand\": {\r\n    \"@type\": \"Brand\",\r\n    \"name\": \"EasyLog\",\r\n    \"logo\": \"https:\/\/www.lascarelectronics.com\/media\/4082\/el-logo_white_product_application-only_colour_cube_blue_text.png?mode=max&amp;quality=70&amp;width=200&amp;height=75\"\r\n  },\r\n  \"offers\": {\r\n    \"@type\": \"Offer\",\r\n    \"price\": \"$103.49\"\r\n  }\r\n}\r\n"],"_product_schema":["field_650326fde47ec"],"shoptimizer_layout_pdp_short_description_position":["default"],"rank_math_title":["EL-USB-4 | 4-20mA Data Logger | EasyLog | Lascar Electronics"],"product_datasheet":["10294"],"_product_datasheet":["field_650ad7d6ea3a0"],"commercekit_disable_inventory":["0"],"rank_math_primary_product_cat":["0"],"brand_image":["10467"],"_brand_image":["field_650c5e7c84cae"],"your_custom_field":["<p>&nbsp;<\/p>\n<ul class=\"resources-list\">\n<li><img src=\"..\/wp-content\/uploads\/document-icon.png\" alt=\"Document icon\" \/><a class=\"sidebar-box__list-item-actual appInfoLink\" href=\"\/media\/7277\/easylog-data-logger-el-usb-4-iss19_02-21.pdf\" target=\"_blank\" rel=\"noopener\">EL-USB-4 Datasheet<\/a><\/li>\n<li><img src=\"..\/wp-content\/uploads\/software-icon.png\" alt=\"Software icon\" \/><a class=\"sidebar-box__list-item-actual softwareLink\" href=\"\/software\/easylog-software\/easylog-usb\/\">EasyLog USB Software<\/a><\/li>\n<li><img src=\"..\/wp-content\/uploads\/document-icon.png\" alt=\"Document icon\" \/><br \/>\n<a class=\"\" href=\"\/media\/4018\/easylog-usb_quick-start-guide_iss12_singlepage-05_2018.pdf\" target=\"_blank\" rel=\"noopener\">EasyLog USB Quick Start Guide<\/a><\/li>\n<li><img src=\"..\/wp-content\/uploads\/document-icon.png\" alt=\"Document icon\" \/><br \/>\n<a class=\"\" href=\"\/media\/8204\/el-usb-range-includes-el-gfx-range-troubleshooting.pdf\" target=\"_blank\" rel=\"noopener\">EL-USB Range Troubleshooting<\/a><\/li>\n<li><img src=\"..\/wp-content\/uploads\/video-icon.png\" alt=\"Video icon\" \/><br \/>\n<a class=\"sidebar-box__list-item-actual appInfoLink\" href=\"https:\/\/www.youtube.com\/playlist?list=PL_yZedoZ_7MqFFU3keWRD0tO46uMTbvcL\" target=\"_blank\" rel=\"noopener\">Tutorial Videos<\/a><\/li>\n<li><img src=\"..\/wp-content\/uploads\/document-icon.png\" alt=\"Document icon\" \/><a class=\"sidebar-box__list-item-actual formalDecLink\" href=\"\/media\/7228\/declaration-of-conformity_easylog_iss25.pdf\" target=\"_blank\" rel=\"noopener\">EL-USB-4 Declaration of Conformity<\/a><\/li>\n<\/ul>\n<p><a class=\"btn btn--primary\" href=\"\/support\/\">More 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