{"id":6345,"date":"2026-07-17T16:49:14","date_gmt":"2026-07-17T16:49:14","guid":{"rendered":"https:\/\/europascal.de\/product\/additel-adt-875-155\/"},"modified":"2026-09-22T10:42:04","modified_gmt":"2026-09-22T10:42:04","slug":"additel-adt-875-155","status":"publish","type":"product","link":"https:\/\/europascal.de\/en\/product\/additel-adt-875-155\/","title":{"rendered":"Additel ADT 875-155 Precise Dry Well Calibrator"},"content":{"rendered":"<p class=\"isSelectedEnd\"><strong>Additel ADT 875-155<\/strong> is a precise dry well calibrator designed for professional temperature calibration from <strong>\u221240 \u00b0C to 155 \u00b0C<\/strong>. Its ability to generate temperatures significantly below ambient temperature makes this compact instrument particularly suitable for calibrating temperature sensors, resistance thermometers, PRTs, RTDs and thermocouples in calibration laboratories, quality assurance, maintenance and industrial applications.<\/p>\n<p class=\"isSelectedEnd\">The <strong>Additel ADT 875-155<\/strong> combines a stable temperature source with modern operation and excellent flexibility. A large 6.5 inch color touchscreen provides clear control of the calibrator and convenient adjustment of the required calibration points. Interchangeable inserts allow the dry well to accommodate different probe diameters.<\/p>\n<p class=\"isSelectedEnd\">A particular advantage of the ADT 875-155 is its negative temperature range. While many conventional dry well calibrators operate only at ambient temperature or above, the ADT 875-155 reaches temperatures down to <strong>\u221240 \u00b0C<\/strong>. This enables both negative and positive calibration points up to 155 \u00b0C to be generated with a single compact instrument.<\/p>\n<p class=\"isSelectedEnd\">At <strong>europascal<\/strong>, you can obtain the <strong>Additel ADT 875-155<\/strong> together with expert advice on selecting the appropriate configuration, inserts and options for your individual temperature calibration requirements.<\/p>\n<h2>Your Benefits at a Glance<\/h2>\n<ul data-spread=\"false\">\n<li>Temperature range from \u221240 \u00b0C to 155 \u00b0C<\/li>\n<li>Negative and positive calibration temperatures with one instrument<\/li>\n<li>High temperature stability for precise comparison calibrations<\/li>\n<li>Good axial and radial temperature uniformity<\/li>\n<li>Temperature resolution of 0.01 \u00b0C<\/li>\n<li>Compact design for laboratory and mobile applications<\/li>\n<li>Interchangeable inserts for different probe diameters<\/li>\n<li>6.5 inch color touchscreen<\/li>\n<li>Temperature display in \u00b0C, \u00b0F and K<\/li>\n<li>USB interfaces<\/li>\n<li>LAN via RJ45<\/li>\n<li>WiFi and Bluetooth<\/li>\n<li>Automatic step and ramp functions<\/li>\n<li>Optional Process Calibrator configuration<\/li>\n<li>PRT and RTD measurement with Process Calibrator option<\/li>\n<li>Measurement of various thermocouple types<\/li>\n<li>Temperature switch testing<\/li>\n<li>Temperature transmitter testing<\/li>\n<li>HART communication with corresponding option<\/li>\n<li>Calibration task documentation with Process Calibrator option<\/li>\n<li>Self calibration function<\/li>\n<li>Different ADT 110 inserts available<\/li>\n<li>ADT 110 Short Probe Temperature Calibration Kit available<\/li>\n<li>Additional temperature ranges within the ADT 875 series<\/li>\n<\/ul>\n<h2>Ideal for Demanding Calibration Applications<\/h2>\n<p class=\"isSelectedEnd\">The <strong>Additel ADT 875-155<\/strong> was developed for applications requiring a reliable and reproducible temperature source at low and medium temperatures. Its operating range from \u221240 \u00b0C to 155 \u00b0C is particularly useful for applications requiring calibration points below ambient temperature.<\/p>\n<p class=\"isSelectedEnd\">Typical applications include:<\/p>\n<ul data-spread=\"false\">\n<li>Calibration laboratories<\/li>\n<li>DAkkS accredited calibration laboratories<\/li>\n<li>In house calibration laboratories<\/li>\n<li>Quality assurance<\/li>\n<li>Maintenance and service<\/li>\n<li>Research and development<\/li>\n<li>Pharmaceutical industry<\/li>\n<li>Food industry<\/li>\n<li>Energy supply<\/li>\n<li>Process industries<\/li>\n<li>Mechanical and plant engineering<\/li>\n<li>Production and manufacturing testing<\/li>\n<li>Temperature sensor manufacturers<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">The ADT 875-155 enables different temperature probes to be tested and calibrated under controlled conditions. These include resistance thermometers, PRTs, RTDs and thermocouples.<\/p>\n<p class=\"isSelectedEnd\">The range below ambient temperature is particularly relevant for numerous applications. Typical examples include temperature probes used in refrigeration processes, climate control systems, food applications and industrial processes. The ADT 875-155 enables corresponding calibration points without requiring a separate liquid bath.<\/p>\n<p class=\"isSelectedEnd\">For regular verification of your temperature measuring equipment, europascal also provides a professional <a href=\"https:\/\/europascal.de\/en\/calibration-services\/\">Calibration Service for temperature and other measurement quantities<\/a>.<\/p>\n<h2>Flexible Configuration<\/h2>\n<p class=\"isSelectedEnd\">The <strong>Additel ADT 875-155<\/strong> can be adapted to different probe diameters and calibration applications using interchangeable inserts. Reference probes and devices under test can therefore be appropriately positioned inside the dry well.<\/p>\n<p class=\"isSelectedEnd\">Additel offers these inserts under the <strong>ADT 110<\/strong> accessory designation. Different bore configurations allow the calibrator to accommodate various sensor diameters. This is particularly useful for calibration laboratories that regularly work with temperature probes from different manufacturers and with different mechanical designs.<\/p>\n<p class=\"isSelectedEnd\">For short temperature probes, Additel also provides a dedicated <strong>ADT 110 Short Probe Temperature Calibration Kit<\/strong>. This accessory is designed for applications where conventional temperature probes are difficult to calibrate in a standard dry well due to their limited immersion depth. The kit combines suitable inserts with a short secondary reference probe and therefore expands the application range of the ADT 875-155.<\/p>\n<p class=\"isSelectedEnd\">Another expansion option is the <strong>ADT 875PC Process Calibrator<\/strong> configuration. It combines the stable temperature source with additional electrical measurement functions. Reference probes and devices under test can therefore be connected directly to the calibrator and evaluated.<\/p>\n<p class=\"isSelectedEnd\">The Process Calibrator option supports PRT and RTD sensors as well as various thermocouple types. Current and voltage can also be measured, temperature switches can be tested and suitable transmitters can be supplied with 24 V DC.<\/p>\n<p class=\"isSelectedEnd\">With the appropriate option, <strong>HART communication<\/strong> is also available for compatible intelligent temperature transmitters. Documentation functions support structured calibration procedures and simplify the management of calibration results.<\/p>\n<h2>Technical Highlights<\/h2>\n<ul data-spread=\"false\">\n<li>Temperature range: \u221240 \u00b0C to 155 \u00b0C<\/li>\n<li>Temperature resolution: 0.01 \u00b0C<\/li>\n<li>Optimized for low temperature applications<\/li>\n<li>Calibration points below ambient temperature<\/li>\n<li>Good axial and radial temperature uniformity<\/li>\n<li>Interchangeable ADT 110 inserts<\/li>\n<li>Different insert bore configurations available<\/li>\n<li>ADT 110 Short Probe Calibration Kit available<\/li>\n<li>6.5 inch color touchscreen<\/li>\n<li>Temperature units: \u00b0C, \u00b0F and K<\/li>\n<li>USB interfaces<\/li>\n<li>LAN via RJ45<\/li>\n<li>WiFi<\/li>\n<li>Bluetooth<\/li>\n<li>Automatic step functions<\/li>\n<li>Ramp functions for defined temperature changes<\/li>\n<li>Optional Process Calibrator<\/li>\n<li>PRT and RTD measurement with Process Calibrator option<\/li>\n<li>Thermocouple measurement with Process Calibrator option<\/li>\n<li>Temperature switch testing<\/li>\n<li>Temperature transmitter testing<\/li>\n<li>Optional HART communication<\/li>\n<li>Calibration task documentation<\/li>\n<li>Self calibration function<\/li>\n<\/ul>\n<h2>Technical Specifications<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Feature<\/th>\n<th>Specification<\/th>\n<\/tr>\n<tr>\n<td>Manufacturer<\/td>\n<td>Additel<\/td>\n<\/tr>\n<tr>\n<td>Model<\/td>\n<td>ADT 875-155<\/td>\n<\/tr>\n<tr>\n<td>Device type<\/td>\n<td>Dry Well Calibrator<\/td>\n<\/tr>\n<tr>\n<td>Temperature range<\/td>\n<td>\u221240 \u00b0C to 155 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Temperature resolution<\/td>\n<td>0.01 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Display<\/td>\n<td>6.5 inch color touchscreen<\/td>\n<\/tr>\n<tr>\n<td>Temperature units<\/td>\n<td>\u00b0C, \u00b0F and K<\/td>\n<\/tr>\n<tr>\n<td>Inserts<\/td>\n<td>Interchangeable<\/td>\n<\/tr>\n<tr>\n<td>Insert accessories<\/td>\n<td>Additel ADT 110<\/td>\n<\/tr>\n<tr>\n<td>Short Probe Kit<\/td>\n<td>ADT 110 Short Probe Temperature Calibration Kit available<\/td>\n<\/tr>\n<tr>\n<td>Interfaces<\/td>\n<td>USB, LAN, WiFi, Bluetooth<\/td>\n<\/tr>\n<tr>\n<td>Process Calibrator<\/td>\n<td>Optional<\/td>\n<\/tr>\n<tr>\n<td>PRT and RTD measurement<\/td>\n<td>With Process Calibrator option<\/td>\n<\/tr>\n<tr>\n<td>Thermocouple measurement<\/td>\n<td>With Process Calibrator option<\/td>\n<\/tr>\n<tr>\n<td>HART communication<\/td>\n<td>Optional<\/td>\n<\/tr>\n<tr>\n<td>Temperature switch testing<\/td>\n<td>With Process Calibrator option<\/td>\n<\/tr>\n<tr>\n<td>Temperature transmitter testing<\/td>\n<td>With Process Calibrator option<\/td>\n<\/tr>\n<tr>\n<td>Design<\/td>\n<td>Compact dry well calibrator<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Why Choose the Additel ADT 875-155?<\/h2>\n<p class=\"isSelectedEnd\">The <strong>Additel ADT 875-155<\/strong> provides an attractive combination of a negative temperature range, compact design and flexible expansion options. Its range from \u221240 \u00b0C to 155 \u00b0C covers numerous typical calibration points in industry, laboratories, food technology, pharmaceuticals and quality assurance.<\/p>\n<p class=\"isSelectedEnd\">A major advantage compared with heating-only calibrators is the ability to generate temperatures significantly below ambient temperature. Sensors used in refrigeration systems and temperature controlled processes can therefore be tested without necessarily requiring a separate liquid calibration bath for negative temperature points.<\/p>\n<p class=\"isSelectedEnd\">Interchangeable inserts enable the ADT 875-155 to accommodate different probe diameters. This provides excellent flexibility, particularly in calibration laboratories handling sensors from various manufacturers and with different designs.<\/p>\n<p class=\"isSelectedEnd\">The <strong>Additel ADT 110 accessories<\/strong> further expand the application range. Of particular interest is the Short Probe Temperature Calibration Kit for short probes. This configuration enables sensors with limited probe length or immersion depth to be considered in dry well calibration applications.<\/p>\n<p class=\"isSelectedEnd\">The 6.5 inch color touchscreen supports convenient operation in everyday use. Modern USB, LAN, WiFi and Bluetooth communication capabilities also simplify integration into digital laboratory environments.<\/p>\n<p class=\"isSelectedEnd\">Users requiring additional measurement and documentation functions can configure the ADT 875 as a Process Calibrator version. This creates a comprehensive calibration solution that not only generates a stable temperature but can also measure electrical output signals from different devices under test.<\/p>\n<h2>Additional Models in the Additel ADT 875 Series<\/h2>\n<p class=\"isSelectedEnd\">The <strong>Additel ADT 875-155<\/strong> is the low temperature model within the ADT 875 series. Additel provides additional versions for applications at higher temperatures.<\/p>\n<p class=\"isSelectedEnd\">For applications from <strong>33 \u00b0C to 350 \u00b0C<\/strong>, the <a href=\"https:\/\/europascal.de\/produkt\/additel-adt-875-350\/\">Additel ADT 875-350<\/a> is available. This model is particularly suitable for users whose typical calibration points are within the positive low and medium temperature range.<\/p>\n<p class=\"isSelectedEnd\">For a wider temperature range, the <a href=\"https:\/\/europascal.de\/produkt\/additel-adt-875-660\/\">Additel ADT 875-660<\/a> extends the operating range up to <strong>660 \u00b0C<\/strong> and is suitable for numerous industrial high temperature applications.<\/p>\n<p class=\"isSelectedEnd\">For particularly high temperatures, Additel also offers the <a href=\"https:\/\/europascal.de\/en\/product\/additel-adt-875-1210\/\">Additel ADT 875-1210<\/a>. This high temperature calibration furnace covers temperatures up to <strong>1,210 \u00b0C<\/strong> and is particularly designed for thermocouple calibration at elevated temperatures.<\/p>\n<p class=\"isSelectedEnd\">The Additel ADT 875 series therefore provides a comprehensive temperature calibration portfolio ranging from the <strong>ADT 875-155<\/strong> for low temperatures through the ADT 875-350 and ADT 875-660 to the ADT 875-1210 for high temperature applications.<\/p>\n<p class=\"isSelectedEnd\">europascal can assist you in selecting the appropriate version based on your required temperature range, sensor types and target measurement uncertainty.<\/p>\n<h2>Typical Calibration Applications with the Additel ADT 875-155<\/h2>\n<p class=\"isSelectedEnd\">The <strong>Additel ADT 875-155<\/strong> is particularly suitable for comparison calibration of temperature sensors from \u221240 \u00b0C to 155 \u00b0C. Typical devices under test include resistance thermometers, PRTs, RTDs and thermocouples.<\/p>\n<p class=\"isSelectedEnd\">During a typical comparison calibration, the reference probe and device under test are positioned in an appropriate insert. The required calibration temperature is then set. Once stable thermal conditions have been reached, the readings of the reference and device under test can be compared and the deviations documented.<\/p>\n<p class=\"isSelectedEnd\">For short sensors, the <strong>Additel ADT 110 Short Probe Temperature Calibration Kit<\/strong> provides a useful expansion option. Its configuration is specifically designed for short probes and therefore extends the application range of the dry well calibrator.<\/p>\n<p class=\"isSelectedEnd\">With the optional Process Calibrator configuration, additional devices such as temperature switches and temperature transmitters can be integrated into the calibration procedure. Optional HART communication also enables operation with compatible intelligent transmitters.<\/p>\n<p class=\"isSelectedEnd\">For higher temperatures, the europascal portfolio includes the <a href=\"https:\/\/europascal.de\/produkt\/additel-adt-875-350\/\">Additel ADT 875-350<\/a>, the <a href=\"https:\/\/europascal.de\/produkt\/additel-adt-875-660\/\">Additel ADT 875-660<\/a> and the <a href=\"https:\/\/europascal.de\/en\/product\/additel-adt-875-1210\/\">Additel ADT 875-1210<\/a> for high temperature applications.<\/p>\n<p class=\"isSelectedEnd\">Additional solutions for professional temperature calibration are available from europascal in the <a href=\"\/?product_cat=dry-well-calibrators\">Dry Well Calibrators<\/a> category.<\/p>\n<p class=\"isSelectedEnd\"><a href=\"https:\/\/europascal.de\/en\/brand\/additel\/\">Discover more Additel products here.<\/a><\/p>\n<p>Manufacturer information about the <strong>Additel ADT 875-155<\/strong> is available on the <a href=\"https:\/\/www.additel.com\/\" target=\"_blank\" rel=\"noopener\">official Additel website<\/a>.<\/p>\n<p><a class=\"download-datasheet\" href=\"#\" data-pdf=\"https:\/\/europascal.de\/wp-content\/uploads\/2026\/07\/Additel-ADT-875-Dry-Well-Calibrators-20260112.pdf\"> <span style=\"color: #0000ff;\"><strong><em>Download Datasheet<\/em><\/strong><\/span> <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The <strong>Additel ADT 875-155<\/strong> is a precise dry well calibrator for professional temperature calibration from <strong>\u221240 \u00b0C to 155 \u00b0C<\/strong>. Its wide range covers both negative and positive calibration temperatures with a single compact instrument. A 6.5 inch color touchscreen, interchangeable ADT 110 inserts, modern communication interfaces and an optional Process Calibrator configuration make the ADT 875-155 ideal for laboratories, quality assurance, service and industrial temperature calibration.<\/p>\n","protected":false},"featured_media":3409,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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