{"id":6581,"date":"2026-07-17T15:49:08","date_gmt":"2026-07-17T15:49:08","guid":{"rendered":"https:\/\/europascal.de\/product\/additel-adt-158ex\/"},"modified":"2026-09-29T11:49:10","modified_gmt":"2026-09-29T11:49:10","slug":"additel-adt-158ex","status":"publish","type":"product","link":"https:\/\/europascal.de\/en\/product\/additel-adt-158ex\/","title":{"rendered":"Additel ADT 158Ex Intrinsically Safe Pressure Module"},"content":{"rendered":"<p><strong>Additel ADT 158Ex<\/strong> is an intrinsically safe intelligent digital pressure module designed for accurate pressure measurement and calibration in hazardous environments. With pressure ranges extending up to <strong>60,000 psi \/ 4,200 bar<\/strong>, advanced temperature compensation and measurement accuracy down to <strong>0.02% FS<\/strong> for many ranges, the Additel ADT 158Ex provides a robust and flexible solution for pressure calibration in the field, process industry and professional calibration laboratories.<\/p>\n<p>The <strong>Additel ADT 158Ex<\/strong> is specifically designed as a field-switchable pressure module for compatible intrinsically safe Additel instruments, including the <strong>Additel ADT 260Ex<\/strong> and <strong>Additel ADT 273Ex<\/strong>. Combined with these platforms, the module provides accurate pressure measurement for applications where explosion protection and reliable metrological performance are essential.<\/p>\n<p>Additel uses advanced microprocessor technology and carefully selected pressure sensors to provide stable and reliable pressure measurement. Each pressure module is individually characterized and temperature compensated to maintain its specified performance across a broad operating temperature range.<\/p>\n<p>Every Additel ADT 158Ex is supplied with an <strong>ISO\/IEC 17025 accredited calibration certificate including calibration data<\/strong>, providing an excellent basis for traceable pressure measurement in professional calibration applications.<\/p>\n<p>At <strong>europascal<\/strong>, we provide Additel pressure calibration equipment for laboratory, field and hazardous-area applications. For professional calibration and metrological traceability of pressure modules and pressure measuring instruments, visit the <a href=\"https:\/\/europascal.de\/en\/calibration-services\/\">europascal Calibration Service<\/a>.<\/p>\n<h2>Your Benefits at a Glance<\/h2>\n<p>The <strong>Additel ADT 158Ex<\/strong> combines intrinsically safe operation, modular flexibility and an exceptionally broad pressure range.<\/p>\n<p>Key benefits include:<\/p>\n<ul>\n<li>Intrinsically safe intelligent digital pressure module<\/li>\n<li>Pressure ranges up to 60,000 psi \/ 4,200 bar<\/li>\n<li>Accuracy down to 0.02% FS for many pressure ranges<\/li>\n<li>Gauge pressure measurement<\/li>\n<li>Compound pressure measurement<\/li>\n<li>Vacuum measurement<\/li>\n<li>High-pressure versions available<\/li>\n<li>Suitable for gas and, depending on the range, liquid media<\/li>\n<li>Advanced temperature compensation<\/li>\n<li>Specified performance from -10 \u00b0C to 50 \u00b0C<\/li>\n<li>Field-switchable modular design<\/li>\n<li>Compatible with Additel ADT 260Ex<\/li>\n<li>Compatible with Additel ADT 273Ex<\/li>\n<li>Designed for hazardous environments<\/li>\n<li>Robust stainless-steel enclosure<\/li>\n<li>Multiple pressure connection options<\/li>\n<li>Compact construction<\/li>\n<li>ISO\/IEC 17025 accredited calibration certificate included<\/li>\n<li>Calibration data included<\/li>\n<li>Ideal for field pressure calibration<\/li>\n<\/ul>\n<h2>Pressure Ranges up to 4,200 bar<\/h2>\n<p>The <strong>Additel ADT 158Ex<\/strong> provides an exceptionally broad selection of pressure ranges.<\/p>\n<p>The current product family extends up to:<\/p>\n<p><strong>60,000 psi \/ 4,200 bar<\/strong>.<\/p>\n<p>This makes the Additel ADT 158Ex suitable for applications ranging from vacuum and low pressure through conventional industrial pressure ranges to demanding ultra-high-pressure measurements.<\/p>\n<p>Available gauge pressure ranges include versions such as:<\/p>\n<ul>\n<li>GP10 \u2013 up to 0.7 bar<\/li>\n<li>GP100 \u2013 up to 7 bar<\/li>\n<li>GP1K \u2013 up to 70 bar<\/li>\n<li>GP3K \u2013 up to 200 bar<\/li>\n<li>GP5K \u2013 up to 350 bar<\/li>\n<li>GP10K \u2013 up to 700 bar<\/li>\n<li>GP15K \u2013 up to 1,000 bar<\/li>\n<li>GP30K \u2013 up to 2,000 bar<\/li>\n<li>GP40K \u2013 up to 2,800 bar<\/li>\n<li>GP50K \u2013 up to 3,500 bar<\/li>\n<li>GP60K \u2013 up to 4,200 bar<\/li>\n<\/ul>\n<p>This exceptionally broad range allows users to configure their intrinsically safe pressure calibration system according to the actual measurement task.<\/p>\n<h2>Intrinsically Safe Pressure Measurement<\/h2>\n<p>The <strong>Additel ADT 158Ex<\/strong> has been specifically developed for pressure measurement and calibration in hazardous environments.<\/p>\n<p>When used with compatible intrinsically safe Additel equipment, the module provides a professional solution for applications in industries where potentially explosive atmospheres may occur.<\/p>\n<p>Typical applications include:<\/p>\n<ul>\n<li>Oil and gas<\/li>\n<li>Petrochemical industry<\/li>\n<li>Chemical processing<\/li>\n<li>Refineries<\/li>\n<li>Natural gas installations<\/li>\n<li>Process plants<\/li>\n<li>Energy industry<\/li>\n<li>Field maintenance<\/li>\n<li>Process instrumentation<\/li>\n<\/ul>\n<p>The intrinsically safe concept allows technicians to perform pressure measurement and calibration tasks using equipment specifically designed for these demanding environments.<\/p>\n<h2>Additel ADT 273Ex Compatibility<\/h2>\n<p>The <strong>Additel ADT 158Ex<\/strong> is designed for field-switchable use with the <strong>Additel ADT 273Ex Handheld Pressure Calibrator<\/strong>.<\/p>\n<p>The Additel ADT 273Ex provides a versatile platform for professional field calibration and can combine pressure measurement with electrical measurement and process calibration functions.<\/p>\n<p>An Additel ADT 158Ex can be installed as the field-switchable pressure module, while additional external pressure modules can further extend the available pressure measurement capabilities.<\/p>\n<p>This combination provides a powerful portable solution for calibration of pressure gauges, sensors, transmitters and switches in demanding industrial environments.<\/p>\n<h2>Additel ADT 260Ex Compatibility<\/h2>\n<p>The <strong>Additel ADT 158Ex<\/strong> is also designed for use with the <strong>Additel ADT 260Ex Multichannel Reference Recorder<\/strong>.<\/p>\n<p>This combination is particularly suitable when several measurement parameters need to be recorded simultaneously.<\/p>\n<p>Depending on the configuration, pressure, temperature and electrical signals can be incorporated into one portable reference measurement system.<\/p>\n<p>The modular design enables users to adapt the instrument to changing calibration requirements without replacing the complete measurement platform.<\/p>\n<h2>Field-Switchable Design<\/h2>\n<p>One of the major advantages of the <strong>Additel ADT 158Ex<\/strong> is its field-switchable construction.<\/p>\n<p>Instead of purchasing a separate complete calibrator for every pressure range, the appropriate Additel ADT 158Ex module can be selected according to the required workload.<\/p>\n<p>Different modules can be used for:<\/p>\n<ul>\n<li>Vacuum measurement<\/li>\n<li>Low-pressure calibration<\/li>\n<li>Medium-pressure calibration<\/li>\n<li>High-pressure calibration<\/li>\n<li>Compound pressure measurement<\/li>\n<\/ul>\n<p>This modular concept increases flexibility and can reduce the number of complete instruments required in a calibration department.<\/p>\n<h2>Gauge Pressure Measurement<\/h2>\n<p>The <strong>Additel ADT 158Ex<\/strong> family includes a wide selection of gauge pressure ranges.<\/p>\n<p>At the upper end, the product family extends to:<\/p>\n<p><strong>60,000 psi \/ 4,200 bar<\/strong>.<\/p>\n<p>This exceptionally high maximum pressure enables the modular system to support applications far beyond conventional process pressure ranges.<\/p>\n<p>The exact accuracy, overpressure capability, pressure connection and permissible pressure medium depend on the selected module.<\/p>\n<h2>Compound Pressure Measurement<\/h2>\n<p>The Additel ADT 158Ex is also available in compound pressure configurations.<\/p>\n<p>Compound pressure modules combine negative and positive gauge pressure within a single measuring range.<\/p>\n<p>Available configurations include ranges extending from vacuum into several hundred bar of positive pressure.<\/p>\n<p>These modules are particularly useful for process calibration applications where instruments operate both below and above atmospheric pressure.<\/p>\n<h2>Accuracy Down to 0.02% FS<\/h2>\n<p>The <strong>Additel ADT 158Ex<\/strong> provides pressure measurement accuracy down to:<\/p>\n<p><strong>0.02% FS<\/strong><\/p>\n<p>for many of its available pressure ranges.<\/p>\n<p>The exact accuracy depends on the selected module.<\/p>\n<p>For example, many ranges up to approximately 700 bar provide an accuracy specification of 0.02% FS, while some higher-pressure versions have different accuracy specifications.<\/p>\n<p>This distinction is important when selecting an Additel ADT 158Ex for a specific calibration task.<\/p>\n<p>The measurement uncertainty requirements of the application should always be compared with the specification of the selected pressure range.<\/p>\n<h2>Advanced Temperature Compensation<\/h2>\n<p>Pressure sensors are affected by ambient temperature, especially when used outside a controlled calibration laboratory.<\/p>\n<p>The <strong>Additel ADT 158Ex<\/strong> therefore incorporates advanced temperature compensation.<\/p>\n<p>Specified measurement performance is available across a temperature range of:<\/p>\n<p><strong>-10 \u00b0C to 50 \u00b0C<\/strong>.<\/p>\n<p>This wide compensated temperature range is particularly valuable for field calibration where environmental conditions can vary significantly during the working day.<\/p>\n<h2>Gas and Liquid Pressure Media<\/h2>\n<p>The permissible pressure medium depends on the selected Additel ADT 158Ex module.<\/p>\n<p>Depending on the pressure range, modules are available for:<\/p>\n<p><strong>Gas<\/strong><\/p>\n<p>or:<\/p>\n<p><strong>Gas and liquid<\/strong>.<\/p>\n<p>This enables the product family to cover a wide variety of pneumatic and hydraulic pressure calibration applications.<\/p>\n<p>The compatibility of the selected pressure module with the intended medium must always be verified before use.<\/p>\n<h2>High-Pressure Measurement<\/h2>\n<p>The <strong>Additel ADT 158Ex<\/strong> provides an unusually broad high-pressure portfolio.<\/p>\n<p>Available high-pressure configurations extend through ranges including:<\/p>\n<ul>\n<li>1,000 bar<\/li>\n<li>1,400 bar<\/li>\n<li>1,600 bar<\/li>\n<li>2,000 bar<\/li>\n<li>2,500 bar<\/li>\n<li>2,800 bar<\/li>\n<li>3,500 bar<\/li>\n<li>4,200 bar<\/li>\n<\/ul>\n<p>The highest range therefore reaches:<\/p>\n<p><strong>60,000 psi \/ 4,200 bar<\/strong>.<\/p>\n<p>This makes the Additel ADT 158Ex particularly attractive for industries that require intrinsically safe pressure measurement at pressures far above conventional process ranges.<\/p>\n<h2>Range-Dependent Accuracy<\/h2>\n<p>The accuracy specification of the Additel ADT 158Ex depends on the selected pressure range.<\/p>\n<p>Typical examples include:<\/p>\n<table>\n<tbody>\n<tr>\n<th>Pressure range<\/th>\n<th>Accuracy<\/th>\n<\/tr>\n<tr>\n<td>Up to 700 bar<\/td>\n<td>Down to 0.02% FS<\/td>\n<\/tr>\n<tr>\n<td>1,000 to 2,800 bar<\/td>\n<td>Typically 0.05% FS<\/td>\n<\/tr>\n<tr>\n<td>3,500 to 4,200 bar<\/td>\n<td>Typically 0.1% FS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For this reason, the complete product family should not be described simply as having 0.02% FS accuracy up to 4,200 bar.<\/p>\n<p>The exact specification of the selected Additel ADT 158Ex pressure module must always be considered when evaluating the achievable measurement uncertainty.<\/p>\n<h2>Multiple Pressure Connections<\/h2>\n<p>The <strong>Additel ADT 158Ex<\/strong> can be configured with different pressure connections depending on the selected pressure range and application.<\/p>\n<p>Available connection concepts include common industrial threads as well as dedicated high-pressure fittings.<\/p>\n<p>This enables the module to be integrated into a variety of international pressure calibration systems.<\/p>\n<p>For very high-pressure versions, particular attention must be paid to the pressure rating of:<\/p>\n<ul>\n<li>Fittings<\/li>\n<li>Adapters<\/li>\n<li>Pressure tubing<\/li>\n<li>Valves<\/li>\n<li>Seals<\/li>\n<li>Pressure generators<\/li>\n<li>Devices under test<\/li>\n<\/ul>\n<p>All components must be suitable for the maximum applied pressure.<\/p>\n<h2>Robust Stainless-Steel Construction<\/h2>\n<p>The <strong>Additel ADT 158Ex<\/strong> uses a robust stainless-steel enclosure designed for professional industrial and field applications.<\/p>\n<p>The external module is compact, with dimensions of approximately:<\/p>\n<p><strong>\u00d833 \u00d7 123 mm<\/strong><\/p>\n<p>and a weight of approximately:<\/p>\n<p><strong>0.4 kg<\/strong>.<\/p>\n<p>This compact construction enables very high pressure measurement capability without requiring a large external reference instrument.<\/p>\n<h2>Environmental Specifications<\/h2>\n<p>The Additel ADT 158Ex is designed for professional field applications.<\/p>\n<p>Typical environmental specifications include:<\/p>\n<p><strong>Specified temperature range:<\/strong> -10 \u00b0C to 50 \u00b0C<\/p>\n<p><strong>Storage temperature:<\/strong> -20 \u00b0C to 70 \u00b0C<\/p>\n<p><strong>Relative humidity:<\/strong> up to 95% RH.<\/p>\n<p>Combined with a compatible intrinsically safe Additel handheld instrument, the module provides a portable pressure measurement solution for demanding industrial environments.<\/p>\n<h2>ISO\/IEC 17025 Accredited Calibration<\/h2>\n<p>Every <strong>Additel ADT 158Ex<\/strong> is supplied with an:<\/p>\n<p><strong>ISO\/IEC 17025 accredited calibration certificate<\/strong><\/p>\n<p>including:<\/p>\n<p><strong>calibration data<\/strong>.<\/p>\n<p>This provides an important basis for metrological traceability.<\/p>\n<p>For professional calibration laboratories and industrial quality management systems, the calibration documentation can be incorporated into the organization&#8217;s measurement equipment monitoring and calibration management processes.<\/p>\n<h2>Pressure Gauge Calibration<\/h2>\n<p>Combined with a compatible Additel handheld calibrator, the <strong>Additel ADT 158Ex<\/strong> can be used as the reference pressure measuring device for calibration of pressure gauges.<\/p>\n<p>A suitable pressure generator applies the required pressure to the system.<\/p>\n<p>The Additel ADT 158Ex measures the reference pressure while the indication of the device under test is recorded.<\/p>\n<p>The deviation can then be calculated as:<\/p>\n<p><strong>Deviation = DUT indication \u2013 Reference pressure<\/strong><\/p>\n<p>Measurements can be performed at several pressure points throughout the measuring range.<\/p>\n<h2>Pressure Transmitter Calibration<\/h2>\n<p>The <strong>Additel ADT 158Ex<\/strong> is particularly useful for calibration of pressure transmitters.<\/p>\n<p>A typical setup consists of:<\/p>\n<p><strong>Pressure generator \u2192 Additel ADT 158Ex \u2192 Pressure transmitter<\/strong><\/p>\n<p>The compatible handheld calibrator can simultaneously measure the transmitter&#8217;s electrical output.<\/p>\n<p>For a conventional industrial transmitter, the output may be:<\/p>\n<p><strong>4\u201320 mA<\/strong>.<\/p>\n<p>The electrical output can therefore be directly compared with the applied reference pressure.<\/p>\n<p>This creates a compact and portable pressure transmitter calibration system.<\/p>\n<h2>Pressure Sensor Calibration<\/h2>\n<p>Pressure sensors can also be calibrated using the Additel ADT 158Ex as the pressure reference.<\/p>\n<p>The pressure sensor and reference module are exposed to the same generated pressure.<\/p>\n<p>A suitable electrical measuring instrument records the output of the sensor.<\/p>\n<p>Depending on the device, typical sensor outputs may include:<\/p>\n<ul>\n<li>mV\/V<\/li>\n<li>Voltage<\/li>\n<li>Current<\/li>\n<li>Digital signals<\/li>\n<\/ul>\n<p>This allows the complete relationship between applied pressure and electrical output to be evaluated.<\/p>\n<h2>Pressure Switch Testing<\/h2>\n<p>When combined with a suitable Additel handheld instrument, the <strong>Additel ADT 158Ex<\/strong> can also support pressure switch testing.<\/p>\n<p>The pressure is increased until the switch changes state.<\/p>\n<p>The corresponding switching pressure is recorded.<\/p>\n<p>The pressure is then reduced until the switch returns to its original state.<\/p>\n<p>This enables determination of:<\/p>\n<ul>\n<li>Switching pressure<\/li>\n<li>Reset pressure<\/li>\n<li>Switching hysteresis<\/li>\n<\/ul>\n<p>This functionality is particularly useful during commissioning, preventive maintenance and troubleshooting of industrial process instrumentation.<\/p>\n<h2>Field Calibration in Hazardous Areas<\/h2>\n<p>The combination of the <strong>Additel ADT 158Ex<\/strong> with a compatible intrinsically safe handheld instrument is particularly useful for field technicians.<\/p>\n<p>Suitable calibration and verification work can be performed directly at the installation location.<\/p>\n<p>Typical tasks include:<\/p>\n<ul>\n<li>Pressure transmitter verification<\/li>\n<li>Pressure gauge calibration<\/li>\n<li>Pressure sensor testing<\/li>\n<li>Pressure switch testing<\/li>\n<li>Process instrumentation maintenance<\/li>\n<li>Commissioning<\/li>\n<li>Troubleshooting<\/li>\n<li>Preventive maintenance<\/li>\n<\/ul>\n<p>This can reduce the need to remove process instruments and transport them to a calibration laboratory.<\/p>\n<h2>Typical Applications<\/h2>\n<p>The <strong>Additel ADT 158Ex<\/strong> is suitable for:<\/p>\n<ul>\n<li>Intrinsically safe pressure measurement<\/li>\n<li>Hazardous-area pressure calibration<\/li>\n<li>Pressure gauge calibration<\/li>\n<li>Pressure transmitter calibration<\/li>\n<li>Pressure sensor calibration<\/li>\n<li>Pressure switch testing<\/li>\n<li>High-pressure measurement<\/li>\n<li>Compound pressure measurement<\/li>\n<li>Vacuum measurement<\/li>\n<li>Oil and gas applications<\/li>\n<li>Petrochemical applications<\/li>\n<li>Chemical processing<\/li>\n<li>Refinery maintenance<\/li>\n<li>Process instrumentation<\/li>\n<li>Field calibration<\/li>\n<li>Industrial maintenance<\/li>\n<li>Professional calibration laboratories<\/li>\n<\/ul>\n<h2>Technical Highlights<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Feature<\/th>\n<th>Additel ADT 158Ex<\/th>\n<\/tr>\n<tr>\n<td>Device type<\/td>\n<td>Intelligent digital pressure module<\/td>\n<\/tr>\n<tr>\n<td>Special feature<\/td>\n<td>Intrinsically safe<\/td>\n<\/tr>\n<tr>\n<td>Maximum range<\/td>\n<td>60,000 psi \/ 4,200 bar<\/td>\n<\/tr>\n<tr>\n<td>Best stated accuracy<\/td>\n<td>0.02% FS<\/td>\n<\/tr>\n<tr>\n<td>High-pressure accuracy<\/td>\n<td>Range dependent<\/td>\n<\/tr>\n<tr>\n<td>Gauge pressure<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Compound pressure<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Vacuum<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Pressure media<\/td>\n<td>Gas \/ liquid depending on range<\/td>\n<\/tr>\n<tr>\n<td>Temperature compensation<\/td>\n<td>Advanced<\/td>\n<\/tr>\n<tr>\n<td>Specified temperature range<\/td>\n<td>-10 \u00b0C to 50 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Storage temperature<\/td>\n<td>-20 \u00b0C to 70 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Relative humidity<\/td>\n<td>Up to 95% RH<\/td>\n<\/tr>\n<tr>\n<td>Enclosure<\/td>\n<td>Stainless steel<\/td>\n<\/tr>\n<tr>\n<td>Dimensions<\/td>\n<td>Approx. \u00d833 \u00d7 123 mm<\/td>\n<\/tr>\n<tr>\n<td>Weight<\/td>\n<td>Approx. 0.4 kg<\/td>\n<\/tr>\n<tr>\n<td>Compatible instruments<\/td>\n<td>Additel ADT 260Ex and ADT 273Ex<\/td>\n<\/tr>\n<tr>\n<td>Calibration certificate<\/td>\n<td>ISO\/IEC 17025 accredited<\/td>\n<\/tr>\n<tr>\n<td>Calibration data<\/td>\n<td>Included<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Additel ADT 158Ex and Additel ADT 161Ex<\/h2>\n<p>The intrinsically safe Additel platform uses complementary pressure module concepts.<\/p>\n<p>The <strong>Additel ADT 158Ex<\/strong> is designed as a field-switchable pressure module for compatible handheld instruments.<\/p>\n<p>The <strong>Additel ADT 161Ex<\/strong> provides additional external pressure measurement capability.<\/p>\n<p>For example, an Additel ADT 273Ex can combine an Additel ADT 158Ex with external Additel ADT 161Ex pressure modules.<\/p>\n<p>This modular architecture allows one handheld calibrator to support several pressure ranges and different calibration configurations.<\/p>\n<h2>Why Choose the Additel ADT 158Ex?<\/h2>\n<p>The <strong>Additel ADT 158Ex<\/strong> combines intrinsic safety, modular flexibility and an exceptionally broad pressure range in one compact digital pressure module.<\/p>\n<p>Its pressure portfolio extends from vacuum and low-pressure applications to an impressive <strong>60,000 psi \/ 4,200 bar<\/strong>. Many pressure ranges provide an accuracy of <strong>0.02% FS<\/strong>, while dedicated high-pressure versions extend the modular concept into extreme pressure applications.<\/p>\n<p>The Additel ADT 158Ex is specifically designed for field-switchable use with compatible intrinsically safe Additel instruments such as the <strong>Additel ADT 260Ex<\/strong> and <strong>Additel ADT 273Ex<\/strong>.<\/p>\n<p>Advanced temperature compensation supports reliable measurements from -10 \u00b0C to 50 \u00b0C, while the stainless-steel construction provides the robustness required for professional field applications.<\/p>\n<p>Different pressure ranges, pressure connections<\/p>\n<p><a class=\"download-datasheet\" href=\"#\" data-pdf=\"https:\/\/europascal.de\/wp-content\/uploads\/2026\/07\/Additel-ADT-158Ex-Intelligent-Digital-Pressure-Modules.pdf\"><span style=\"color: #0000ff;\"><strong><em>Download Datasheet<\/em><\/strong><\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The <strong>Additel ADT 158Ex<\/strong> is an intrinsically safe intelligent digital pressure module for professional pressure measurement and calibration in hazardous environments. Pressure ranges extend up to <strong>60,000 psi \/ 4,200 bar<\/strong>, with accuracy down to <strong>0.02% FS<\/strong>, advanced temperature compensation and field-switchable operation with compatible <strong>Additel ADT 260Ex and ADT 273Ex<\/strong> instruments. An ISO\/IEC 17025 accredited calibration certificate with calibration data is included.<\/p>\n","protected":false},"featured_media":3229,"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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