{"id":6989,"date":"2026-07-17T16:57:55","date_gmt":"2026-07-17T16:57:55","guid":{"rendered":"https:\/\/europascal.de\/product\/additel-accumac-am-1640\/"},"modified":"2026-10-14T10:56:47","modified_gmt":"2026-10-14T10:56:47","slug":"additel-accumac-am-1640","status":"publish","type":"product","link":"https:\/\/europascal.de\/en\/product\/additel-accumac-am-1640\/","title":{"rendered":"Additel AccuMac AM 1640 Precise Reference Thermometer"},"content":{"rendered":"<p>The <strong>Additel AccuMac AM 1640<\/strong> is a high-precision industrial platinum resistance thermometer designed for accurate temperature measurements and professional calibration applications.<\/p>\n<p>With a temperature range from <strong>\u2212200 \u00b0C to +420 \u00b0C<\/strong>, an accuracy better than <strong>0.035 \u00b0C at 0 \u00b0C<\/strong> and excellent short-term stability better than <strong>0.01 \u00b0C<\/strong>, the Additel AccuMac AM 1640 provides reliable performance for demanding temperature measurement applications.<\/p>\n<p>The instrument features a specially designed wire-wound platinum sensing element, a robust Inconel sheath and a four-wire connection for accurate resistance measurements.<\/p>\n<p>Its excellent mechanical stability, low hysteresis and resistance to thermal shock make it particularly suitable for calibration laboratories, industrial temperature measurement and demanding field applications.<\/p>\n<p>Each Additel AccuMac AM 1640 is supplied with an ISO\/IEC 17025 accredited calibration.<\/p>\n<p>At europascal, customers receive professional advice on temperature measurement equipment, reference thermometers and calibration solutions.<\/p>\n<h2>Your Benefits at a Glance<\/h2>\n<ul>\n<li>Temperature range from \u2212200 \u00b0C to +420 \u00b0C<\/li>\n<li>Accuracy better than 0.035 \u00b0C at 0 \u00b0C<\/li>\n<li>Short-term stability better than 0.01 \u00b0C<\/li>\n<li>Long-term drift below 0.03 \u00b0C under specified conditions<\/li>\n<li>Thermal shock effect below 0.007 \u00b0C<\/li>\n<li>Hysteresis of 0.01 \u00b0C or less<\/li>\n<li>Nominal resistance of 100 \u03a9 at 0 \u00b0C<\/li>\n<li>Temperature coefficient of 0.00385 \u03a9\/\u03a9\/\u00b0C<\/li>\n<li>High-quality wire-wound platinum sensing element<\/li>\n<li>Robust Inconel protective sheath<\/li>\n<li>Four-wire measurement connection<\/li>\n<li>Suitable for measurement currents of 0.5 mA and 1 mA<\/li>\n<li>Fast response time of approximately 5 seconds<\/li>\n<li>Excellent resistance to mechanical shock<\/li>\n<li>Two probe lengths available<\/li>\n<li>Suitable for dry block calibrators<\/li>\n<li>Suitable for liquid calibration baths<\/li>\n<li>Suitable for industrial temperature measurements<\/li>\n<li>ISO\/IEC 17025 accredited calibration included<\/li>\n<li>Professional calibration support from europascal<\/li>\n<\/ul>\n<h2>Ideal for Demanding Calibration Applications<\/h2>\n<p>The Additel AccuMac AM 1640 was developed for applications requiring precise and reproducible temperature measurements.<\/p>\n<p>It is particularly suitable for use as a reference thermometer in temperature calibration systems.<\/p>\n<p>A typical calibration setup consists of a stable temperature source, a calibrated reference thermometer and a device under test.<\/p>\n<p>The AM 1640 is inserted into a suitable dry block calibrator or liquid calibration bath together with the temperature sensor being calibrated.<\/p>\n<p>A compatible precision thermometer readout measures the resistance of the AM 1640 and calculates the corresponding reference temperature.<\/p>\n<p>The indication of the device under test can then be compared with this reference temperature.<\/p>\n<p>This method allows accurate comparison calibrations of industrial temperature sensors.<\/p>\n<p>The AM 1640 is also suitable for temperature measurements in industrial processes where excellent stability and reproducibility are required.<\/p>\n<h2>Wide Temperature Range from \u2212200 \u00b0C to +420 \u00b0C<\/h2>\n<p>The Additel AccuMac AM 1640 provides a wide temperature measurement range:<\/p>\n<p><strong>\u2212200 \u00b0C to +420 \u00b0C<\/strong><\/p>\n<p>This makes the reference thermometer suitable for both low-temperature and elevated-temperature applications.<\/p>\n<p>Typical measurement and calibration temperatures include:<\/p>\n<ul>\n<li>\u2212196 \u00b0C<\/li>\n<li>\u2212100 \u00b0C<\/li>\n<li>\u221280 \u00b0C<\/li>\n<li>\u221240 \u00b0C<\/li>\n<li>0 \u00b0C<\/li>\n<li>+50 \u00b0C<\/li>\n<li>+100 \u00b0C<\/li>\n<li>+200 \u00b0C<\/li>\n<li>+300 \u00b0C<\/li>\n<li>+420 \u00b0C<\/li>\n<\/ul>\n<p>The wide temperature range allows the AM 1640 to be used in various calibration systems.<\/p>\n<p>Typical temperature sources include liquid baths, dry block calibrators and other suitable temperature-controlled environments.<\/p>\n<p>The maximum operating temperature of the AM 1640 is +420 \u00b0C.<\/p>\n<p>For applications requiring temperatures up to +670 \u00b0C, Additel offers the AccuMac AM 1660.<\/p>\n<h2>High Accuracy Better Than 0.035 \u00b0C<\/h2>\n<p>The Additel AccuMac AM 1640 provides excellent temperature measurement accuracy.<\/p>\n<p>The manufacturer specifies:<\/p>\n<p><strong>Accuracy: &lt;0.035 \u00b0C at 0 \u00b0C<\/strong><\/p>\n<p>This specification describes the performance of the platinum resistance thermometer under the manufacturer&#8217;s defined conditions.<\/p>\n<p>It is important to distinguish between sensor accuracy, calibration uncertainty and the accuracy of the complete measurement system.<\/p>\n<p>The overall measurement uncertainty also depends on the connected thermometer readout, the calibration coefficients and the measurement conditions.<\/p>\n<p>For high-accuracy applications, the AM 1640 should be used with a suitable precision resistance thermometer readout.<\/p>\n<h2>Excellent Short-Term Stability<\/h2>\n<p>The Additel AccuMac AM 1640 features excellent short-term stability.<\/p>\n<p>The manufacturer specifies:<\/p>\n<p><strong>Short-term stability: &lt;0.01 \u00b0C<\/strong><\/p>\n<p>High short-term stability is essential for reliable comparison calibrations.<\/p>\n<p>During a calibration procedure, the reference thermometer should provide consistent readings under stable temperature conditions.<\/p>\n<p>Low short-term variations help reduce the uncertainty contribution associated with the reference sensor.<\/p>\n<p>This makes the AM 1640 suitable for professional temperature calibration laboratories and industrial calibration applications.<\/p>\n<h2>Low Long-Term Drift<\/h2>\n<p>The Additel AccuMac AM 1640 is designed for excellent long-term stability.<\/p>\n<p>The manufacturer specifies a long-term drift of:<\/p>\n<p><strong>&lt;0.03 \u00b0C at 0 \u00b0C after 100 hours at the maximum operating temperature<\/strong><\/p>\n<p>This specification demonstrates the stability of the sensor after prolonged exposure to elevated temperatures.<\/p>\n<p>Long-term stability is particularly important for reference thermometers used regularly in calibration laboratories.<\/p>\n<p>A stable reference thermometer helps maintain consistent measurement results between calibration intervals.<\/p>\n<p>Nevertheless, regular recalibration is necessary to verify the continued performance of the sensor.<\/p>\n<h2>Low Temperature Hysteresis<\/h2>\n<p>The Additel AccuMac AM 1640 features low temperature hysteresis.<\/p>\n<p>The manufacturer specifies:<\/p>\n<p><strong>Hysteresis: \u22640.01 \u00b0C<\/strong><\/p>\n<p>Temperature hysteresis describes the difference in thermometer indication at the same temperature after different thermal histories.<\/p>\n<p>For example, a reference thermometer may show slightly different resistance values at 0 \u00b0C depending on whether it was previously exposed to high or low temperatures.<\/p>\n<p>Low hysteresis improves measurement reproducibility.<\/p>\n<p>This is particularly important for calibration procedures covering a wide temperature range.<\/p>\n<h2>Excellent Thermal Shock Resistance<\/h2>\n<p>The Additel AccuMac AM 1640 is designed to withstand demanding temperature changes.<\/p>\n<p>The manufacturer specifies a thermal shock effect of:<\/p>\n<p><strong>&lt;0.007 \u00b0C after ten temperature cycles between the minimum and maximum operating temperatures<\/strong><\/p>\n<p>This characteristic is particularly important for portable calibration applications.<\/p>\n<p>Temperature sensors used in dry block calibrators may experience frequent changes between different calibration temperatures.<\/p>\n<p>The robust construction of the AM 1640 helps minimize changes in sensor characteristics caused by thermal cycling.<\/p>\n<h2>High-Quality Platinum Sensing Element<\/h2>\n<p>The Additel AccuMac AM 1640 uses a specially designed wire-wound platinum sensing element.<\/p>\n<p>The sensing element is designed to provide excellent stability and repeatability.<\/p>\n<p>Special construction techniques help protect the platinum wire against contamination at elevated temperatures.<\/p>\n<p>A supporting structure and suitable filling material provide mechanical stability while minimizing unwanted stresses on the sensing element.<\/p>\n<p>This design helps reduce hysteresis and improves resistance to mechanical and thermal shock.<\/p>\n<p>The result is a robust precision thermometer suitable for demanding industrial and laboratory applications.<\/p>\n<h2>Standard Pt100 Characteristic<\/h2>\n<p>The Additel AccuMac AM 1640 has a nominal resistance of:<\/p>\n<p><strong>100 \u03a9 at 0 \u00b0C<\/strong><\/p>\n<p>The temperature coefficient is:<\/p>\n<p><strong>0.00385 \u03a9\/\u03a9\/\u00b0C<\/strong><\/p>\n<p>This corresponds to the commonly used industrial Pt100 characteristic.<\/p>\n<p>The sensor can therefore be evaluated using a suitable thermometer readout that supports the 385 platinum resistance characteristic.<\/p>\n<p>For accurate reference measurements, the individual calibration data of the sensor should be considered.<\/p>\n<p>A nominal Pt100 characteristic alone does not represent the complete individual calibration of the thermometer.<\/p>\n<h2>Four-Wire Resistance Measurement<\/h2>\n<p>The Additel AccuMac AM 1640 uses a four-wire electrical connection.<\/p>\n<p>Four-wire measurement is particularly important for precision resistance thermometers.<\/p>\n<p>In a two-wire measurement, the resistance of the connecting cables contributes directly to the measured resistance.<\/p>\n<p>This can introduce significant temperature measurement errors.<\/p>\n<p>A four-wire measurement separates the current-carrying connections from the voltage measurement connections.<\/p>\n<p>This minimizes the influence of lead resistance.<\/p>\n<p>The AM 1640 is supplied with four Teflon-insulated copper leads.<\/p>\n<p>The standard cable length is approximately:<\/p>\n<p><strong>2 meters<\/strong><\/p>\n<p>The thermometer can be connected to compatible precision resistance measurement instruments.<\/p>\n<h2>Measurement Current<\/h2>\n<p>The Additel AccuMac AM 1640 supports measurement currents of:<\/p>\n<p><strong>0.5 mA or 1 mA<\/strong><\/p>\n<p>The measurement current is supplied by the connected thermometer readout.<\/p>\n<p>An appropriate measurement current must be selected to achieve a suitable balance between measurement resolution and sensor self-heating.<\/p>\n<p>Excessive measurement current can cause the sensing element to warm above the temperature of the surrounding medium.<\/p>\n<p>This effect must be considered when evaluating measurement uncertainty.<\/p>\n<p>For demanding calibration applications, the influence of self-heating should be investigated or included in the uncertainty budget.<\/p>\n<h2>Fast Response Time<\/h2>\n<p>The Additel AccuMac AM 1640 provides a fast response to temperature changes.<\/p>\n<p>The manufacturer specifies:<\/p>\n<p><strong>Response time: approximately 5 seconds<\/strong><\/p>\n<p>This value refers to a 63% response to a temperature step in water moving at approximately 1 m\/s.<\/p>\n<p>The actual response time depends on the measurement environment.<\/p>\n<p>In dry block calibrators, response times may be longer because of different thermal contact conditions.<\/p>\n<p>The response time of the complete measurement system must be considered before recording calibration results.<\/p>\n<h2>Robust Inconel Sheath<\/h2>\n<p>The Additel AccuMac AM 1640 features a protective sheath made from Inconel.<\/p>\n<p>Inconel is a nickel-based alloy known for its mechanical strength and resistance to demanding temperature conditions.<\/p>\n<p>The sheath protects the platinum sensing element against mechanical damage.<\/p>\n<p>This makes the thermometer suitable for repeated insertion into calibration baths and dry block calibrators.<\/p>\n<p>The robust construction also supports use in industrial measurement environments.<\/p>\n<p>The suitability of the sheath for a particular chemical medium should be checked separately.<\/p>\n<h2>Two Available Probe Versions<\/h2>\n<p>The Additel AccuMac AM 1640 is available in two different probe dimensions.<\/p>\n<h3>Additel AccuMac AM 1640-12<\/h3>\n<p>The AM 1640-12 features:<\/p>\n<ul>\n<li>Probe length: 305 mm<\/li>\n<li>Probe diameter: 6.35 mm<\/li>\n<li>Temperature range: \u2212200 \u00b0C to +420 \u00b0C<\/li>\n<\/ul>\n<p>This version is suitable for applications requiring a longer immersion depth.<\/p>\n<h3>Additel AccuMac AM 1640-9<\/h3>\n<p>The AM 1640-9 features:<\/p>\n<ul>\n<li>Probe length: 228.6 mm<\/li>\n<li>Probe diameter: 4.775 mm<\/li>\n<li>Temperature range: \u2212200 \u00b0C to +420 \u00b0C<\/li>\n<\/ul>\n<p>This version is particularly suitable for calibration applications requiring a smaller probe diameter.<\/p>\n<p>Both versions use the same nominal Pt100 characteristic and are supplied with an accredited calibration.<\/p>\n<h2>Sensor Position and Immersion Depth<\/h2>\n<p>The AM 1640 uses a sensing element approximately:<\/p>\n<p><strong>32 mm long<\/strong><\/p>\n<p>The sensing element begins approximately:<\/p>\n<p><strong>5 mm from the probe tip<\/strong><\/p>\n<p>This information is important when selecting the immersion depth.<\/p>\n<p>For accurate temperature calibration, the entire sensing element must be exposed to a sufficiently uniform temperature.<\/p>\n<p>Insufficient immersion can cause measurement errors due to heat conduction along the probe.<\/p>\n<p>The required immersion depth depends on the temperature difference between the measurement zone and the surrounding environment.<\/p>\n<p>It also depends on the thermal conductivity of the sheath and the required measurement uncertainty.<\/p>\n<h2>ISO\/IEC 17025 Accredited Calibration Included<\/h2>\n<p>Each Additel AccuMac AM 1640 is supplied with an ISO\/IEC 17025 accredited calibration.<\/p>\n<p>This provides documented metrological traceability.<\/p>\n<p>The calibration certificate contains information about the measured performance of the individual thermometer.<\/p>\n<p>The individual calibration results can be used to improve the accuracy of temperature measurements.<\/p>\n<p>For demanding applications, the calibration uncertainty and the uncertainty of the connected readout must be considered.<\/p>\n<p>Regular recalibration is recommended according to the operating conditions and the quality requirements of the user.<\/p>\n<h2>Technical Highlights<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Specification<\/th>\n<th>Additel AccuMac AM 1640<\/th>\n<\/tr>\n<tr>\n<td>Manufacturer<\/td>\n<td>Additel<\/td>\n<\/tr>\n<tr>\n<td>Product series<\/td>\n<td>AccuMac<\/td>\n<\/tr>\n<tr>\n<td>Model<\/td>\n<td>AM 1640<\/td>\n<\/tr>\n<tr>\n<td>Product type<\/td>\n<td>Precision Industrial Platinum Resistance Thermometer<\/td>\n<\/tr>\n<tr>\n<td>Temperature range<\/td>\n<td>\u2212200 \u00b0C to +420 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Nominal resistance at 0 \u00b0C<\/td>\n<td>100 \u03a9<\/td>\n<\/tr>\n<tr>\n<td>Temperature coefficient<\/td>\n<td>0.00385 \u03a9\/\u03a9\/\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Accuracy at 0 \u00b0C<\/td>\n<td>&lt;0.035 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Short-term stability<\/td>\n<td>&lt;0.01 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Long-term drift<\/td>\n<td>&lt;0.03 \u00b0C under specified conditions<\/td>\n<\/tr>\n<tr>\n<td>Thermal shock effect<\/td>\n<td>&lt;0.007 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Hysteresis<\/td>\n<td>\u22640.01 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Measurement current<\/td>\n<td>0.5 mA or 1 mA<\/td>\n<\/tr>\n<tr>\n<td>Self-heating specification<\/td>\n<td>50 mW\/\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Response time<\/td>\n<td>5 seconds under specified conditions<\/td>\n<\/tr>\n<tr>\n<td>Sensor element length<\/td>\n<td>32 mm<\/td>\n<\/tr>\n<tr>\n<td>Sensor position<\/td>\n<td>5 mm from probe tip<\/td>\n<\/tr>\n<tr>\n<td>Insulation resistance<\/td>\n<td>&gt;1000 M\u03a9 at room temperature<\/td>\n<\/tr>\n<tr>\n<td>Sheath material<\/td>\n<td>Inconel<\/td>\n<\/tr>\n<tr>\n<td>AM 1640-12 probe diameter<\/td>\n<td>6.35 mm<\/td>\n<\/tr>\n<tr>\n<td>AM 1640-12 probe length<\/td>\n<td>305 mm<\/td>\n<\/tr>\n<tr>\n<td>AM 1640-9 probe diameter<\/td>\n<td>4.775 mm<\/td>\n<\/tr>\n<tr>\n<td>AM 1640-9 probe length<\/td>\n<td>228.6 mm<\/td>\n<\/tr>\n<tr>\n<td>Electrical connection<\/td>\n<td>Four-wire<\/td>\n<\/tr>\n<tr>\n<td>Cable length<\/td>\n<td>2 meters<\/td>\n<\/tr>\n<tr>\n<td>Cable insulation<\/td>\n<td>Teflon<\/td>\n<\/tr>\n<tr>\n<td>Handle temperature range<\/td>\n<td>\u221250 \u00b0C to +180 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Calibration<\/td>\n<td>ISO\/IEC 17025 accredited calibration included<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Compatible Temperature Measurement Equipment<\/h2>\n<p>The Additel AccuMac AM 1640 can be used with compatible precision thermometer readouts.<\/p>\n<p>A suitable readout must support four-wire resistance measurement and the relevant Pt100 characteristic.<\/p>\n<p>For accurate reference measurements, the instrument should also support the use of individual calibration coefficients or appropriate resistance-to-temperature conversion.<\/p>\n<p>The AM 1640 can be combined with suitable temperature calibration baths and dry block calibrators.<\/p>\n<p>This allows users to create complete temperature calibration systems for laboratory and field applications.<\/p>\n<p>europascal supports customers in selecting suitable reference thermometers, readouts and temperature sources.<\/p>\n<h2>Calibration Service by europascal<\/h2>\n<p>Regular calibration is essential for maintaining reliable and traceable temperature measurements.<\/p>\n<p>europascal provides professional calibration services for temperature measuring instruments and calibration equipment.<\/p>\n<p>When the Additel AccuMac AM 1640 is used as a reference thermometer, the measurement uncertainty must be evaluated according to the complete measurement procedure.<\/p>\n<p>Relevant uncertainty contributions may include:<\/p>\n<ul>\n<li>Calibration uncertainty of the reference thermometer<\/li>\n<li>Resistance measurement uncertainty of the readout<\/li>\n<li>Sensor stability<\/li>\n<li>Sensor drift<\/li>\n<li>Self-heating<\/li>\n<li>Temperature hysteresis<\/li>\n<li>Immersion depth<\/li>\n<li>Heat conduction along the probe<\/li>\n<li>Temperature stability of the calibration source<\/li>\n<li>Temperature distribution within the calibration source<\/li>\n<li>Measurement repeatability<\/li>\n<\/ul>\n<p>The individual contributions should be evaluated according to the applicable calibration procedure.<\/p>\n<p>For professional calibration services and metrological traceability, visit the <a href=\"https:\/\/europascal.de\/en\/calibration-services\/\">europascal Calibration Service<\/a>.<\/p>\n<h2>Why Choose the Additel AccuMac AM 1640?<\/h2>\n<p>The Additel AccuMac AM 1640 combines excellent measurement accuracy with robust industrial construction.<\/p>\n<p>Its temperature range from \u2212200 \u00b0C to +420 \u00b0C covers numerous professional temperature measurement and calibration applications.<\/p>\n<p>Accuracy better than 0.035 \u00b0C at 0 \u00b0C and short-term stability better than 0.01 \u00b0C provide reliable conditions for demanding reference measurements.<\/p>\n<p>The specially designed wire-wound platinum sensing element offers excellent repeatability and resistance to mechanical and thermal shock.<\/p>\n<p>The robust Inconel sheath protects the sensor during repeated use.<\/p>\n<p>Four-wire resistance measurement minimizes errors caused by connecting cable resistance.<\/p>\n<p>Two available probe dimensions allow the thermometer to be adapted to different calibration setups.<\/p>\n<p>The included ISO\/IEC 17025 accredited calibration provides documented metrological traceability.<\/p>\n<p>For calibration laboratories, industrial users and service technicians requiring a reliable precision resistance thermometer, the Additel AccuMac AM 1640 provides an excellent combination of accuracy, stability and durability.<\/p>\n<h2>Typical Applications for the Additel AccuMac AM 1640<\/h2>\n<p>The Additel AccuMac AM 1640 is suitable for numerous professional temperature measurement and calibration applications.<\/p>\n<p>Typical applications include:<\/p>\n<ul>\n<li>Reference temperature measurement<\/li>\n<li>Pt100 calibration<\/li>\n<li>RTD calibration<\/li>\n<li>Temperature sensor comparison calibration<\/li>\n<li>Calibration of industrial thermometers<\/li>\n<li>Dry block calibrator applications<\/li>\n<li>Liquid calibration bath measurements<\/li>\n<li>Temperature stability measurements<\/li>\n<li>Temperature uniformity measurements<\/li>\n<li>Calibration laboratories<\/li>\n<li>Industrial quality assurance<\/li>\n<li>Process temperature measurement<\/li>\n<li>Research and development<\/li>\n<li>Laboratory temperature metrology<\/li>\n<li>Field calibration<\/li>\n<li>Preventive maintenance<\/li>\n<\/ul>\n<p>The combination of high accuracy, excellent stability, robust construction and accredited calibration makes the Additel AccuMac AM 1640 a professional solution for demanding temperature measurement applications.<\/p>\n<p><a href=\"https:\/\/europascal.de\/marke\/additel\/\">Find more Additel products at europascal.<\/a><\/p>\n<p>Manufacturer information for the Additel AccuMac AM 1640 can be found on the <a href=\"https:\/\/additel.com\/product-detail.html\/am1660-am1640-precision-industrial-prts\/\" 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-AccuMac-AM1660-AM1640-Precision-Indusrial-PRTs-20230625.pdf\"> <span style=\"color: #0000ff;\"><strong><em>Download Datasheet<\/em><\/strong><\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The <strong>Additel AccuMac AM 1640<\/strong> is a precision industrial platinum resistance thermometer with a temperature range from <strong>\u2212200 \u00b0C to +420 \u00b0C<\/strong>.\u00a0Featuring accuracy better than <strong>0.035 \u00b0C at 0 \u00b0C<\/strong>, excellent short-term stability below <strong>0.01 \u00b0C<\/strong> and a robust Inconel sheath, it is ideal for professional temperature measurement and calibration.\u00a0An <strong>ISO\/IEC 17025 accredited calibration<\/strong> is included.<\/p>\n","protected":false},"featured_media":3422,"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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