{"id":6799,"date":"2026-07-17T16:56:10","date_gmt":"2026-07-17T16:56:10","guid":{"rendered":"https:\/\/europascal.de\/product\/fluke-calibration-5606\/"},"modified":"2026-10-12T09:21:00","modified_gmt":"2026-10-12T09:21:00","slug":"fluke-calibration-5606","status":"publish","type":"product","link":"https:\/\/europascal.de\/en\/product\/fluke-calibration-5606\/","title":{"rendered":"Fluke Calibration 5606 Precise Immersion Thermometer"},"content":{"rendered":"<p>The <strong>Fluke Calibration 5606<\/strong> is a high-precision, fully immersible platinum resistance thermometer (PRT) designed for accurate temperature measurements in demanding laboratory and industrial environments. With an operating temperature range from <strong>\u2212200 \u00b0C to +160 \u00b0C<\/strong>, a compact stainless steel probe and specially designed temperature-resistant lead wires, the Fluke Calibration 5606 provides an excellent solution for temperature calibration, validation and monitoring applications.<\/p>\n<p>Unlike conventional temperature probes, the Fluke Calibration 5606 is designed for complete immersion. The sensing element, transition junction and lead wires can all be exposed to temperatures throughout the specified operating range.<\/p>\n<p>This unique design makes the instrument particularly suitable for temperature measurements in laboratory freezers, cryogenic environments, autoclaves, sterilizers, environmental chambers and temperature-controlled industrial equipment.<\/p>\n<p>The Fluke Calibration 5606 features a <strong>100 \u03a9 platinum resistance element<\/strong> with a temperature coefficient of <strong>0.00385 \u03a9\/\u03a9\/\u00b0C<\/strong>.<\/p>\n<p>The manufacturer specifies an accuracy of <strong>\u00b10.04 \u00b0C at 0.01 \u00b0C<\/strong> and <strong>\u00b10.06 \u00b0C at 160 \u00b0C<\/strong> for the calibrated probe under defined conditions.<\/p>\n<p>With a sheath diameter of only <strong>3.1 mm<\/strong> and a length of <strong>50 mm<\/strong>, the Fluke Calibration 5606 can be installed in confined spaces where conventional reference thermometers are unsuitable.<\/p>\n<p>The specially designed lead wires provide excellent flexibility and minimize the influence of the measurement setup on the temperature-controlled environment.<\/p>\n<p>The Fluke Calibration 5606 can be connected to compatible precision thermometer readouts, including the Fluke Calibration 1523 and 1524 when ordered with the appropriate connector.<\/p>\n<p>At <strong>europascal<\/strong>, the Fluke Calibration 5606 provides a professional solution for precision temperature measurement and calibration applications.<\/p>\n<p>europascal supports customers with reference thermometers, temperature calibration equipment and professional calibration services.<\/p>\n<p>For reliable measurement results and metrological traceability, visit the <a href=\"https:\/\/europascal.de\/en\/calibration-services\/\">europascal Calibration Service<\/a>.<\/p>\n<h2>Your Benefits at a Glance<\/h2>\n<ul>\n<li>High-precision platinum resistance thermometer<\/li>\n<li>Fully immersible temperature probe<\/li>\n<li>Temperature range from \u2212200 \u00b0C to +160 \u00b0C<\/li>\n<li>Nominal resistance of 100 \u03a9<\/li>\n<li>Temperature coefficient of 0.00385 \u03a9\/\u03a9\/\u00b0C<\/li>\n<li>Accuracy of \u00b10.04 \u00b0C at 0.01 \u00b0C<\/li>\n<li>Accuracy of \u00b10.06 \u00b0C at 160 \u00b0C<\/li>\n<li>Compact 50 mm probe length<\/li>\n<li>Small sheath diameter of 3.1 mm<\/li>\n<li>Stainless steel 316 sheath<\/li>\n<li>Special moisture-resistant construction<\/li>\n<li>Temperature-resistant transition junction<\/li>\n<li>Temperature-resistant lead wires<\/li>\n<li>Flexible 2.4 m connecting leads<\/li>\n<li>Suitable for cryogenic temperature measurements<\/li>\n<li>Suitable for laboratory freezers<\/li>\n<li>Suitable for autoclaves and sterilizers<\/li>\n<li>Suitable for environmental chambers<\/li>\n<li>Excellent short-term repeatability<\/li>\n<li>Low self-heating<\/li>\n<li>Fast temperature response<\/li>\n<li>Different connector configurations available<\/li>\n<li>Compatible with Fluke Calibration thermometer readouts<\/li>\n<li>Optional accredited calibration<\/li>\n<li>Professional calibration support from europascal<\/li>\n<\/ul>\n<h2>Full Immersion Temperature Measurement<\/h2>\n<p>The most important feature of the <strong>Fluke Calibration 5606<\/strong> is its full immersion capability.<\/p>\n<p>Conventional platinum resistance thermometers often contain a transition junction between the metal probe sheath and the connecting cable.<\/p>\n<p>This transition junction may have a more limited operating temperature range than the actual sensing element.<\/p>\n<p>As a result, conventional probes cannot always be completely immersed in extreme temperature environments.<\/p>\n<p>The Fluke Calibration 5606 is specifically designed to overcome this limitation.<\/p>\n<p>Its sensing element, transition junction and lead wires can withstand temperatures from:<\/p>\n<p><strong>\u2212200 \u00b0C to +160 \u00b0C<\/strong><\/p>\n<p>This allows the entire probe assembly to be exposed to the measurement environment.<\/p>\n<p>The term full immersion does not necessarily mean that the probe must be submerged in liquid.<\/p>\n<p>It also describes applications in which the probe and its connecting leads are exposed to temperatures significantly above or below ambient temperature.<\/p>\n<p>This makes the Fluke Calibration 5606 particularly suitable for laboratory freezers, environmental chambers and sterilization equipment.<\/p>\n<h2>Wide Temperature Range from \u2212200 \u00b0C to +160 \u00b0C<\/h2>\n<p>The Fluke Calibration 5606 covers a temperature range from:<\/p>\n<p><strong>\u2212200 \u00b0C to +160 \u00b0C<\/strong><\/p>\n<p>This range includes cryogenic temperatures, low-temperature laboratory applications and elevated temperatures used in industrial sterilization processes.<\/p>\n<p>Typical applications include:<\/p>\n<ul>\n<li>Cryogenic temperature measurement<\/li>\n<li>Laboratory freezer validation<\/li>\n<li>Biological sample storage<\/li>\n<li>Autoclave temperature measurement<\/li>\n<li>Sterilizer validation<\/li>\n<li>Environmental chamber testing<\/li>\n<li>Temperature mapping<\/li>\n<li>Industrial temperature monitoring<\/li>\n<\/ul>\n<p>The wide operating range makes the Fluke Calibration 5606 suitable for applications requiring a single reference temperature probe across different temperature environments.<\/p>\n<h2>Precision Platinum Resistance Element<\/h2>\n<p>The Fluke Calibration 5606 uses a precision platinum resistance sensing element.<\/p>\n<p>The nominal resistance is:<\/p>\n<p><strong>100 \u03a9<\/strong><\/p>\n<p>The temperature coefficient is:<\/p>\n<p><strong>\u03b1 = 0.00385 \u03a9\/\u03a9\/\u00b0C<\/strong><\/p>\n<p>This corresponds to the commonly used Pt100 resistance-temperature characteristic.<\/p>\n<p>The resistance of platinum changes predictably with temperature.<\/p>\n<p>By measuring the electrical resistance, a compatible thermometer readout can calculate the corresponding temperature.<\/p>\n<p>The Fluke Calibration 5606 is designed for accurate and reproducible resistance measurements.<\/p>\n<p>For the best measurement results, the probe should be connected to a suitable precision thermometer readout using the correct resistance-temperature characteristic.<\/p>\n<h2>High Measurement Accuracy<\/h2>\n<p>The <strong>Fluke Calibration 5606<\/strong> provides excellent accuracy for demanding temperature measurement applications.<\/p>\n<p>The manufacturer specifies:<\/p>\n<p><strong>\u00b10.04 \u00b0C at 0.01 \u00b0C<\/strong><\/p>\n<p><strong>\u00b10.06 \u00b0C at 160 \u00b0C<\/strong><\/p>\n<p>These values apply to the calibrated probe under the manufacturer&#8217;s defined conditions.<\/p>\n<p>The overall measurement uncertainty of a complete temperature measurement system also depends on the connected thermometer readout.<\/p>\n<p>For professional temperature calibration, the uncertainty contributions of both the sensor and the readout must be considered.<\/p>\n<p>Additional contributions may arise from sensor drift, self-heating, immersion conditions and the temperature distribution of the measurement environment.<\/p>\n<h2>Excellent Short-Term Repeatability<\/h2>\n<p>Short-term repeatability is an important characteristic of reference temperature probes.<\/p>\n<p>The Fluke Calibration 5606 provides excellent repeatability during repeated temperature cycles.<\/p>\n<p>The manufacturer specifies:<\/p>\n<table>\n<tbody>\n<tr>\n<th>Temperature<\/th>\n<th>Short-Term Repeatability<\/th>\n<\/tr>\n<tr>\n<td>0.01 \u00b0C<\/td>\n<td>\u00b10.03 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>160 \u00b0C<\/td>\n<td>\u00b10.04 \u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>These values are based on the manufacturer&#8217;s defined thermal cycling procedure.<\/p>\n<p>Good repeatability supports reliable temperature measurements during calibration and validation applications.<\/p>\n<h2>Low Temperature Drift<\/h2>\n<p>Long-term stability is particularly important for reference thermometers.<\/p>\n<p>The Fluke Calibration 5606 is designed to maintain stable resistance characteristics during repeated temperature exposure.<\/p>\n<p>The manufacturer specifies drift values of:<\/p>\n<table>\n<tbody>\n<tr>\n<th>Temperature<\/th>\n<th>Drift<\/th>\n<\/tr>\n<tr>\n<td>0.01 \u00b0C<\/td>\n<td>\u00b10.03 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>160 \u00b0C<\/td>\n<td>\u00b10.04 \u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>These specifications refer to the manufacturer&#8217;s defined test conditions, including exposure at the maximum operating temperature.<\/p>\n<p>Regular calibration is recommended to monitor the long-term stability of the probe.<\/p>\n<h2>Low Hysteresis<\/h2>\n<p>Temperature hysteresis describes the difference in sensor indication that may occur depending on the previous temperature exposure.<\/p>\n<p>The Fluke Calibration 5606 is designed to minimize this effect.<\/p>\n<p>The manufacturer specifies a hysteresis of:<\/p>\n<p><strong>\u00b10.015 \u00b0C<\/strong><\/p>\n<p>Low hysteresis is particularly useful when the probe is repeatedly exposed to different temperatures.<\/p>\n<p>This characteristic contributes to reproducible temperature measurements.<\/p>\n<h2>Compact 50 mm Probe<\/h2>\n<p>The Fluke Calibration 5606 features a compact stainless steel sheath.<\/p>\n<p>The manufacturer specifies:<\/p>\n<p><strong>Sheath length: 50 mm \u00b15 mm<\/strong><\/p>\n<p><strong>Sheath diameter: 3.1 mm \u00b10.1 mm<\/strong><\/p>\n<p>The small dimensions allow the probe to be installed in confined measurement locations.<\/p>\n<p>This is particularly useful for:<\/p>\n<ul>\n<li>Laboratory freezers<\/li>\n<li>Small temperature chambers<\/li>\n<li>Cryogenic storage equipment<\/li>\n<li>Autoclaves<\/li>\n<li>Sterilizers<\/li>\n<li>Temperature mapping applications<\/li>\n<\/ul>\n<p>The compact probe design reduces the space required for installation.<\/p>\n<h2>Stainless Steel 316 Sheath<\/h2>\n<p>The Fluke Calibration 5606 features a stainless steel 316 probe sheath.<\/p>\n<p>This material provides good mechanical strength and corrosion resistance in many industrial environments.<\/p>\n<p>The probe is suitable for use in compatible non-corrosive liquids and dry temperature-controlled environments.<\/p>\n<p>Chemical compatibility must be considered when the probe is exposed to aggressive substances.<\/p>\n<p>The stainless steel sheath protects the precision platinum sensing element.<\/p>\n<h2>Special Moisture-Resistant Construction<\/h2>\n<p>Moisture ingress can cause significant problems in precision resistance thermometers.<\/p>\n<p>Moisture entering the sensing element may reduce insulation resistance and introduce measurement errors.<\/p>\n<p>The Fluke Calibration 5606 features a specially designed probe seal.<\/p>\n<p>This construction helps prevent moisture from entering the sensing element.<\/p>\n<p>The manufacturer also uses individual enamel-insulated copper lead wires.<\/p>\n<p>These wires reduce the possibility of moisture traveling along the cable into the probe.<\/p>\n<p>This design is particularly useful in applications involving condensation, low temperatures and repeated thermal cycling.<\/p>\n<h2>Temperature-Resistant Lead Wires<\/h2>\n<p>The Fluke Calibration 5606 features special connecting leads.<\/p>\n<p>The manufacturer specifies a lead-wire length of:<\/p>\n<p><strong>2.4 meters<\/strong><\/p>\n<p>The lead wires are designed to withstand the full operating temperature range of the probe.<\/p>\n<p>The individual conductors have a diameter of no more than:<\/p>\n<p><strong>0.2 mm<\/strong><\/p>\n<p>The thin conductors provide excellent flexibility.<\/p>\n<p>They can be routed through narrow openings, such as the seals of laboratory freezer doors.<\/p>\n<p>This allows temperature measurements to be performed without significantly affecting the thermal conditions inside the equipment.<\/p>\n<h2>Fast Temperature Response<\/h2>\n<p>The Fluke Calibration 5606 provides a typical response time of:<\/p>\n<p><strong>12 seconds<\/strong><\/p>\n<p>The manufacturer specifies this value according to ASTM E644.<\/p>\n<p>A fast response is useful when monitoring changing temperature conditions.<\/p>\n<p>The actual response time depends on the measurement medium, flow conditions and installation.<\/p>\n<p>For precision calibration, sufficient time must be allowed for thermal equilibrium.<\/p>\n<h2>Low Self-Heating<\/h2>\n<p>Platinum resistance thermometers require an electrical measurement current.<\/p>\n<p>This current produces a small amount of heat in the sensing element.<\/p>\n<p>The resulting temperature increase is known as self-heating.<\/p>\n<p>The Fluke Calibration 5606 is designed to minimize this effect.<\/p>\n<p>The manufacturer specifies self-heating of:<\/p>\n<p><strong>\u00b10.003 \u00b0C in a 0 \u00b0C calibration bath<\/strong><\/p>\n<p>The actual self-heating depends on the measurement current and thermal conditions.<\/p>\n<p>For high-accuracy measurements, the excitation current of the connected thermometer readout must be considered.<\/p>\n<h2>Laboratory Freezer Calibration<\/h2>\n<p>The <strong>Fluke Calibration 5606<\/strong> is particularly suitable for temperature measurements in laboratory freezers.<\/p>\n<p>The compact probe and flexible lead wires allow the sensing element to be positioned inside the freezer.<\/p>\n<p>The connecting leads can be routed through narrow openings.<\/p>\n<p>This reduces the need for large cable penetrations.<\/p>\n<p>The probe can be used for:<\/p>\n<ul>\n<li>Laboratory freezer calibration<\/li>\n<li>Biological freezer validation<\/li>\n<li>Cryogenic storage monitoring<\/li>\n<li>Temperature mapping<\/li>\n<li>Temperature stability measurements<\/li>\n<\/ul>\n<p>The full immersion capability allows the entire probe assembly to be exposed to low temperatures.<\/p>\n<h2>Autoclave and Sterilizer Validation<\/h2>\n<p>The Fluke Calibration 5606 is also suitable for temperature measurements in autoclaves and sterilizers.<\/p>\n<p>These applications require temperature probes that can withstand elevated temperatures and demanding environmental conditions.<\/p>\n<p>The Fluke Calibration 5606 supports temperatures up to:<\/p>\n<p><strong>160 \u00b0C<\/strong><\/p>\n<p>Its compact dimensions allow installation in different measurement locations.<\/p>\n<p>Typical applications include:<\/p>\n<ul>\n<li>Autoclave temperature validation<\/li>\n<li>Sterilizer temperature monitoring<\/li>\n<li>Temperature distribution measurements<\/li>\n<li>Process qualification<\/li>\n<li>Temperature mapping<\/li>\n<\/ul>\n<p>The probe can be used as part of a suitable measurement system for documenting temperature conditions during validation procedures.<\/p>\n<h2>Environmental Chamber Temperature Mapping<\/h2>\n<p>Temperature mapping is used to evaluate the temperature distribution inside controlled environments.<\/p>\n<p>The Fluke Calibration 5606 can be used for temperature mapping in:<\/p>\n<ul>\n<li>Environmental chambers<\/li>\n<li>Climate chambers<\/li>\n<li>Stability test chambers<\/li>\n<li>Laboratory refrigerators<\/li>\n<li>Laboratory freezers<\/li>\n<li>Incubators<\/li>\n<li>Temperature-controlled storage areas<\/li>\n<\/ul>\n<p>Multiple probes can be positioned at different locations.<\/p>\n<p>The measured temperatures can then be recorded using suitable thermometer readouts or data acquisition systems.<\/p>\n<p>This allows temperature gradients and stability to be evaluated.<\/p>\n<h2>IQ\/OQ\/PQ Qualification<\/h2>\n<p>The Fluke Calibration 5606 is suitable for temperature measurements during equipment qualification procedures.<\/p>\n<p>These procedures may include:<\/p>\n<p><strong>Installation Qualification (IQ)<\/strong><\/p>\n<p><strong>Operational Qualification (OQ)<\/strong><\/p>\n<p><strong>Performance Qualification (PQ)<\/strong><\/p>\n<p>Temperature measurements are often required to verify that equipment operates within defined specifications.<\/p>\n<p>The Fluke Calibration 5606 can be used as part of a traceable temperature measurement system.<\/p>\n<p>The suitability of the complete system depends on the required measurement uncertainty and qualification procedure.<\/p>\n<h2>Compatible Thermometer Readouts<\/h2>\n<p>The Fluke Calibration 5606 is a passive platinum resistance thermometer.<\/p>\n<p>It does not include an integrated display or independent temperature indication.<\/p>\n<p>A compatible thermometer readout is required to measure the sensor resistance and calculate temperature.<\/p>\n<p>Depending on the selected connector, the probe can be used with compatible Fluke Calibration instruments.<\/p>\n<p>Examples include:<\/p>\n<ul>\n<li>Fluke Calibration 1523<\/li>\n<li>Fluke Calibration 1524<\/li>\n<li>Fluke Calibration 1529<\/li>\n<li>Compatible precision resistance thermometer readouts<\/li>\n<\/ul>\n<p>For use with the Fluke Calibration 1523 or 1524, the appropriate INFO-CON connector version should be selected.<\/p>\n<p>The Fluke Calibration 5606-50-P is specifically designed for this application.<\/p>\n<h2>Available Connector Configurations<\/h2>\n<p>The Fluke Calibration 5606 is available with different connector options.<\/p>\n<p>The connector is selected according to the thermometer readout.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Connector Code<\/th>\n<th>Connection Type<\/th>\n<\/tr>\n<tr>\n<td>A<\/td>\n<td>INFO-CON for Fluke 914X<\/td>\n<\/tr>\n<tr>\n<td>B<\/td>\n<td>Bare wire<\/td>\n<\/tr>\n<tr>\n<td>D<\/td>\n<td>5-pin DIN<\/td>\n<\/tr>\n<tr>\n<td>G<\/td>\n<td>Gold pins<\/td>\n<\/tr>\n<tr>\n<td>J<\/td>\n<td>Banana plugs<\/td>\n<\/tr>\n<tr>\n<td>L<\/td>\n<td>Mini spade lugs<\/td>\n<\/tr>\n<tr>\n<td>M<\/td>\n<td>Mini banana plugs<\/td>\n<\/tr>\n<tr>\n<td>P<\/td>\n<td>INFO-CON for Fluke 1523\/1524<\/td>\n<\/tr>\n<tr>\n<td>S<\/td>\n<td>Spade lugs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The correct connector must be selected when ordering.<\/p>\n<h2>Fluke Calibration 5606-50-P<\/h2>\n<p>The <strong>Fluke Calibration 5606-50-P<\/strong> is a version of the 5606 supplied with an INFO-CON connector.<\/p>\n<p>This connector is designed for use with:<\/p>\n<p><strong>Fluke Calibration 1523<\/strong><\/p>\n<p>and<\/p>\n<p><strong>Fluke Calibration 1524<\/strong><\/p>\n<p>The INFO-CON connection allows compatible thermometer readouts to use stored probe information.<\/p>\n<p>This simplifies the configuration of the temperature measurement system.<\/p>\n<h2>Calibration and Traceability<\/h2>\n<p>The Fluke Calibration 5606 can be supplied with an optional accredited calibration.<\/p>\n<p>Fluke offers NVLAP-accredited calibration services for this probe.<\/p>\n<p>Calibration provides documented measurement results and supports metrological traceability.<\/p>\n<p>The manufacturer also provides an individual measured resistance value for the probe.<\/p>\n<p>The calibration results can be used to improve the accuracy of the complete temperature measurement system.<\/p>\n<p>For demanding applications, calibration of the probe together with the thermometer readout may be appropriate.<\/p>\n<h2>Technical Highlights<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Feature<\/th>\n<th>Fluke Calibration 5606<\/th>\n<\/tr>\n<tr>\n<td>Product type<\/td>\n<td>Full Immersion Platinum Resistance Thermometer<\/td>\n<\/tr>\n<tr>\n<td>Manufacturer<\/td>\n<td>Fluke Calibration<\/td>\n<\/tr>\n<tr>\n<td>Temperature range<\/td>\n<td>\u2212200 \u00b0C to +160 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Sensor type<\/td>\n<td>Precision Pt100<\/td>\n<\/tr>\n<tr>\n<td>Nominal resistance<\/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 0.01 \u00b0C<\/td>\n<td>\u00b10.04 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Accuracy at 160 \u00b0C<\/td>\n<td>\u00b10.06 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Short-term repeatability at 0.01 \u00b0C<\/td>\n<td>\u00b10.03 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Short-term repeatability at 160 \u00b0C<\/td>\n<td>\u00b10.04 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Drift at 0.01 \u00b0C<\/td>\n<td>\u00b10.03 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Drift at 160 \u00b0C<\/td>\n<td>\u00b10.04 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Hysteresis<\/td>\n<td>\u00b10.015 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Sheath length<\/td>\n<td>50 mm \u00b15 mm<\/td>\n<\/tr>\n<tr>\n<td>Sheath diameter<\/td>\n<td>3.1 mm \u00b10.1 mm<\/td>\n<\/tr>\n<tr>\n<td>Sheath material<\/td>\n<td>Stainless steel 316<\/td>\n<\/tr>\n<tr>\n<td>Sensor length<\/td>\n<td>30 mm \u00b13 mm<\/td>\n<\/tr>\n<tr>\n<td>Sensor position<\/td>\n<td>3 mm \u00b11 mm from tip<\/td>\n<\/tr>\n<tr>\n<td>Response time<\/td>\n<td>12 seconds typical<\/td>\n<\/tr>\n<tr>\n<td>Self-heating<\/td>\n<td>\u00b10.003 \u00b0C in a 0 \u00b0C bath<\/td>\n<\/tr>\n<tr>\n<td>Lead-wire material<\/td>\n<td>Enamel-insulated copper<\/td>\n<\/tr>\n<tr>\n<td>Lead-wire length<\/td>\n<td>2.4 m<\/td>\n<\/tr>\n<tr>\n<td>Lead-wire temperature rating<\/td>\n<td>\u2212200 \u00b0C to +160 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Minimum insulation resistance<\/td>\n<td>20 M\u03a9 at 23 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Full immersion capability<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Calibration<\/td>\n<td>Optional accredited calibration<\/td>\n<\/tr>\n<tr>\n<td>Compatible readouts<\/td>\n<td>Depending on connector configuration<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Fluke Calibration 5606 vs. Conventional PRT Probes<\/h2>\n<p>The Fluke Calibration 5606 differs from conventional platinum resistance thermometers primarily in its construction.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Feature<\/th>\n<th>Fluke Calibration 5606<\/th>\n<th>Conventional PRT<\/th>\n<\/tr>\n<tr>\n<td>Full immersion<\/td>\n<td>Yes<\/td>\n<td>Depends on design<\/td>\n<\/tr>\n<tr>\n<td>Transition junction temperature range<\/td>\n<td>\u2212200 \u00b0C to +160 \u00b0C<\/td>\n<td>Often limited<\/td>\n<\/tr>\n<tr>\n<td>Lead-wire temperature range<\/td>\n<td>\u2212200 \u00b0C to +160 \u00b0C<\/td>\n<td>Depends on cable<\/td>\n<\/tr>\n<tr>\n<td>Compact sheath<\/td>\n<td>50 mm<\/td>\n<td>Varies<\/td>\n<\/tr>\n<tr>\n<td>Sheath diameter<\/td>\n<td>3.1 mm<\/td>\n<td>Varies<\/td>\n<\/tr>\n<tr>\n<td>Moisture-resistant construction<\/td>\n<td>Yes<\/td>\n<td>Depends on design<\/td>\n<\/tr>\n<tr>\n<td>Laboratory freezer applications<\/td>\n<td>Particularly suitable<\/td>\n<td>Depends on design<\/td>\n<\/tr>\n<tr>\n<td>Autoclave applications<\/td>\n<td>Suitable within specifications<\/td>\n<td>Depends on design<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The Fluke Calibration 5606 is particularly useful when conventional probes cannot be fully exposed to the required measurement temperature.<\/p>\n<h2>Typical Applications<\/h2>\n<p>The <strong>Fluke Calibration 5606<\/strong> is suitable for:<\/p>\n<ul>\n<li>Precision temperature measurement<\/li>\n<li>Platinum resistance thermometer applications<\/li>\n<li>Laboratory freezer calibration<\/li>\n<li>Cryogenic temperature measurement<\/li>\n<li>Biological freezer validation<\/li>\n<li>Autoclave temperature measurement<\/li>\n<li>Sterilizer validation<\/li>\n<li>Environmental chamber testing<\/li>\n<li>Climate chamber temperature mapping<\/li>\n<li>Temperature stability monitoring<\/li>\n<li>Temperature calibration baths<\/li>\n<li>Laboratory temperature calibration<\/li>\n<li>Temperature data logging<\/li>\n<li>Industrial temperature measurement<\/li>\n<li>Quality assurance<\/li>\n<li>Research laboratories<\/li>\n<li>Pharmaceutical laboratories<\/li>\n<li>IQ\/OQ\/PQ qualification<\/li>\n<li>Temperature metrology<\/li>\n<\/ul>\n<h2>Calibration by europascal<\/h2>\n<p>Regular calibration is essential for maintaining reliable temperature measurement results.<\/p>\n<p>europascal provides professional calibration services for temperature measuring instruments and reference temperature measurement systems.<\/p>\n<p>The Fluke Calibration 5606 can be calibrated to verify its resistance-temperature characteristic.<\/p>\n<p>When combined with a suitable precision thermometer readout, the probe can be used as part of a traceable temperature measurement system.<\/p>\n<p>The measurement uncertainty depends on the calibration of the probe, the thermometer readout and the measurement conditions.<\/p>\n<p>For professional calibration and metrological traceability, visit the <a href=\"https:\/\/europascal.de\/en\/calibration-services\/\">europascal Calibration Service<\/a>.<\/p>\n<p>europascal also supports customers with the selection of suitable temperature probes and calibration equipment.<\/p>\n<h2>Why Choose the Fluke Calibration 5606?<\/h2>\n<p>The <strong>Fluke Calibration 5606<\/strong> combines precision temperature measurement with a unique full immersion design.<\/p>\n<p>Its temperature range from \u2212200 \u00b0C to +160 \u00b0C makes it suitable for cryogenic, low-temperature and elevated-temperature applications.<\/p>\n<p>The compact 50 mm sheath allows measurements in confined spaces.<\/p>\n<p>The special moisture-resistant construction provides additional reliability in demanding environments.<\/p>\n<p>Temperature-resistant lead wires allow the complete probe assembly to be exposed to the measurement environment.<\/p>\n<p>Excellent repeatability, low hysteresis and low self-heating support accurate temperature measurements.<\/p>\n<p>Different connector options provide compatibility with suitable precision thermometer readouts.<\/p>\n<p>For professional users requiring a compact and fully immersible platinum resistance thermometer, the Fluke Calibration 5606 provides an excellent combination of accuracy, flexibility and durability.<\/p>\n<p>europascal supports customers with temperature calibration equipment, reference thermometers and professional calibration services.<\/p>\n<p><a href=\"https:\/\/europascal.de\/marke\/fluke-calibration\/\">Further products from Fluke Calibration can be found here.<\/a><\/p>\n<p><a href=\"https:\/\/www.fluke.com\/en-us\/product\/calibration-tools\/temperature-calibrators\/fluke-5606\" target=\"_blank\" rel=\"noopener\">Manufacturer information about the Fluke Calibration 5606 can be found on the official Fluke website.<\/a><\/p>\n<p><a class=\"download-datasheet\" href=\"#\" data-pdf=\"https:\/\/europascal.de\/wp-content\/uploads\/2026\/07\/Fluke-5606-Full-Immersion-PRT.pdf\"><span style=\"color: #0000ff;\"><strong><em>Download Datasheet<\/em><\/strong><\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The <strong>Fluke Calibration 5606<\/strong> is a high-precision, fully immersible platinum resistance thermometer (PRT) designed for temperature measurements from <strong>\u2212200 \u00b0C to +160 \u00b0C<\/strong>. Featuring a compact <strong>50 mm stainless steel sheath<\/strong>, a diameter of only <strong>3.1 mm<\/strong> and specially designed temperature-resistant lead wires, the probe is ideal for laboratory freezers, autoclaves, environmental chambers and temperature mapping applications. With accuracy down to <strong>\u00b10.04 \u00b0C<\/strong>, excellent repeatability and low self-heating, the Fluke Calibration 5606 provides reliable temperature measurement performance. Different connector options and optional accredited calibration are available.<\/p>\n","protected":false},"featured_media":3461,"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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