{"id":7224,"date":"2026-07-17T14:35:16","date_gmt":"2026-07-17T14:35:16","guid":{"rendered":"https:\/\/europascal.de\/product\/europascal-bh4-400b\/"},"modified":"2026-10-21T11:09:08","modified_gmt":"2026-10-21T11:09:08","slug":"europascal-bh4-400b","status":"publish","type":"product","link":"https:\/\/europascal.de\/en\/product\/europascal-bh4-400b\/","title":{"rendered":"europascal BH4-400B Precise Automatic Deadweight Tester"},"content":{"rendered":"<p>The <strong>europascal BH4-400B Automatic Deadweight Tester<\/strong> is a high-performance hydraulic pressure standard designed for precise and efficient calibration from <strong>5 to 400 bar<\/strong>. With a standard accuracy of <strong>0.01 %<\/strong> and enhanced performance of <strong>up to 0.006 % as an option<\/strong>, the BH4-400B combines the proven physical measurement principle of a piston gauge with advanced automatic functions for professional calibration laboratories.<\/p>\n<p>The instrument is designed as a <strong>single-piston hydraulic deadweight tester<\/strong> and is identified by the manufacturer as <strong>BH4-400B SP<\/strong>. Its measuring range extends from <strong>5 to 400 bar<\/strong>, corresponding to <strong>500 to 40,000 kPa<\/strong> and <strong>50 to 5,800 psi<\/strong> according to the manufacturer.<\/p>\n<p>The BH4-400B incorporates a <strong>tungsten carbide piston<\/strong> and a <strong>treated steel cylinder<\/strong>. Hydraulic pressure is transmitted using oil, while the automatic BH4 platform provides motorized mass rotation, dynamic piston position visualization and automatic display of the generated reference pressure.<\/p>\n<p>The instrument is particularly suitable for professional calibration laboratories, pressure instrument manufacturers, industrial quality assurance departments and service organizations that regularly calibrate hydraulic pressure measuring instruments.<\/p>\n<p>europascal provides professional support for pressure calibration equipment, system configuration, maintenance and calibration. The <a href=\"https:\/\/europascal.de\/en\/calibration-services\/\">europascal calibration service<\/a> provides professional calibration solutions for deadweight testers, pressure balances, pressure gauges, pressure sensors, transmitters and other pressure measuring equipment.<\/p>\n<h2>Your Benefits at a Glance<\/h2>\n<p>The <strong>europascal BH4-400B Automatic Deadweight Tester<\/strong> combines high metrological performance with automatic operation.<\/p>\n<p>Key benefits include:<\/p>\n<ul>\n<li>Automatic hydraulic deadweight tester<\/li>\n<li>Measuring range from 5 to 400 bar<\/li>\n<li>500 to 40,000 kPa<\/li>\n<li>50 to 5,800 psi<\/li>\n<li>Maximum pressure of 400 bar \/ 40 MPa<\/li>\n<li>Standard accuracy of 0.01 %<\/li>\n<li>Enhanced accuracy up to 0.006 % as an option<\/li>\n<li>Single-piston configuration<\/li>\n<li>Tungsten carbide piston<\/li>\n<li>Treated steel cylinder<\/li>\n<li>Hydraulic operation with oil<\/li>\n<li>Motorized mass rotation<\/li>\n<li>Dynamic piston position visualization<\/li>\n<li>Automatic pressure calculation and display<\/li>\n<li>Temperature measurement<\/li>\n<li>Atmospheric pressure measurement<\/li>\n<li>Non-magnetic stainless steel calibration masses<\/li>\n<li>Standard or local gravity configuration<\/li>\n<li>G1\/2 swivel connection as standard<\/li>\n<li>Optional accredited calibration certificate<\/li>\n<\/ul>\n<h2>Measuring Range from 5 to 400 bar<\/h2>\n<p>The <strong>europascal BH4-400B<\/strong> covers a hydraulic measuring range from:<\/p>\n<p><strong>5 to 400 bar<\/strong><\/p>\n<p>This corresponds to:<\/p>\n<p><strong>500 to 40,000 kPa<\/strong><\/p>\n<p>or:<\/p>\n<p><strong>0.5 to 40 MPa<\/strong><\/p>\n<p>The manufacturer specifies the imperial range as:<\/p>\n<p><strong>50 to 5,800 psi<\/strong><\/p>\n<p>The maximum pressure is therefore:<\/p>\n<p><strong>400 bar \/ 40 MPa<\/strong><\/p>\n<p>This range makes the BH4-400B particularly suitable for calibration of hydraulic pressure instruments used in industrial and laboratory applications.<\/p>\n<h2>Accuracy of 0.01 %<\/h2>\n<p>The standard accuracy of the <strong>europascal BH4-400B<\/strong> is:<\/p>\n<p><strong>0.01 %<\/strong><\/p>\n<p>For applications with higher metrological requirements, AREMECA offers enhanced performance:<\/p>\n<p><strong>up to 0.006 % as an option<\/strong><\/p>\n<p>The complete measurement uncertainty of a calibration additionally depends on the relevant influence quantities of the pressure balance and calibration setup.<\/p>\n<p>These can include:<\/p>\n<ul>\n<li>Calibration of the mass set<\/li>\n<li>Effective piston area<\/li>\n<li>Pressure coefficient<\/li>\n<li>Local gravitational acceleration<\/li>\n<li>Air buoyancy<\/li>\n<li>Piston-cylinder temperature<\/li>\n<li>Pressure deformation<\/li>\n<li>Hydraulic fluid properties<\/li>\n<li>Hydrostatic head difference<\/li>\n<li>Repeatability<\/li>\n<li>Sensitivity<\/li>\n<li>Resolution of the device under test<\/li>\n<li>Environmental conditions<\/li>\n<\/ul>\n<p>The exact uncertainty budget should be determined according to the calibration procedure and the configuration of the instrument.<\/p>\n<h2>Physical Piston Gauge Measurement Principle<\/h2>\n<p>The <strong>europascal BH4-400B Automatic Deadweight Tester<\/strong> operates according to the fundamental physical principle of a piston gauge.<\/p>\n<p>The basic relationship is:<\/p>\n<p><strong>p = F \/ A<\/strong><\/p>\n<p>where:<\/p>\n<p><strong>p<\/strong> = generated pressure<br \/>\n<strong>F<\/strong> = force acting on the piston<br \/>\n<strong>A<\/strong> = effective piston area<\/p>\n<p>The gravitational force generated by the calibrated masses is primarily determined by:<\/p>\n<p><strong>F = m \u00d7 g<\/strong><\/p>\n<p>where:<\/p>\n<p><strong>m<\/strong> = applied mass<br \/>\n<strong>g<\/strong> = gravitational acceleration<\/p>\n<p>The simplified relationship is therefore:<\/p>\n<p><strong>p = (m \u00d7 g) \/ A<\/strong><\/p>\n<p>For precision calibration, relevant correction quantities can additionally be considered, including local gravity, air buoyancy, temperature, pressure deformation and hydrostatic head.<\/p>\n<p>The BH4-400B combines this proven physical reference principle with electronic measurement and automatic calculation functions.<\/p>\n<h2>Single-Piston Configuration<\/h2>\n<p>The manufacturer identifies the model as:<\/p>\n<p><strong>BH4-400B SP<\/strong><\/p>\n<p>The abbreviation <strong>SP<\/strong> denotes the single-piston configuration.<\/p>\n<p>The BH4-400B therefore incorporates:<\/p>\n<p><strong>one precision piston-cylinder system<\/strong><\/p>\n<p>The complete specified measuring range from 5 to 400 bar is generated using this piston-cylinder assembly.<\/p>\n<p>This provides straightforward operation without requiring the operator to switch between separate low-pressure and high-pressure pistons.<\/p>\n<p>For applications requiring pressure generation below 5 bar, the BH4-400B is also available in a dual-piston configuration.<\/p>\n<h2>Tungsten Carbide Piston<\/h2>\n<p>The BH4-400B uses a:<\/p>\n<p><strong>tungsten carbide piston<\/strong><\/p>\n<p>Tungsten carbide provides high hardness, wear resistance and dimensional stability, making it particularly suitable for precision piston-cylinder systems.<\/p>\n<p>The effective piston area is a critical metrological parameter because it directly determines the generated pressure according to the relationship p = F\/A.<\/p>\n<h2>Treated Steel Cylinder<\/h2>\n<p>The cylinder of the <strong>europascal BH4-400B<\/strong> is manufactured from:<\/p>\n<p><strong>treated steel<\/strong><\/p>\n<p>The combination of a tungsten carbide piston and treated steel cylinder provides a robust precision piston-cylinder assembly for hydraulic pressure generation up to 400 bar.<\/p>\n<h2>Automatic BH4 Platform<\/h2>\n<p>The BH4 series combines the physical reference principle of a deadweight tester with automatic operator assistance.<\/p>\n<p>The system includes functions for:<\/p>\n<ul>\n<li>Motorized mass rotation<\/li>\n<li>Dynamic visualization of piston position<\/li>\n<li>Automatic pressure calculation<\/li>\n<li>Display of generated pressure<\/li>\n<li>Measurement of environmental quantities<\/li>\n<li>Digital support for calibration procedures<\/li>\n<\/ul>\n<p>The reference pressure itself continues to be generated physically by the calibrated masses and precision piston-cylinder system.<\/p>\n<h2>Motorized Mass Rotation<\/h2>\n<p>The BH4-400B incorporates electric motorization for rotation of the mass system.<\/p>\n<p>Rotation of the piston helps minimize friction effects between the piston and cylinder and supports free movement of the precision piston.<\/p>\n<p>Unlike a conventional manually operated deadweight tester, the BH4 platform performs this rotation automatically.<\/p>\n<p>This reduces operator workload and is particularly useful for repetitive calibration procedures.<\/p>\n<h2>Dynamic Piston Position Visualization<\/h2>\n<p>Correct piston position is essential for reliable deadweight tester operation.<\/p>\n<p>The integrated calculator provides:<\/p>\n<p><strong>dynamic visualization of the piston position<\/strong><\/p>\n<p>This allows the operator to monitor the piston during the calibration process and determine whether it is operating within the appropriate working position.<\/p>\n<h2>Automatic Pressure Calculation and Display<\/h2>\n<p>The BH4 system automatically calculates the reference pressure generated by the pressure balance.<\/p>\n<p>The system can consider the relevant physical quantities measured by its sensors and display the resulting generated pressure.<\/p>\n<p>This significantly reduces the amount of manual calculation required during calibration.<\/p>\n<h2>Integrated Environmental Measurement<\/h2>\n<p>The BH4 platform incorporates sensors for important environmental quantities.<\/p>\n<p>The manufacturer specifies:<\/p>\n<p><strong>Temperature measurement accuracy: \u00b10.1 \u00b0C<\/strong><\/p>\n<p>and:<\/p>\n<p><strong>Atmospheric pressure measurement accuracy: \u00b11 hPa<\/strong><\/p>\n<p>These measurements support the automatic calculation of the generated pressure under actual operating conditions.<\/p>\n<p>The manufacturer specifies reference calibration conditions of:<\/p>\n<p><strong>Temperature: 20 \u00b0C<\/strong><\/p>\n<p><strong>Atmospheric pressure: 1013.25 hPa<\/strong><\/p>\n<p><strong>Relative humidity: 50 %<\/strong><\/p>\n<p><strong>Gravitational acceleration: 9.80665 m\/s\u00b2<\/strong><\/p>\n<p>If the instrument is operated under different environmental conditions, the calculator can account for the measured variables when determining the generated pressure.<\/p>\n<h2>Non-Magnetic Stainless Steel Calibration Masses<\/h2>\n<p>The BH4 series uses:<\/p>\n<p><strong>non-magnetic stainless steel calibration masses<\/strong><\/p>\n<p>The mass set generates the force acting on the precision piston.<\/p>\n<p>The masses are marked according to the selected pressure unit and are designed for convenient loading onto the mass carrier.<\/p>\n<p>Different units can be selected when configuring the instrument, including bar, kPa and psi.<\/p>\n<h2>Standard or Local Gravity<\/h2>\n<p>The gravitational force generated by the calibration masses depends directly on gravitational acceleration.<\/p>\n<p>The conventional standard value is:<\/p>\n<p><strong>g = 9.80665 m\/s\u00b2<\/strong><\/p>\n<p>The BH4-400B can be supplied for standard gravity or adjusted to a specified local gravity value.<\/p>\n<p>This is important because differences in gravitational acceleration directly affect the force produced by the mass set.<\/p>\n<h2>Hydraulic Operation with Oil<\/h2>\n<p>The <strong>europascal BH4-400B<\/strong> operates hydraulically with:<\/p>\n<p><strong>oil<\/strong><\/p>\n<p>Depending on the configuration, the BH4 series uses mineral or synthetic oil.<\/p>\n<p>The reservoir volume specified for the BH4 platform is:<\/p>\n<p><strong>125 cm\u00b3<\/strong><\/p>\n<p>Correct filling, cleanliness and venting of the hydraulic circuit are important for reliable calibration.<\/p>\n<h2>G1\/2 Connection<\/h2>\n<p>The standard connection for the device under test is a:<\/p>\n<p><strong>G1\/2 swivel connection<\/strong><\/p>\n<p>Other adapters are available as options.<\/p>\n<p>This allows different pressure gauges, sensors, transmitters and other devices under test to be connected to the calibration system.<\/p>\n<h2>Technical Highlights<\/h2>\n<p><strong>Model:<\/strong> europascal BH4-400B<\/p>\n<p><strong>Manufacturer reference:<\/strong> BH4-400B SP<\/p>\n<p><strong>Device type:<\/strong> Automatic Hydraulic Deadweight Tester<\/p>\n<p><strong>Configuration:<\/strong> Single piston<\/p>\n<p><strong>Number of pistons:<\/strong> 1<\/p>\n<p><strong>Measuring range:<\/strong> 5 to 400 bar<\/p>\n<p><strong>Measuring range:<\/strong> 500 to 40,000 kPa<\/p>\n<p><strong>Measuring range:<\/strong> 0.5 to 40 MPa<\/p>\n<p><strong>Measuring range:<\/strong> 50 to 5,800 psi<\/p>\n<p><strong>Maximum pressure:<\/strong> 400 bar \/ 40 MPa<\/p>\n<p><strong>Standard accuracy:<\/strong> 0.01 %<\/p>\n<p><strong>Enhanced accuracy:<\/strong> Up to 0.006 % as an option<\/p>\n<p><strong>Piston material:<\/strong> Tungsten carbide<\/p>\n<p><strong>Cylinder material:<\/strong> Treated steel<\/p>\n<p><strong>Pressure medium:<\/strong> Oil<\/p>\n<p><strong>Instrument weight:<\/strong> Approx. 24 kg<\/p>\n<p><strong>DUT connection:<\/strong> G1\/2 swivel<\/p>\n<p><strong>Operating temperature:<\/strong> 18 to 28 \u00b0C<\/p>\n<p><strong>Temperature measurement:<\/strong> \u00b10.1 \u00b0C<\/p>\n<p><strong>Atmospheric pressure measurement:<\/strong> \u00b11 hPa<\/p>\n<p><strong>Calibration masses:<\/strong> Non-magnetic stainless steel<\/p>\n<p><strong>Standard gravity:<\/strong> 9.80665 m\/s\u00b2<\/p>\n<p><strong>Local gravity:<\/strong> Available<\/p>\n<h2>Technical Data<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Feature<\/th>\n<th>europascal BH4-400B<\/th>\n<\/tr>\n<tr>\n<td>Manufacturer<\/td>\n<td>europascal Aremeca<\/td>\n<\/tr>\n<tr>\n<td>Model<\/td>\n<td>BH4-400B<\/td>\n<\/tr>\n<tr>\n<td>Manufacturer reference<\/td>\n<td>BH4-400B SP<\/td>\n<\/tr>\n<tr>\n<td>Device type<\/td>\n<td>Automatic Hydraulic Deadweight Tester<\/td>\n<\/tr>\n<tr>\n<td>Configuration<\/td>\n<td>Single piston<\/td>\n<\/tr>\n<tr>\n<td>Number of pistons<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>Measuring range<\/td>\n<td>5\u2013400 bar<\/td>\n<\/tr>\n<tr>\n<td>Measuring range<\/td>\n<td>500\u201340,000 kPa<\/td>\n<\/tr>\n<tr>\n<td>Measuring range<\/td>\n<td>0.5\u201340 MPa<\/td>\n<\/tr>\n<tr>\n<td>Measuring range<\/td>\n<td>50\u20135,800 psi<\/td>\n<\/tr>\n<tr>\n<td>Maximum pressure<\/td>\n<td>400 bar \/ 40 MPa<\/td>\n<\/tr>\n<tr>\n<td>Standard accuracy<\/td>\n<td>0.01 %<\/td>\n<\/tr>\n<tr>\n<td>Enhanced accuracy<\/td>\n<td>Up to 0.006 % optional<\/td>\n<\/tr>\n<tr>\n<td>Piston<\/td>\n<td>Tungsten carbide<\/td>\n<\/tr>\n<tr>\n<td>Cylinder<\/td>\n<td>Treated steel<\/td>\n<\/tr>\n<tr>\n<td>Pressure medium<\/td>\n<td>Oil<\/td>\n<\/tr>\n<tr>\n<td>Instrument weight<\/td>\n<td>Approx. 24 kg<\/td>\n<\/tr>\n<tr>\n<td>DUT connection<\/td>\n<td>G1\/2 swivel<\/td>\n<\/tr>\n<tr>\n<td>Operating temperature<\/td>\n<td>18\u201328 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Temperature measurement<\/td>\n<td>\u00b10.1 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Atmospheric pressure measurement<\/td>\n<td>\u00b11 hPa<\/td>\n<\/tr>\n<tr>\n<td>Calibration masses<\/td>\n<td>Non-magnetic stainless steel<\/td>\n<\/tr>\n<tr>\n<td>Motorized mass rotation<\/td>\n<td>Integrated<\/td>\n<\/tr>\n<tr>\n<td>Piston position visualization<\/td>\n<td>Integrated<\/td>\n<\/tr>\n<tr>\n<td>Pressure calculation\/display<\/td>\n<td>Integrated<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>BH4-400B SP vs. BH4-400B DP<\/h2>\n<p>The BH4-400B is available in single-piston and dual-piston configurations.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Feature<\/th>\n<th>BH4-400B SP<\/th>\n<th>BH4-400B DP<\/th>\n<\/tr>\n<tr>\n<td>Piston configuration<\/td>\n<td>Single piston<\/td>\n<td>Dual piston<\/td>\n<\/tr>\n<tr>\n<td>Number of pistons<\/td>\n<td>1<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>Overall coverage<\/td>\n<td>5\u2013400 bar<\/td>\n<td>1\u2013400 bar<\/td>\n<\/tr>\n<tr>\n<td>Low-pressure range<\/td>\n<td>\u2013<\/td>\n<td>1\u201360 bar<\/td>\n<\/tr>\n<tr>\n<td>High-pressure range<\/td>\n<td>5\u2013400 bar<\/td>\n<td>5\u2013400 bar<\/td>\n<\/tr>\n<tr>\n<td>Range overlap<\/td>\n<td>\u2013<\/td>\n<td>5\u201360 bar<\/td>\n<\/tr>\n<tr>\n<td>Accuracy<\/td>\n<td>0.01 %<\/td>\n<td>0.01 %<\/td>\n<\/tr>\n<tr>\n<td>Operation<\/td>\n<td>Automatic<\/td>\n<td>Automatic<\/td>\n<\/tr>\n<tr>\n<td>Pressure medium<\/td>\n<td>Oil<\/td>\n<td>Oil<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The <strong>BH4-400B SP<\/strong> is the straightforward solution when calibration from 5 bar is sufficient and one piston-cylinder system is preferred.<\/p>\n<p>The <strong>BH4-400B DP<\/strong> adds a dedicated low-pressure piston from 1 to 60 bar and therefore extends the overall calibration range down to 1 bar.<\/p>\n<h2>Standard Scope of Delivery<\/h2>\n<p>According to the current manufacturer data sheet, the BH4-400B is supplied with:<\/p>\n<ul>\n<li>Operating instructions<\/li>\n<li>AREMECA calibration certificate traceable to national standards<\/li>\n<li>Product data sheet<\/li>\n<li>0.5 liter of mineral oil<\/li>\n<li>G1\/2 outlet connector<\/li>\n<li>Required tools<\/li>\n<li>OP0002 transport case for the generator<\/li>\n<\/ul>\n<p>Documentation is available in French and English.<\/p>\n<h2>Calibration Certificate Options<\/h2>\n<p>The BH4-400B is supplied with an AREMECA factory calibration certificate traceable to national standards.<\/p>\n<p>An accredited calibration certificate is available as an option.<\/p>\n<p>The manufacturer specifically lists:<\/p>\n<p><strong>COFRAC or DAkkS\/DKD calibration certificate<\/strong><\/p>\n<p>This allows the calibration configuration to be selected according to the quality and traceability requirements of the laboratory.<\/p>\n<h2>Typical Calibration Applications<\/h2>\n<p>The <strong>europascal BH4-400B Automatic Deadweight Tester<\/strong> is suitable for testing, adjustment and calibration of mechanical and electronic pressure measuring instruments, including:<\/p>\n<ul>\n<li>Precision pressure gauges<\/li>\n<li>Digital pressure gauges<\/li>\n<li>Pressure sensors<\/li>\n<li>Pressure transducers<\/li>\n<li>Pressure transmitters<\/li>\n<li>Pressure switches<\/li>\n<li>Hydraulic pressure indicators<\/li>\n<li>Reference pressure instruments<\/li>\n<li>Industrial pressure measuring systems<\/li>\n<\/ul>\n<p>Typical users include professional calibration laboratories, pressure instrument manufacturers, industrial quality assurance departments, research laboratories and calibration service organizations.<\/p>\n<h2>Calibration and Traceability<\/h2>\n<p>Regular calibration is important for maintaining the metrological performance of a precision pressure balance.<\/p>\n<p>The manufacturer recommends calibration approximately every <strong>2 to 5 years depending on use<\/strong>.<\/p>\n<p>Important components and parameters include the piston-cylinder assembly, calibration mass set, effective piston area, pressure coefficient, environmental quantities and gravity value.<\/p>\n<p>The <a href=\"https:\/\/europascal.de\/en\/calibration-services\/\">europascal calibration service<\/a> provides professional calibration solutions for pressure balances, deadweight testers, pressure gauges, sensors, transmitters and other pressure measuring equipment.<\/p>\n<h2>Why Choose the europascal BH4-400B?<\/h2>\n<p>The <strong>europascal BH4-400B Precise Automatic Deadweight Tester<\/strong> combines a pressure range from 5 to 400 bar with 0.01 % standard accuracy and enhanced performance up to 0.006 % as an option.<\/p>\n<p>Its tungsten carbide piston, treated steel cylinder and calibrated mass system provide the physical basis for reliable hydraulic pressure generation.<\/p>\n<p>At the same time, motorized mass rotation, dynamic piston position visualization, environmental measurement and automatic pressure calculation simplify operation compared with a conventional manual pressure balance.<\/p>\n<p>For professional laboratories that regularly calibrate pressure gauges, sensors, transmitters and transducers up to 400 bar, the BH4-400B provides an excellent combination of metrological performance, automation and ease of use.<\/p>\n<p><strong>Looking for the europascal BH4-400B or an automatic hydraulic pressure calibration solution up to 400 bar? Contact europascal for expert advice, system configuration and professional calibration services tailored to your requirements.<\/strong><\/p>\n<p><a href=\"https:\/\/europascal.de\/marke\/aremeca-europascal\/\">Further products from europascal Aremeca can be found here.<\/a><\/p>\n<p><a href=\"https:\/\/en.aremeca-instrumentation.com\/\" target=\"_blank\" rel=\"noopener\">Manufacturer information about the europascal BH4-400B can be found on the official Aremeca Instrumentation website.<\/a><\/p>\n<p><a class=\"download-datasheet\" href=\"#\" data-pdf=\"https:\/\/europascal.de\/wp-content\/uploads\/2026\/07\/europascal-bh4-400b-sp-deadweight-tester-hydraulic.pdf\"><span style=\"color: #0000ff;\"><strong><em>Download Datasheet<\/em><\/strong><\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The <strong>europascal BH4-400B Automatic Deadweight Tester<\/strong> is a high-performance single-piston hydraulic pressure standard for precise calibration from <strong>5 to 400 bar (40 MPa)<\/strong>. With a standard accuracy of <strong>0.01 %<\/strong> and enhanced performance <strong>up to 0.006 % as an option<\/strong>, the BH4-400B combines a tungsten carbide piston with motorized mass rotation, dynamic piston position visualization and automatic pressure calculation. It is an ideal solution for professional calibration laboratories and demanding hydraulic pressure calibration applications.<\/p>\n","protected":false},"featured_media":3096,"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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