{"title":"Mahr 844 Bore Gauges","description":"\u003ch3 data-start=\"120\" data-end=\"180\"\u003eMahr 844 Bore Gauges – Precision Measurement Solutions\u003c\/h3\u003e\n\u003cp data-start=\"181\" data-end=\"470\"\u003eDiscover the \u003cstrong data-start=\"194\" data-end=\"228\"\u003eMahr 844 Bore Gauge collection\u003c\/strong\u003e, designed for highly accurate and repeatable internal diameter measurements. Built with German engineering excellence, these gauges deliver exceptional reliability and durability for workshops, inspection labs, and production environments.\u003c\/p\u003e\n\u003cp data-start=\"472\" data-end=\"501\"\u003eThe Mahr 844 series offers:\u003c\/p\u003e\n\u003cul data-start=\"502\" data-end=\"838\"\u003e\n\u003cli data-start=\"502\" data-end=\"586\"\u003e\n\u003cp data-start=\"504\" data-end=\"586\"\u003e\u003cstrong data-start=\"504\" data-end=\"522\"\u003eHigh precision\u003c\/strong\u003e – ensuring consistent results even in demanding applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"587\" data-end=\"672\"\u003e\n\u003cp data-start=\"589\" data-end=\"672\"\u003e\u003cstrong data-start=\"589\" data-end=\"612\"\u003eRobust construction\u003c\/strong\u003e – engineered for long-term stability and wear resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"673\" data-end=\"761\"\u003e\n\u003cp data-start=\"675\" data-end=\"761\"\u003e\u003cstrong data-start=\"675\" data-end=\"690\"\u003eEase of use\u003c\/strong\u003e – ergonomic design for comfortable handling and efficient measuring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"762\" data-end=\"838\"\u003e\n\u003cp data-start=\"764\" data-end=\"838\"\u003e\u003cstrong data-start=\"764\" data-end=\"790\"\u003eWide measurement range\u003c\/strong\u003e – suitable for small to large bore diameters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"840\" data-end=\"1116\"\u003eIdeal for machinists, quality control professionals, and engineers, Mahr 844 Bore Gauges set the standard for accuracy in metrology. Whether for routine inspections or critical tolerance checks, they provide the confidence you need to maintain the highest quality standards.\u003c\/p\u003e\n\u003cp data-start=\"1118\" data-end=\"1266\"\u003eUpgrade your precision toolkit with the trusted performance of \u003cstrong data-start=\"1181\" data-end=\"1205\"\u003eMahr 844 Bore Gauges\u003c\/strong\u003e – the professional choice for bore measurement excellence.\u003c\/p\u003e","products":[{"product_id":"mahr-4192340-digital-lever-bore-gauge-3-point-contact-range-6-12mm-resolution-0-00005-0-001mm-with-intergrated-wireless","title":"Mahr 4192340 - 844 EWRi Digital Lever Bore gauge, 3-Point Contact, Range  6-12mm \/ 0.25-0.4725\", Resolution 0.001mm \/ 0.00005\" with Intergrated Wireless","description":"\u003cp\u003eWith the Micromar 844 EWRi, Mahr has added a digital 3-point inside measuring device to its broad and deep portfolio of handheld metrology, allowing you to check internal diameters conveniently and easily. The focus here is on practical handling.\u003c\/p\u003e\n\u003cp\u003eThe Micromar 844 EWR(i) inside measuring device impresses with its ergonomic handle with pull-back lever for fast, self-centring measurements over the entire measuring range and the rotatable display with touch operation. This allows you to quickly measure diameters of different sizes with one handle  right and left-handed users alike. The stroke path covers the entire application range of the respective measuring head.\u003c\/p\u003e\n\u003cp\u003eHigh reproducibility of measurement results\u003c\/p\u003e\n\u003cp\u003eYou can use the red operating buttons in the lever to trigger a data command or activate the hold function – ideal for situations in which you do not have a direct view of the device display (e.g. in the machine). The spring-loaded measuring force guarantees high reproducibility of the measuring results for measurements such as through holes or blind holes. But not only the lever retraction is new: the integrated rotatable display module also impresses with features such as the touch control buttons with practical direct functions, an extra-hardened glass front and colored LEDs for measured value classification.\u003c\/p\u003e\n\u003cp\u003eAvailable in many sizes\u003c\/p\u003e\n\u003cp\u003eThe Micromar 844 EWR(i) is available in many sizes for measuring ranges from 6 to 100 mm to suit your individual requirements. Three preset and tolerance values are available for dimension presetting. Depending on your requirements, you can choose between different connectivity options: the 44 EWR model with bidirectional data output (cable) or the 44 EWRi model with integrated wireless (radio transmission). Remote operation is ensured via the MarCom Professional software, which can be downloaded free of charge. The Micromar 844 EWRi is also available as a single device or as a set, depending on your requirements.\u003c\/p\u003e","brand":"Mahr","offers":[{"title":"Default Title","offer_id":55757188792700,"sku":"4192340","price":1501.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/9428\/5114\/files\/Mahr4192340DigitalLeverBoregauge.jpg?v=1758038601"},{"product_id":"mahr-4192341-digital-lever-bore-gauge-3-point-contact-range-12-20mm-0-4725-0-775-resolution-0-001mm-0-00005-with-intergrated-wireless","title":"Mahr 4192341 - 844 EWRi Digital Lever Bore gauge, 3-Point Contact, Range  12-20mm \/ 0.4725 - 0.775\", Resolution 0.001mm \/ 0.00005\" with Intergrated Wireless","description":"\u003cp\u003eWith the Micromar 844 EWRi, Mahr has added a digital 3-point inside measuring device to its broad and deep portfolio of handheld metrology, allowing you to check internal diameters conveniently and easily. The focus here is on practical handling.\u003c\/p\u003e\n\u003cp\u003eThe Micromar 844 EWR(i) inside measuring device impresses with its ergonomic handle with pull-back lever for fast, self-centring measurements over the entire measuring range and the rotatable display with touch operation. This allows you to quickly measure diameters of different sizes with one handle  right and left-handed users alike. The stroke path covers the entire application range of the respective measuring head.\u003c\/p\u003e\n\u003cp\u003eHigh reproducibility of measurement results\u003c\/p\u003e\n\u003cp\u003eYou can use the red operating buttons in the lever to trigger a data command or activate the hold function – ideal for situations in which you do not have a direct view of the device display (e.g. in the machine). The spring-loaded measuring force guarantees high reproducibility of the measuring results for measurements such as through holes or blind holes. But not only the lever retraction is new: the integrated rotatable display module also impresses with features such as the touch control buttons with practical direct functions, an extra-hardened glass front and colored LEDs for measured value classification.\u003c\/p\u003e\n\u003cp\u003eAvailable in many sizes\u003c\/p\u003e\n\u003cp\u003eThe Micromar 844 EWR(i) is available in many sizes for measuring ranges from 6 to 100 mm to suit your individual requirements. Three preset and tolerance values are available for dimension presetting. Depending on your requirements, you can choose between different connectivity options: the 44 EWR model with bidirectional data output (cable) or the 44 EWRi model with integrated wireless (radio transmission). Remote operation is ensured via the MarCom Professional software, which can be downloaded free of charge. The Micromar 844 EWRi is also available as a single device or as a set, depending on your requirements.\u003c\/p\u003e","brand":"Mahr","offers":[{"title":"Default Title","offer_id":55757414760828,"sku":"4192341","price":1551.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/9428\/5114\/files\/Mahr4192341DigitalLeverBoregauge_3-PointContact_Range12-20mm_0.4725-0.775_Resolution0.001mm_0.00005_withIntergratedWireless.jpg?v=1758043603"},{"product_id":"mahr-4192342-digital-lever-bore-gauge-3-point-contact-range-20-50mm-0-775-2-resolution-0-001mm-0-00005-with-intergrated-wireless","title":"Mahr 4192342 - 844 EWRi Digital Lever Bore gauge, 3-Point Contact, Range 20-50mm \/ 0.775-2\", Resolution 0.001mm \/ 0.00005\" with Intergrated Wireless","description":"\u003cp\u003eWith the Micromar 844 EWRi, Mahr has added a digital 3-point inside measuring device to its broad and deep portfolio of handheld metrology, allowing you to check internal diameters conveniently and easily. The focus here is on practical handling.\u003c\/p\u003e\n\u003cp\u003eThe Micromar 844 EWR(i) inside measuring device impresses with its ergonomic handle with pull-back lever for fast, self-centring measurements over the entire measuring range and the rotatable display with touch operation. This allows you to quickly measure diameters of different sizes with one handle  right and left-handed users alike. The stroke path covers the entire application range of the respective measuring head.\u003c\/p\u003e\n\u003cp\u003eHigh reproducibility of measurement results\u003c\/p\u003e\n\u003cp\u003eYou can use the red operating buttons in the lever to trigger a data command or activate the hold function – ideal for situations in which you do not have a direct view of the device display (e.g. in the machine). The spring-loaded measuring force guarantees high reproducibility of the measuring results for measurements such as through holes or blind holes. But not only the lever retraction is new: the integrated rotatable display module also impresses with features such as the touch control buttons with practical direct functions, an extra-hardened glass front and colored LEDs for measured value classification.\u003c\/p\u003e\n\u003cp\u003eAvailable in many sizes\u003c\/p\u003e\n\u003cp\u003eThe Micromar 844 EWR(i) is available in many sizes for measuring ranges from 6 to 100 mm to suit your individual requirements. Three preset and tolerance values are available for dimension presetting. Depending on your requirements, you can choose between different connectivity options: the 44 EWR model with bidirectional data output (cable) or the 44 EWRi model with integrated wireless (radio transmission). Remote operation is ensured via the MarCom Professional software, which can be downloaded free of charge. The Micromar 844 EWRi is also available as a single device or as a set, depending on your requirements.\u003c\/p\u003e","brand":"Mahr","offers":[{"title":"Default Title","offer_id":55757418824060,"sku":"4192342","price":2185.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/9428\/5114\/files\/Mahr_4192342_Digital_Lever_Bore_gauge_3-Point_Contact_Range_20-50mm_0.775-2_Resolution_0.001mm_0.00005_with_Intergrated_Wireless.jpg?v=1758044179"},{"product_id":"mahr-4192343-digital-lever-bore-gauge-3-point-contact-range-50-100mm-2-4-resolution-0-001mm-0-00005-with-intergrated-wireless","title":"Mahr 4192343 - 844 EWRi Digital Lever Bore gauge, 3-Point Contact, Range 50-100mm \/ 2-4\", Resolution 0.001mm \/ 0.00005\" with Intergrated Wireless","description":"\u003cp\u003eWith the Micromar 844 EWRi, Mahr has added a digital 3-point inside measuring device to its broad and deep portfolio of handheld metrology, allowing you to check internal diameters conveniently and easily. The focus here is on practical handling.\u003c\/p\u003e\n\u003cp\u003eThe Micromar 844 EWR(i) inside measuring device impresses with its ergonomic handle with pull-back lever for fast, self-centring measurements over the entire measuring range and the rotatable display with touch operation. This allows you to quickly measure diameters of different sizes with one handle  right and left-handed users alike. The stroke path covers the entire application range of the respective measuring head.\u003c\/p\u003e\n\u003cp\u003eHigh reproducibility of measurement results\u003c\/p\u003e\n\u003cp\u003eYou can use the red operating buttons in the lever to trigger a data command or activate the hold function – ideal for situations in which you do not have a direct view of the device display (e.g. in the machine). The spring-loaded measuring force guarantees high reproducibility of the measuring results for measurements such as through holes or blind holes. But not only the lever retraction is new: the integrated rotatable display module also impresses with features such as the touch control buttons with practical direct functions, an extra-hardened glass front and colored LEDs for measured value classification.\u003c\/p\u003e\n\u003cp\u003eAvailable in many sizes\u003c\/p\u003e\n\u003cp\u003eThe Micromar 844 EWR(i) is available in many sizes for measuring ranges from 6 to 100 mm to suit your individual requirements. Three preset and tolerance values are available for dimension presetting. Depending on your requirements, you can choose between different connectivity options: the 44 EWR model with bidirectional data output (cable) or the 44 EWRi model with integrated wireless (radio transmission). Remote operation is ensured via the MarCom Professional software, which can be downloaded free of charge. The Micromar 844 EWRi is also available as a single device or as a set, depending on your requirements.\u003c\/p\u003e","brand":"Mahr","offers":[{"title":"Default Title","offer_id":55757427966332,"sku":"4192343","price":2594.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/9428\/5114\/files\/Mahr_4192343_Digital_Lever_Bore_gauge_3-Point_Contact_Range_50-100mm_2-4_Resolution_0.001mm_0.00005_with_Intergrated_Wireless.jpg?v=1758044418"},{"product_id":"mahr-4192240-ewr-digital-lever-bore-gauge-3-point-contact-range-6-12mm-0-25-0-4725-resolution-0-001mm-0-00005-with-data-output","title":"Mahr 4192240 - 844 EWR Digital Lever Bore gauge, 3-Point Contact, Range  6-12mm \/ 0.25-0.4725\", Resolution 0.001mm \/ 0.00005\" with Data Output","description":"\u003cp\u003eThe Mahr EWR Digital Lever Bore Gauge is a high-precision measuring instrument designed for accurate internal diameter measurements of bores, holes, and cylinders. Featuring a 3-point contact system, it ensures stable and repeatable measurements with excellent alignment, making it ideal for quality control and precision machining applications.\u003c\/p\u003e\n\u003cp\u003eEquipped with a digital display and EWR technology, this gauge offers fast, easy-to-read results and supports wireless data transmission for streamlined documentation and integration into digital quality systems. The ergonomic lever-style operation enables smooth handling and consistent measuring force, reducing operator influence on measurement accuracy.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003e3-point contact for optimal centering and repeatable measurement\u003c\/p\u003e\n\u003cp\u003eDigital display with high-resolution readout\u003c\/p\u003e\n\u003cp\u003eRobust construction for use in demanding workshop environments\u003c\/p\u003e\n\u003cp\u003eIdeal for measuring internal diameters, especially in production settings\u003c\/p\u003e\n\u003cp\u003eWhether used on the shop floor or in a metrology lab, the Mahr EWR Digital Lever Bore Gauge delivers reliable, accurate, and user-friendly internal measurements across a wide range of applications.\u003c\/p\u003e","brand":"Mahr","offers":[{"title":"Default Title","offer_id":55759660515708,"sku":"4192240","price":1445.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/9428\/5114\/files\/Mahr4192340DigitalLeverBoregauge.jpg?v=1758038601"},{"product_id":"mahr-4192241-ewr-digital-lever-bore-gauge-3-point-contact-range-12-20mm-0-4725-0-775-resolution-0-001mm-0-00005-with-data-output","title":"Mahr 4192241 - 844 EWR Digital Lever Bore gauge, 3-Point Contact, Range  12-20mm \/ 0.4725 - 0.775\", Resolution 0.001mm \/ 0.00005\" with Data Output","description":"\u003cp\u003eThe Mahr EWR Digital Lever Bore Gauge is a high-precision measuring instrument designed for accurate internal diameter measurements of bores, holes, and cylinders. Featuring a 3-point contact system, it ensures stable and repeatable measurements with excellent alignment, making it ideal for quality control and precision machining applications.\u003c\/p\u003e\n\u003cp\u003eEquipped with a digital display and EWR technology, this gauge offers fast, easy-to-read results and supports wireless data transmission for streamlined documentation and integration into digital quality systems. The ergonomic lever-style operation enables smooth handling and consistent measuring force, reducing operator influence on measurement accuracy.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003e3-point contact for optimal centering and repeatable measurement\u003c\/p\u003e\n\u003cp\u003eDigital display with high-resolution readout\u003c\/p\u003e\n\u003cp\u003eRobust construction for use in demanding workshop environments\u003c\/p\u003e\n\u003cp\u003eIdeal for measuring internal diameters, especially in production settings\u003c\/p\u003e\n\u003cp\u003eWhether used on the shop floor or in a metrology lab, the Mahr EWR Digital Lever Bore Gauge delivers reliable, accurate, and user-friendly internal measurements across a wide range of applications.\u003c\/p\u003e","brand":"Mahr","offers":[{"title":"Default Title","offer_id":55759660614012,"sku":"4192241","price":1494.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/9428\/5114\/files\/Mahr4192341DigitalLeverBoregauge_3-PointContact_Range12-20mm_0.4725-0.775_Resolution0.001mm_0.00005_withIntergratedWireless.jpg?v=1758043603"},{"product_id":"mahr-4192242-ewr-digital-lever-bore-gauge-3-point-contact-range-20-50mm-0-775-2-resolution-0-001mm-0-00005-with-data-output","title":"Mahr 4192242 - 844 EWR Digital Lever Bore gauge, 3-Point Contact, Range 20-50mm \/ 0.775-2\", Resolution 0.001mm \/ 0.00005\" with Data Output","description":"\u003cp\u003eThe Mahr EWR Digital Lever Bore Gauge is a high-precision measuring instrument designed for accurate internal diameter measurements of bores, holes, and cylinders. Featuring a 3-point contact system, it ensures stable and repeatable measurements with excellent alignment, making it ideal for quality control and precision machining applications.\u003c\/p\u003e\n\u003cp\u003eEquipped with a digital display and EWR technology, this gauge offers fast, easy-to-read results and supports wireless data transmission for streamlined documentation and integration into digital quality systems. The ergonomic lever-style operation enables smooth handling and consistent measuring force, reducing operator influence on measurement accuracy.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003e3-point contact for optimal centering and repeatable measurement\u003c\/p\u003e\n\u003cp\u003eDigital display with high-resolution readout\u003c\/p\u003e\n\u003cp\u003eRobust construction for use in demanding workshop environments\u003c\/p\u003e\n\u003cp\u003eIdeal for measuring internal diameters, especially in production settings\u003c\/p\u003e\n\u003cp\u003eWhether used on the shop floor or in a metrology lab, the Mahr EWR Digital Lever Bore Gauge delivers reliable, accurate, and user-friendly internal measurements across a wide range of applications.\u003c\/p\u003e","brand":"Mahr","offers":[{"title":"Default Title","offer_id":55759660712316,"sku":"4192242","price":2129.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/9428\/5114\/files\/Mahr_4192342_Digital_Lever_Bore_gauge_3-Point_Contact_Range_20-50mm_0.775-2_Resolution_0.001mm_0.00005_with_Intergrated_Wireless.jpg?v=1758044179"},{"product_id":"mahr-4192243-ewr-digital-lever-bore-gauge-3-point-contact-range-50-100mm-2-4-resolution-0-001mm-0-00005-with-data-output","title":"Mahr 4192243 - 844 EWR Digital Lever Bore gauge, 3-Point Contact, Range 50-100mm \/ 2-4\", Resolution 0.001mm \/ 0.00005\" with Data Output","description":"\u003cp\u003eThe Mahr EWR Digital Lever Bore Gauge is a high-precision measuring instrument designed for accurate internal diameter measurements of bores, holes, and cylinders. 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The ergonomic lever-style operation enables smooth handling and consistent measuring force, reducing operator influence on measurement accuracy.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003e3-point contact for optimal centering and repeatable measurement\u003c\/p\u003e\n\u003cp\u003eDigital display with high-resolution readout\u003c\/p\u003e\n\u003cp\u003eRobust construction for use in demanding workshop environments\u003c\/p\u003e\n\u003cp\u003eIdeal for measuring internal diameters, especially in production settings\u003c\/p\u003e\n\u003cp\u003eWhether used on the shop floor or in a metrology lab, the Mahr EWR Digital Lever Bore Gauge delivers reliable, accurate, and user-friendly internal measurements across a wide range of applications.\u003c\/p\u003e","brand":"Mahr","offers":[{"title":"Default Title","offer_id":55759660777852,"sku":"4192243","price":2537.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/9428\/5114\/files\/Mahr_4192343_Digital_Lever_Bore_gauge_3-Point_Contact_Range_50-100mm_2-4_Resolution_0.001mm_0.00005_with_Intergrated_Wireless.jpg?v=1758044418"},{"product_id":"mahr-4191342-44-ewri-digital-bore-gauge-3-point-contact-range-20-50mm-0-775-2-resolution-0-001mm-0-00005-with-intergrated-wireless-copy","title":"Mahr 4191342 - 44 EWRi Digital Bore gauge, 3-Point Contact, Range 20-50mm \/ 0.775-2\", Resolution 0.001mm \/ 0.00005\" with Intergrated Wireless","description":"\u003cp\u003eThe Mahr 44 EWRi Digital Bore Gauge is a high-precision instrument designed for fast, reliable internal diameter measurements in demanding industrial environments. Built with Mahr’s signature focus on accuracy and ease of use, this digital bore gauge features integrated wireless data transmission, allowing seamless data logging without cables ideal for streamlined workflows and digital quality control.\u003c\/p\u003e","brand":"Mahr","offers":[{"title":"Default Title","offer_id":55759797158268,"sku":"4191342","price":2115.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/9428\/5114\/files\/Mahr4191242-44EWRDigitalBoregauge.jpg?v=1758099190"},{"product_id":"mahr-4191343-44-ewri-digital-bore-gauge-3-point-contact-range-50-100mm-2-4-resolution-0-001mm-0-00005-with-intergrated-wireless","title":"Mahr 4191343 - 44 EWRi Digital Bore gauge, 3-Point Contact, Range 50-100mm \/ 2-4\", Resolution 0.001mm \/ 0.00005\" with Intergrated Wireless","description":"\u003cp\u003eThe Mahr 44 EWRi Digital Bore Gauge is a high-precision instrument designed for fast, reliable internal diameter measurements in demanding industrial environments. Built with Mahr’s signature focus on accuracy and ease of use, this digital bore gauge features integrated wireless data transmission, allowing seamless data logging without cables ideal for streamlined workflows and digital quality control.\u003c\/p\u003e","brand":"Mahr","offers":[{"title":"Default Title","offer_id":55759797354876,"sku":"4191343","price":2523.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/9428\/5114\/files\/Mahr4191243-44EWRDigitalBoregauge.jpg?v=1758099221"}],"url":"https:\/\/www.hroberts-di.com\/collections\/mahr-844-bore-gauges.oembed","provider":"H Roberts \u0026 Sons","version":"1.0","type":"link"}