{"product_id":"microscope-eyepiece-reticules-graticules-ng12-new-porton-globes-and-circles","title":"Microscope Eyepiece Reticules (Graticules) NG12 New Porton Globes and Circles","description":"\u003ch1\u003eMicroscope Eyepiece Reticules (Graticules) \u003c\/h1\u003e\n\u003ch1 class=\"text-secondary\"\u003eNG12 New Porton Globes and Circles\u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEyepiece Reticle with ruled grid and Globes\/Circles for particle sizing and counting\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe NG12 is particularly useful since the array of globes and circles are conveniently close to where the particles pass. At the end of each band of the sample the mechanical stage is traversed vertically to take in the next band until the whole sample has been covered. Reference: K.R.May, Journal of Scientific Instruments Vol. 42 1965. “A New Graticule for Particle Counting and Sizing.” Pp 500-501.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"text-primary\"\u003eGlass Type and Thickness\u003c\/span\u003e\u003cbr\u003eSoda Lime 1.5mm thick\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"text-primary\"\u003eDiameter Tolerance\u003c\/span\u003e\u003cbr\u003e+0\/-0.1mm\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"text-primary\"\u003eOrientation\u003c\/span\u003e\u003cbr\u003eCorrect reading through glass\u003c\/p\u003e","brand":"Auckland Scientific","offers":[{"title":"16mm","offer_id":58332955246917,"sku":"01B16253","price":138.93,"currency_code":"GBP","in_stock":true},{"title":"19mm","offer_id":58332955279685,"sku":"01B19253","price":138.93,"currency_code":"GBP","in_stock":true},{"title":"20.4mm","offer_id":58332955312453,"sku":"01B20.4253","price":138.93,"currency_code":"GBP","in_stock":true},{"title":"21mm","offer_id":58332955345221,"sku":"01B21253","price":138.93,"currency_code":"GBP","in_stock":true},{"title":"23mm","offer_id":58332955377989,"sku":"01B23253","price":138.93,"currency_code":"GBP","in_stock":true},{"title":"24mm","offer_id":58332955410757,"sku":"01B24253","price":162.96,"currency_code":"GBP","in_stock":true},{"title":"24.5mm","offer_id":58332955443525,"sku":"01B24.5253","price":162.96,"currency_code":"GBP","in_stock":true},{"title":"25mm","offer_id":58332955476293,"sku":"01B25253","price":162.96,"currency_code":"GBP","in_stock":true},{"title":"26mm","offer_id":58332955509061,"sku":"01B26053","price":162.96,"currency_code":"GBP","in_stock":true},{"title":"27mm","offer_id":58332955541829,"sku":"01B27253","price":162.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1066\/1930\/6309\/files\/ng12.jpg?v=1782074843","url":"https:\/\/auckland-scientific.co.uk\/products\/microscope-eyepiece-reticules-graticules-ng12-new-porton-globes-and-circles","provider":"Auckland Scientific Ltd","version":"1.0","type":"link"}