{"title":"Block Heaters","description":"\u003cp\u003eA dry block heater holds tubes in a heated block instead of a water bath; close tube-to-block contact keeps the heat in. OHAUS units take \u003ca href=\"\/en-us\/products\/1-block-dry-block-heaters\"\u003e1\u003c\/a\u003e, \u003ca href=\"\/en-us\/products\/2-block-dry-block-heaters\"\u003e2\u003c\/a\u003e, \u003ca href=\"\/en-us\/products\/4-block-dry-block-heaters\"\u003e4\u003c\/a\u003e or \u003ca href=\"\/en-us\/products\/copy-of-6-block-dry-block-heaters\"\u003e6\u003c\/a\u003e interchangeable modular blocks, chosen from over 40 block types and changed without tools. Digital models run from ambient +5 °C to 120 °C; analog models have a low range (ambient +5 to 100 °C) and a high range (75 to 150 °C). Uniformity within the block is ±0.1 °C at 37 °C, and heat-up takes 16 to 30 minutes depending on size. A digital 2-block model with a lid runs to 100 °C. All show their price and can be ordered online; the blocks are under \u003ca href=\"\/en-us\/collections\/accessories-4\"\u003eLaboratory Accessories\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eDry block heater FAQ\u003c\/h2\u003e\u003ch3\u003eDigital or analog?\u003c\/h3\u003e\u003cp\u003eDigital models give better uniformity and stability for repeatable results and run from ambient +5 °C to 120 °C. Analog models are the economical choice, with a low range up to 100 °C and a high range from 75 to 150 °C.\u003c\/p\u003e\u003ch3\u003eHow many blocks do I need?\u003c\/h3\u003e\u003cp\u003eEach block is drilled for one tube format (blocks have up to 96 wells, from 6.4 to 35 mm across), so count the formats you run at the same time. The units hold 1, 2, 4 or 6 blocks; heat-up time grows with size, from 16 minutes for 1 and 2 blocks to 23 for 4 and 30 for 6.\u003c\/p\u003e\u003ch3\u003eWhy a dry block instead of a water bath?\u003c\/h3\u003e\u003cp\u003eThere is no water to fill, top up or keep clean, and the block holds each tube in close contact with the heat. A water bath still suits vessels that do not fit a block.\u003c\/p\u003e","products":[{"product_id":"1-block-dry-block-heaters","title":"1 Block Dry Block Heaters","description":"\u003cp\u003e\u003cspan\u003eVersatile Dry Block Heaters are ideal for applications that require temperature stability. All units hold one optional interchangeable modular block with over 40 choices.\u003c\/span\u003e\u003c\/p\u003e","brand":"Ohaus","offers":[{"title":"Analog","offer_id":42296099274978,"sku":"OH-30392045","price":674.0,"currency_code":"CAD","in_stock":true},{"title":"Digital","offer_id":42296099307746,"sku":"OH-30392059","price":894.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/61ICmgwwW9L._SL1500.jpg?v=1781128994"},{"product_id":"2-block-dry-block-heaters","title":"2 Block Dry Block Heaters","description":"\u003cp\u003eVersatile block heaters designed for everyday use with accessories for every application.\u003c\/p\u003e","brand":"Ohaus","offers":[{"title":"Digital","offer_id":42296101273826,"sku":"OH-30392080","price":1091.0,"currency_code":"CAD","in_stock":true},{"title":"Analog","offer_id":42296101241058,"sku":"OH-30392052","price":874.0,"currency_code":"CAD","in_stock":true},{"title":"Digital (with Lid)","offer_id":42296226775266,"sku":"OH-30392101","price":2292.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/products\/30392080.jpg?v=1655149843"},{"product_id":"4-block-dry-block-heaters","title":"4 Block Dry Block Heaters","description":"\u003cp\u003eVersatile and dependable block heaters deliver precise, reliable results\u003c\/p\u003e","brand":"Ohaus","offers":[{"title":"Digital","offer_id":42296124932322,"sku":"OH-30392087","price":1392.0,"currency_code":"CAD","in_stock":true},{"title":"Analog","offer_id":42296124899554,"sku":"OH-30392066","price":1284.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/Ohaus_HB4DG_Dry_Block_Heater.jpg?v=1781189553"},{"product_id":"copy-of-6-block-dry-block-heaters","title":"6 Block Dry Block Heaters","description":"\u003cp\u003eProcess more samples with large capacity block heaters that deliver precise, reliable results\u003c\/p\u003e","brand":"Ohaus","offers":[{"title":"Digital","offer_id":42296143642850,"sku":"30392094","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"Analog","offer_id":42296143610082,"sku":"30392073","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/products\/30392073.jpg?v=1641934702"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/collections\/4_Block_Dry_Block_Heaters.jpg?v=1646764868","url":"https:\/\/www.ereinc.com\/en-us\/collections\/block-heaters.oembed","provider":"ERE Inc.","version":"1.0","type":"link"}