[{"data":1,"prerenderedAt":192},["ShallowReactive",2],{"guides-en-GB-development-time-and-roast-logging":3},{"kind":4,"guide":5,"categorySlugs":184},"guide",{"key":6,"slug":6,"slugs":7,"category":15,"order":16,"schema":17,"title":18,"seoTitle":19,"description":20,"excerpt":21,"keywords":22,"published":30,"updated":30,"readingMinutes":31,"cover":32,"related":35,"body":60,"faq":106,"products":113,"sources":126,"paths":127,"slugMap":128,"categorySlug":183},"development-time-and-roast-logging",{"de-DE":8,"fr-FR":9,"es-ES":10,"es-419":10,"pt-BR":11,"pt-PT":12,"it-IT":13,"nl-NL":14},"entwicklungszeit-und-roestprotokoll","temps-de-developpement-et-journal-de-torrefaction","tiempo-de-desarrollo-y-registro-de-tueste","tempo-de-desenvolvimento-e-registro-de-torra","tempo-de-desenvolvimento-e-registo-de-torra","tempo-di-sviluppo-e-registro-di-tostatura","ontwikkeltijd-en-brandlogboek","quality",73,"Article","Development time and roast logging: the business case","Roast Logging and Development Time Explained","Why roast logging and development time matter to a roastery: consistency, training, faster fault-finding, cost per batch and records.","Every batch you do not log is a batch you cannot repeat, explain or improve. What to log, how development time fits in, and what good records save in money and time.",{"primary":23,"secondary":24,"intent":29},"roast logging",[25,26,27,28],"development time ratio coffee","coffee roast log","roast logging software","dtr coffee roasting","informational","2026-10-09",6,{"figure":33,"kicker":34},"DTR","Roast logging",[36,44,52],{"key":37,"slug":37,"category":15,"title":38,"excerpt":39,"readingMinutes":40,"updated":30,"cover":41},"roast-profiling-for-consistency","Roast profiling basics for consistency, not just flavour","A profile is a recipe that anyone trained can repeat. The business value of profiling is not one perfect batch, but the same good batch every week on any shift.",7,{"figure":42,"kicker":43},"RoR","Profiling",{"key":45,"slug":45,"category":15,"title":46,"excerpt":47,"readingMinutes":48,"updated":30,"cover":49},"coffee-roasting-software-buyers-guide","Roastery software buyer's guide: what to look for","Roastery software ranges from free roast loggers to full business platforms. The categories, the questions that separate them, and how to choose for the roastery you will be in two years.",8,{"figure":50,"kicker":51},"Software","Buyer's guide",{"key":53,"slug":53,"category":54,"title":55,"excerpt":56,"readingMinutes":31,"updated":30,"cover":57},"roast-loss-and-shrinkage","running","Roast loss and shrinkage: where your kilos go","Every kilo of green coffee comes out of the roaster lighter. How much lighter depends on the coffee and the roast, and it changes your cost per kilo more than most price negotiations.",{"figure":58,"kicker":59},"15%","Roast loss",[61,63,65,76,78,102,104],{"p":62},"Development time is the time from the start of first crack to the drop. Many roasters also track development time ratio (DTR): development time as a share of total roast time. It is one of several useful markers for comparing batches of the same coffee; it is not a quality score on its own.",{"h2":64},"What a roast log should hold",{"checklist":66,"title":75},[67,68,69,70,71,72,73,74],"Date, time, roaster and operator","Coffee, green lot and charge weight","Charge temperature and settings","Bean and exhaust temperature curves","Events: turning point, end of drying, first crack, drop","Gas or power and airflow changes","Roasted weight (for roast loss) and colour","Notes and any deviation","Per batch",{"h2":77},"The business case",{"table":79},{"head":80,"rows":83},[81,82],"Benefit","Where it shows up",[84,87,90,93,96,99],[85,86],"Consistency","Fewer complaints and lost wholesale accounts",[88,89],"Training","New roasters follow reference curves instead of shadowing for months",[91,92],"Fault finding","A drifting probe, a dirty fan or a wet lot shows in the curves",[94,95],"Cost","Roast loss and energy per batch measured, not guessed",[97,98],"Traceability","Which lots went into which batch, for recalls and claims",[100,101],"Customer trust","Evidence when a cafe says this week's coffee is different",{"h2":103},"Manual vs software logging",{"p":105},"A paper log with readings every 30 seconds works on a small roaster, but it is slow, easy to skip and hard to compare. Software that reads the roaster's probes draws the curves live, marks events, overlays a reference and stores everything against the batch. See the [software buyer's guide](guide:coffee-roasting-software-buyers-guide).",[107,110],{"q":108,"a":109},"What is a good development time ratio?","There is no single right number; it depends on the coffee, the roaster and the style. Use DTR to keep batches of the same coffee consistent rather than as a target in itself.",{"q":111,"a":112},"Can I log roasts without connecting my roaster?","Yes, by hand. Connecting the roaster's probes to logging software records more data with less effort.",[114,118,122],{"target":115,"label":116,"note":117},"page:factory","Factory: free roast logging","Live curves, events, development time and roast loss on every batch.",{"target":119,"label":120,"note":121},"page:download","Download Factory","Free for macOS and Windows.",{"target":123,"label":124,"note":125},"page:hardware","Supported hardware","Probes and roasters you can connect.",[],{"en-US":6,"en-GB":6,"de-DE":8,"es-ES":10,"es-419":10,"fr-FR":9,"it-IT":13,"ja-JP":6,"pt-BR":11,"nl-NL":14,"el-GR":6,"fi-FI":6,"et-EE":6,"lv-LV":6,"lt-LT":6,"sk-SK":6,"sl-SI":6,"pt-PT":12},{"how-to-start-a-coffee-roasting-business":129,"coffee-roastery-business-plan":130,"coffee-roastery-startup-costs":131,"roastery-premises-and-planning-permission":132,"register-a-food-business-as-a-coffee-roaster":133,"haccp-plan-for-coffee-roasters":134,"insurance-for-coffee-roasters":135,"business-structure-for-a-roastery":136,"how-to-price-wholesale-coffee":137,"retail-coffee-pricing":138,"gross-margin-per-kg":139,"roastery-cash-flow":140,"staffing-a-roastery":141,"roastery-production-planning":142,"batch-scheduling-for-roasters":143,"roast-loss-and-shrinkage":53,"roastery-stock-control":144,"choosing-a-coffee-roaster":145,"gas-vs-electric-coffee-roasters":146,"new-vs-used-coffee-roaster":147,"buying-a-used-coffee-roaster-checklist":148,"importing-a-coffee-roaster":149,"afterburners-and-roaster-emissions":150,"roastery-extraction-and-ventilation":151,"commercial-coffee-grinders-for-roasteries":152,"coffee-packing-lines-and-heat-sealers":153,"coffee-roaster-maintenance-schedule":154,"leasing-vs-buying-roastery-equipment":155,"how-to-buy-green-coffee":156,"green-coffee-importers-vs-direct-trade":157,"importing-green-coffee-into-the-uk":158,"green-coffee-contracts-and-incoterms":159,"green-coffee-samples-and-sample-roasting":160,"grading-and-cupping-green-coffee":161,"green-coffee-moisture-and-density":162,"storing-green-coffee":163,"green-coffee-landed-cost":164,"selling-wholesale-coffee-to-cafes":165,"cafe-wholesale-account-terms":166,"coffee-subscription-business":167,"selling-coffee-online":168,"selling-coffee-at-markets-and-events":169,"private-label-coffee":170,"b2b-coffee-pricing-tiers":171,"coffee-labelling-uk":172,"allergens-for-coffee-roasters":173,"vat-on-coffee":174,"coffee-traceability":175,"food-safety-records-for-roasters":176,"roast-profiling-for-consistency":37,"coffee-roastery-qc-programme":177,"production-cupping-protocol":178,"development-time-and-roast-logging":6,"coffee-roasting-software-buyers-guide":45,"when-to-buy-a-second-roaster":179,"contract-roasting":180,"hiring-a-head-roaster":181,"multi-site-roastery":182},"how-to-start-a-coffee-roasting-business","coffee-roastery-business-plan","coffee-roastery-startup-costs","roastery-premises-and-planning-permission","register-a-food-business-as-a-coffee-roaster","haccp-plan-for-coffee-roasters","insurance-for-coffee-roasters","business-structure-for-a-roastery","how-to-price-wholesale-coffee","retail-coffee-pricing","gross-margin-per-kg","roastery-cash-flow","staffing-a-roastery","roastery-production-planning","batch-scheduling-for-roasters","roastery-stock-control","choosing-a-coffee-roaster","gas-vs-electric-coffee-roasters","new-vs-used-coffee-roaster","buying-a-used-coffee-roaster-checklist","importing-a-coffee-roaster","afterburners-and-roaster-emissions","roastery-extraction-and-ventilation","commercial-coffee-grinders-for-roasteries","coffee-packing-lines-and-heat-sealers","coffee-roaster-maintenance-schedule","leasing-vs-buying-roastery-equipment","how-to-buy-green-coffee","green-coffee-importers-vs-direct-trade","importing-green-coffee-into-the-uk","green-coffee-contracts-and-incoterms","green-coffee-samples-and-sample-roasting","grading-and-cupping-green-coffee","green-coffee-moisture-and-density","storing-green-coffee","green-coffee-landed-cost","selling-wholesale-coffee-to-cafes","cafe-wholesale-account-terms","coffee-subscription-business","selling-coffee-online","selling-coffee-at-markets-and-events","private-label-coffee","b2b-coffee-pricing-tiers","coffee-labelling-uk","allergens-for-coffee-roasters","vat-on-coffee","coffee-traceability","food-safety-records-for-roasters","coffee-roastery-qc-programme","production-cupping-protocol","when-to-buy-a-second-roaster","contract-roasting","hiring-a-head-roaster","multi-site-roastery","roasting-quality",{"starting":185,"running":186,"equipment":187,"green-coffee":188,"selling":189,"compliance":190,"quality":183,"scaling":191},"starting-a-roastery","running-a-roastery","roasting-equipment","green-coffee-buying","selling-coffee","compliance","scaling-a-roastery",1791626954285]