{"schemaVersion":"ready-scan.resource-sources.v1","locale":"en","path":"/sources/source-8b818b53216f6bd4","canonicalUrl":"https://knowledge.readyscan.ai/sources/source-8b818b53216f6bd4","machineUrl":"https://knowledge.readyscan.ai/discovery/sources/source-8b818b53216f6bd4.json","page":1,"pageSize":48,"totalCount":1,"totalPages":1,"previous":null,"next":null,"kind":"source","source":{"id":"source-8b818b53216f6bd4","url":"https://helgroup.com/products/battery-testing/","title":"HEL Group (United Kingdom): /products/battery-testing/","publisher":"helgroup.com","publicationCount":1,"modifiedOn":"2026-10-26","path":"/sources/source-8b818b53216f6bd4","canonicalUrl":"https://knowledge.readyscan.ai/sources/source-8b818b53216f6bd4","machineUrl":"https://knowledge.readyscan.ai/discovery/sources/source-8b818b53216f6bd4.json"},"items":[{"key":"subject:Q56584766","citations":[{"id":"source-8b818b53216f6bd4","url":"https://helgroup.com/products/battery-testing/","title":"HEL Group (United Kingdom): /products/battery-testing/","publisher":"helgroup.com","accessedOn":"2026-10-26"}],"editions":[{"language":"en","title":"HEL Group (United Kingdom)","description":"Company in Borehamwood, United Kingdom.","path":"/entities/hel-group-united-kingdom-q56584766","canonicalUrl":"https://directory.readyscan.ai/entities/hel-group-united-kingdom-q56584766","machineUrl":"https://directory.readyscan.ai/discovery/entities/hel-group-united-kingdom-q56584766.json","modifiedOn":"2026-10-26"}],"subject":{"slug":"hel-group-united-kingdom-q56584766","name":"HEL Group (United Kingdom)","questions":[{"question":"Which battery testing instrument do I need?","path":"/entities/hel-group-united-kingdom-q56584766#company-answer-content-native-digital-agencies-e118d09ec187165b-a-3ee87fdbc550266e8521"},{"question":"What is the difference between adiabatic and isothermal calorimetry?","path":"/entities/hel-group-united-kingdom-q56584766#company-answer-content-native-digital-agencies-e118d09ec187165b-a-2150c6c85c65719f34c6"},{"question":"Are the BTC calorimeters ARC-type battery calorimeters?","path":"/entities/hel-group-united-kingdom-q56584766#company-answer-content-native-digital-agencies-e118d09ec187165b-a-58d5c837539824d847e2"},{"question":"Why not just use an environmental chamber?","path":"/entities/hel-group-united-kingdom-q56584766#company-answer-content-native-digital-agencies-e118d09ec187165b-a-6a4889f08af03b2b863a"}],"facts":[{"id":"content-native-digital-agencies-e118d09ec187165b-a-3ee87fdbc550266e8521","label":"Which battery testing instrument do I need?","value":"“It depends on what you are trying to learn. If you need to know how a cell fails — onset of self-heating, thermal runaway, pressure rise, gas evolution and propagation — you need adiabatic calorimetry: the BTC-130 for cell components, coin cells and small cells, the BTC-500 for full cells, modules and small packs.”","path":"/entities/hel-group-united-kingdom-q56584766#company-fact-content-native-digital-agencies-e118d09ec187165b-a-3ee87fdbc550266e8521","questionPaths":["/entities/hel-group-united-kingdom-q56584766#company-answer-content-native-digital-agencies-e118d09ec187165b-a-3ee87fdbc550266e8521"]},{"id":"content-native-digital-agencies-e118d09ec187165b-a-2150c6c85c65719f34c6","label":"What is the difference between adiabatic and isothermal calorimetry?","value":"“Adiabatic calorimetry tracks the sample temperature so that no heat is lost to the surroundings. A self-heating reaction therefore accelerates exactly as it would in a large cell or pack, giving worst-case onset temperature, self-heat rate, adiabatic temperature rise and pressure data.”","path":"/entities/hel-group-united-kingdom-q56584766#company-fact-content-native-digital-agencies-e118d09ec187165b-a-2150c6c85c65719f34c6","questionPaths":["/entities/hel-group-united-kingdom-q56584766#company-answer-content-native-digital-agencies-e118d09ec187165b-a-2150c6c85c65719f34c6"]},{"id":"content-native-digital-agencies-e118d09ec187165b-a-58d5c837539824d847e2","label":"Are the BTC calorimeters ARC-type battery calorimeters?","value":"“Yes. The BTC-130 and BTC-500 are adiabatic (ARC-type) battery calorimeters: they track the cell temperature so no heat is lost, and measure onset temperature, self-heating rate (dT/dt), critical temperature and adiabatic temperature rise through to thermal runaway.”","path":"/entities/hel-group-united-kingdom-q56584766#company-fact-content-native-digital-agencies-e118d09ec187165b-a-58d5c837539824d847e2","questionPaths":["/entities/hel-group-united-kingdom-q56584766#company-answer-content-native-digital-agencies-e118d09ec187165b-a-58d5c837539824d847e2"]},{"id":"content-native-digital-agencies-e118d09ec187165b-a-6a4889f08af03b2b863a","label":"Why not just use an environmental chamber?","value":"“An environmental chamber holds a set temperature, so it carries the cell’s own heat away. Self-heating is damped, onset temperatures look higher than they are and runaway rates are under-estimated — and the cell’s pressure and gas behaviour is not measured at all.”","path":"/entities/hel-group-united-kingdom-q56584766#company-fact-content-native-digital-agencies-e118d09ec187165b-a-6a4889f08af03b2b863a","questionPaths":["/entities/hel-group-united-kingdom-q56584766#company-answer-content-native-digital-agencies-e118d09ec187165b-a-6a4889f08af03b2b863a"]}]},"selected":{"language":"en","title":"HEL Group (United Kingdom)","description":"Company in Borehamwood, United Kingdom.","path":"/entities/hel-group-united-kingdom-q56584766","canonicalUrl":"https://directory.readyscan.ai/entities/hel-group-united-kingdom-q56584766","machineUrl":"https://directory.readyscan.ai/discovery/entities/hel-group-united-kingdom-q56584766.json","modifiedOn":"2026-10-26"}}],"versionId":"fnv1a64:6f60deeee582d0be"}