{"product_id":"model-snf-free-swelling-index-furnace-fsi-220-240-v-1-50-60-hz-4-amps-carbolite-snf","title":"Carbolite-Gero Model SNF Free Swelling Index Furnace (FSI) 220-240 V\/1\/50-60 Hz\/4 Amps,  Verder Scientific, SNF-120SN","description":"\u003cp\u003eThe Model SNF furnace is used in the determination of the crucible swelling number of coal in accordance with ISO 501. Maximum temperature is 900º C.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaximum temperature is 900º C. Heating elements are Yttria stabilized Iron Chrome Aluminum alloy resistance wire wound around a SiO2 tube. The temperature sensor is NiCr\/NiAI thermocouple Type K.\u003c\/li\u003e\n\u003cli\u003eThe nature of the test requires the heating furnace lid is open. As a safety measure, a 30mA residual current circuit breaker is built into the furnace. Available with an over-temperature protection option.\u003c\/li\u003e\n\u003cli\u003eThe power control is and encapsulated solid-state relay with zero voltage switching control and over voltage spike protection.\u003c\/li\u003e\n\u003cli\u003eThe control circuit includes power-on indication, instrumentation on\/off switch and a heater on light, in parallel with the heating elements. The temperature controller provides status information and in the event of thermocouple failure, will shut down the furnace.\u003c\/li\u003e\n\u003cli\u003eAvailable with an over-temperature protection option.\u003c\/li\u003e\n\u003cli\u003eCrucibles, crucible lids and holder must be ordered separately.\u003c\/li\u003e\n\u003cli\u003eFurnace chamber dimensions: 55mm D x 85mm Deep; 330mm H x 410mm W x 300mm D. Overall dimensions: 330mm H x 410mm W x 300mm D. Net weight is 26kg.\u003c\/li\u003e\n\u003cli\u003ePower rating is 950W.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Verder Scientific","offers":[{"title":"EA (1)","offer_id":51111697678651,"sku":"Z90-7928-01-EA","price":5290.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/Z90-7928-01.png?v=1784722564","url":"https:\/\/preiser.com\/products\/model-snf-free-swelling-index-furnace-fsi-220-240-v-1-50-60-hz-4-amps-carbolite-snf","provider":"Preiser Scientific","version":"1.0","type":"link"}