supply of ashing furnace and carbolite ax laboratory ovens for obra otps , ashing furnace aaf-327 lit carbolite conforming with iso 1171-2010 astmd3174-042010 and astm d4422 specification: 11000c maximum operating temp . carbolite gero 301 controller with single ramp to set- point & process timer . ideal for ashing coal & other hydrocarbon material . designed to comply with iso 1171:2010 , astm d3174-04:2010 and astm d4422 wire elements are protected from chemical & mechanical damage by a hard wearing alumina based liner . 4 sided heating ( 2 sides , roof & hearth ) . air inlet & tall chimney for better air flow of 4 to 5 changes/min . low chamber height for air flow close to samples for optimum combustion . powerful elements with graded winding compensate for hear loss due to high air flow . preheating of air before it enters the chamber for excellent uniformity . sample tray and loading handle . other specifications: heat-up time-155 mins . max . continuous operating temp- dimensions internal- ( 90x170x455 ) mm dimensions external- ( 650x430x740 ) mm dimensions external with door open- ( 905x 430x 740 ) mm dimensions: height to top chimney- 1060 mm . volume -7 liters . max . power- 4000 watt . holding power-2624 watt . , carbolite ax laboratory ovens , max temp . range-2500c with r38 digital pid controller . specification: max . operating temp . - 2500c chamber vol . -120 litre . equipped with the r38 digital pid temperature controller . fan convection for rapid heating & excellent uniformity . chemically resistant stainless steel liner . two adjustable nickel-chrome plated wire shelves . lever latch door & airtight silicone seal . compliant with safety standard bsen 61010-2-010:2003 routine spares kit .