Pharma Carbolite Chamber furnaces -1800c


CWF 11/5

Max temp (°C) 1100
Max continuous operating temp (°C) 1000
Volume (litres) 5

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Heat-up time (mins) 47
Internal H x W x D (mm)
135 x 140 x 250
External H x W x D (mm)
585 x 375 x 485
External with door open H x W x D (mm)
800 x 375 x 485
Temperature uniformity of ± 5°C within H x W x D (mm) 85 x 90 x 110
Max power (W) 2400
Holding power (W) 790
Thermocouple type R
Weight (kg) 30

CWF 11/13

Max temp (°C) 1100
Max continuous operating temp (°C) 1000
Volume (litres) 13


  • 1100°C, 1200°C or 1300°C maximum operating temperature
  • 5, 13, 23, 36 or 65 litre chamber volumes
  • Carbolite Gero 301 controller, with single ramp to set-point & process timer (CWF & CWF-B)
  • 3216CC controller, with single ramp to set-point & process timer (CWF-BAL)
  • Vertical lift door keeps heated surface away from the user
  • Soft closing door on 5, 13, 21 & 23 litre models
  • Delayed start / process timer function as standard
  • Hard wearing alumina element carrier, furnace entrance and hearth
  • Energy efficient low thermal mass insulation
  • Free radiating wire wound elements for optimum uniformity
  • Easy access to elements & controls simplifies maintenance & servicing
  • CWF-B: Enhanced airflow from tall chimney & door vents for full combustion
  • CWF-BAL: With integrated balance that runs independently of the furnace control system
  • CWF-BAL: Software supplied with the balance may be used to monitor the balance reading via a computer
  • CWF-BAL: Maximum capacity of balance is 3 kg with a resolution of 0.01 g (other capacities available)


  • A range of sophisticated digital controllers, multisegment programmers and data loggers with digital communication options is available – more information about controllers
  • Over-temperature protection (recommended to protect valuable contents & for unattended operation)
  • A range of metallic retorts to work with modified atmospheres up to 1150°C
  • Bespoke specifications are available for AMS2750F (Nadcap) compliant applications
  • CWF-BAL: 8 kg balance with a resolution of 0.1 g


Airflow in CWF-B

  1. Air inlets through the door plug
  2. Airflow through the chamber promotes burning of the samples
  3. Chimney pulls air through the chamber


Airflow in CWF-B