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Fournaise à calcination Essais sur matériaux

Fournaise à calcination de Carbolite

Modèle :AAF


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The range of AAF ashing furnaces is designed specifically to provide optimum ashing conditions to ensure complete combustion of the sample.

For those laboratories where ashing is interspersed with other heat treatment work the AAF 12/18 provides all of the advantages of the AAF design, but with a higher maximum operating temperature of 1200 °C.
 

Standard features
  • Ideal for ashing foods, plastics, coal & other hydrocarbon materials
  • Designed to comply with ISO 1171:2010 & ASTM D3174-04: 2010 (AAF 11/3 and AAF 11/7 only)
  • Wire elements are protected from chemical & mechanical damage by a hard wearing alumina based liner (AAF 11/3 and AAF 11/7 only)
  • AAF 11/18 and AAF 12/18 offer protection of the elements from carbon build-up or corrosive atmosphere, using silicon carbide tiles
  • Air inlet & tall chimney give airflow of 4 to 5 changes per minute (AAF 11/3 and AAF 11/7 only)
  • Low chamber height holds airflow close to samples for optimum combustion (AAF 11/3 and AAF 11/7 only)
  • Powerful elements with graded winding compensate for heat loss due to high airflow (AAF 11/3 and AAF 11/7 only)
  • Preheating of air before it enters the chamber gives excellent uniformity (AAF 11/3 and AAF 11/7 only)
  • Large floor area allows for large number of samples
  • AAF 11/3 and AAF 11/7 come complete with sample tray and loading handle
  • AAF 11/18 and AAF 12/18 have two tier rack system doubling the sample capacity

 

Options (specify t hese at time of order)
  • 2 phase electrical supply for AAF 11/7
  • Over-temperature protection (recommended to protect valuable contents & for unattended operation)
  • A range of sophisticated digital controllers, multi-segment programmers and data loggers is available. These can be fitted with RS232, RS485 or Ethernet communications

 

Airflow in AAF 11/3 and AAF 11/7
  1. A tall 50 mm diameter chimney (AAF 11/7), or 35 mm on AAF 11/3, pulls the air through the chamber
  2. Pre-heated air enters the chamber after circulating around the outside of the chamber
    1. Air inlet 

 

Technical data
Model Max
temp
(°C)
Heatup
time
(mins)
Max continuous
operating temp
(°C)
Dimensions:
Internal
H x W x D
(mm)
Dimensions:
External
H x W x D
(mm)
Dimensions:
External with door
open H x W x D
(mm)
Temperature
uniformity of ± 5°C
within H x W x D
(mm)
Volume
(litres)
Max
power
(W)
Holding
power
(W)
Thermocouple
type
Weight
(kg)
AAF 11/3 1100 140 1000 90 x 150 x 250 585 x 375 x 485 800 x 375 x 485 780 3 2100 1270 K 22
AAF 11/7 1100 155 1000 90 x 170 x 455 650 x 430 x 740 905 x 430 x 740 1060 7 4000 2300 K 63
AAF 11/18 1100 70 1000 235 x 196 x 400 705 x 505 x 675 990 x 505 x 675 990 18 7080 3500 K 70
AAF 12/18 1200 70 1100 235 x 196 x 400 705 x 505 x 675 990 x 505 x 675 990 18 7080 3500 R 70
Note:
  • Holding power is measured at 500 °C
  • Heat up time is measured to 100 °C below max, using an empty chamber
  • Maximum power and heat up time based on a 240 V supply

 

Order data
  Item Number Description
   

AAF Series -
ashing and burnoff chamber furnaces

Standard voltages
-120SN -208SN -208TX -230SN -230TX -400TN
110 -
120 V
single
phase
+ N
200 -
210 V
single
phase
+ N
200 -
210 V
three
phase
no N
220 -
240 V
single
phase
+ N
220 -
240 V
three
phase
no N
380 -
415 V
three
phase
+ N
  AAF1103-volts AAF 11/3,  1100°C,  3 litre,  Ashing & Burnoff Chamber Furnace o o - o - -
9 AAF1107-volts AAF 11/7,  1100°C,  7 litre,  Ashing & Burnoff Chamber Furnace o o - o - o
  AAF1118-volts AAF 11/18,  1100°C,  18 litre,  Ashing & Burnoff Chamber Furnace - o o o o o
  AAF1218-volts AAF 12/18,  1200°C,  18 litre,  Ashing & Burnoff Chamber Furnace - o o o o o
 
  Key
• = Default
o = Option available
- = Not available
Models
AAF 11/3 AAF 11/7 AAF 11/7 AAF 12/18
    Temperature controller options ⬇︎ ⬇︎ ⬇︎ ⬇︎
  &02-301 301 single ramp PID controller
  &02-2416 Upgrade to 2416CG PID controller o o o o
  &02-3216P1 Upgrade to 3216P1 o o o o
  &02-3216P5 Upgrade to 3216P5 o o o o
  &02-3508P1 Upgrade to 3508P1 o o o o
  &02-3508P10 Upgrade to 3508P10 o o o o
  &02-3508P25 Upgrade to 3508P25 o o o o
  &02-NanoCR Upgrade to Nanodac CR o o o o
  &02-NanoPR Upgrade to Nanodac PR o o o o
 
    Built in features and options - control options
  TMP-DIGOT-F Digital over-temperature protection o o o o
1 &06-CS Cascade control: chamber furnaces up to 1200°C (includes flexible type N thermocouple in chamber) o o o o
2, 3 &08-232 RS232 Communications o o o o
4 &08-485 RS485 Communications o o o o
  TMP-CALIB Thermocouple and controller calibration certificate (UKAS) o o o o
  &07-04-01 24 hour analogue timeswitch o o o o
  &07-04-02 7 day 24 hour digital timeswitch o o o o
5 &08-06-01 Temperature alarm relay connection o o o o
1 &08-06-02 Program segment output o o o o
6 &08-06-04 Audible alarm with separate cancel button o o o o
  &08-06-05 Audible alarm on over temperature with separate cancel button o o o o
  &14-K-2132 Built in digital temperature indicator (2132 series) for Type K thermocouples o o o -
  &14-N-2132 Built in digital temperature indicator (2132 series) for Type N thermocouples - - - o
  &14-06-63 Remote setpoint input for 3508 controller o o o o
  &14-06-62 Retransmission of setpoint for 3508 controller o o o o
27 TMP-&08-TCSKT-X Panel mounted thermocouple socket for connection to spare Nanodac recording channel
(please specify thermocouple type: X = K, N, R, B, 2)
o o o o
 
    Built in features and options - voltage options
  TMP-2PH-AAF 2 phase - o - -
 
    Built in features and options - gas options
  &11-33 6mm inert gas inlet for chamber furnaces and ovens o o o o
  41-30-21 100mm Flowmeter for chamber furnaces or ovens with gas inlets or retorts (Ar 2-22 l/min) o o o o
  41-30-22 100mm Flowmeter for chamber furnaces or ovens with gas inlets or retorts (CO2 2-20 l/min) o o o o
  41-30-24 100mm Flowmeter for chamber furnaces or ovens with gas inlets or retorts (N2 2-25 l/min) o o o o
  41-30-25 100mm Flowmeter for chamber furnaces or ovens with gas inlets or retorts (O2 2-25 l/min) o o o o
  41-31-1 Solenoid valve with manual switch o o o o
6 41-31-2 Solenoid valve with automatic switch o o o o
 
    Built in features and options - build options
  &11-18-01 Unglazed viewport o o o o
  &11-18-02 Glazed viewport o o o o
  &11-28-01 Sheathed thermocouple calibration port (up to 1300°C) o o o o
  &11-28-03 Unsheathed thermocouple calibration port (12mm diameter) o o o o
 
    Optional Accessories
  00167-3-2051 Tray for AAF 11/3 o - - -
  00167-3-2054 Tray for AAF 11/7 - o - -
  AAF1118-TRAYKIT Tray system for AAF --/18 - - o o
  00125-3-1007 Tray handle for AAF trays o o o o
  40-209-460-0050 Fused silica crucible o o o o
Note:

1. Only available with 3508 or Nanodac series instruments
2. For 301 controller - only available when ordered with digital over-temperature option
3. Not available on R38 or Nanodac instruments
4. Not available on R38, 301 or Nanodac instruments
5. Not available on R38 or 301 instruments
6. Can only be ordered with &08-06-01 or &08-06-02
9. Uses 2 phases of a 3 phase and neutral power supply (extra cost option)
27. Nanodac instruments have 3 spare thermocouple input channels which can be configured to record temperature data from additional thermocouples (or 2 spare channels if cascade option is ordered)



 

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