289
F
FURNACES
Ashing & Burn-off
AAF 11/7
Model
Max
temp
(°C)
Heat
up
time
(mins)
Dimensions
Vol.
(Liters)
Max
power
(W) Thermocouple
type
Weight
(kg)
Power
supply
Inside (mm)
Outside (mm)
H (door open)
Holding
power
(W)
AAF 11/3
1100 140 H90xW150xD250
H585xW375xD485
(800)
780 height to top of chimney
3 2100
1270
K
22 Single
AAF 11/7
1100 155 H90xW170xD455
H650xW430xD740
(905)
1060 height to top of chimney
7 4000
2300
K
63 Single
2 phase
AAF 11/18
1100 70 H235xW196xD400
H705xW505xD675
(990)
1015 height to top of chimney
18 7080
3500
K
70 Universal
AAF-11 Series, 1100
O
C Ashing Furnaces.
3, 7 Or 18 Liter
●
1100
O
C maximum operating temperature
●
Ideal for ashing foods, plastics, coal & other hydrocarbon
materials
●
Designed to comply with BS 1016-104.4: 1998,
ISO 1171:1997, ASTM D2361-02, & ASTM D3174-04
(3 & 7 Liter models only)
●
Wire elements are protected from chemical &
mechanical damage by a hard wearing alumina based
liner
●
AAF 11/18 offers increased protection of the elements
from carbon & corrosive atmospheres using silicon
carbide tiles
●
Air inlet & tall chimney give airflow from 4 to 5 changes
per minute
●
Low chamber height holds airflow close to samples for
optimum combustion
●
Powerful elements with graded winding compensate for
heat loss due to high airflow
●
Preheating of air before it enters the chamber gives
excellent uniformity
●
Large floor area allows for large number of samples
●
AAF 11/18 has two tier shelf doubling sample capacity
●
Racks & hearth trays as below.
Options:
2 phase electrical supply for AAF 11/7.
Continuous operating temp. is 100°C below maximum temp.
Holding power is measured at the continuous operating
temperature.
Standard accessories:
Trays supplied with
furnaces
A tall, 50mm dia. chimney pulls
the air through the chamber
silently & reliably.
Pre-heated air enters the
chamber after circulating around
the outside of the muffle.
Model
2 tier rack
system for
sample
trays with
80mm gap
Non-
perforated
sample
trays(gty)
W x D (mm)
Perforated
sample trays
(gty)
W x D (mm)
Load-
ing
handle
AAF
11/3
-
(x1) 133x200
-
(x1)
AAF
11/7
-
(x1) 163x326
-
(x1)
AAF
11/18
(x1)
-
(x2) 163x326 (x1)
