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| Temperature
Range |
-35°C
to +175°C |
| Control
Tolerance |
±0.5°C (Measured
at the control sensor after stabilization) |
| Uniformity |
±1.0°C (Variations
throughout the chamber after stabilization, up to +85°C) |
Cool Down Transition
Time (empty)* |
| |
End Temp |
| +23°C |
0°C |
-10°C |
-20°C |
-30°C |
-35°C |
Time
from +23°C:
°C/minute: |
----- |
1
min
23°C/min |
2
min
16.5
°C/min |
4
min
10.8°C/min |
8
min
6.6°C/min |
Ultimate |
Time
from +85°C:
°C/minute: |
4
min
15.5°C/min |
7
min
12°C/min |
9
min
10.6°C/min |
12
min
8.8°C/min |
17
min
6.8°C/min |
Ultimate |
| |
Heat Up Transition Time
(empty)* |
| -30°C
to +85°C |
13
minutes (8.8°C/minute) |
*Note: Transition times are measured after a 2 hour soak at the respective start temperature with an empty chamber, as indicated on the temperature controller, 23°C ambient. Measured with setpoint beyond the start and end temperatures. Does not include the effect of proportional band when approaching setpoint. Performance is reduced by 17% with 50 Hz input power. |
| Live
Load Capacity |
| +23°C |
0°C |
-10°C |
-20°C |
-30°C |
| 4,00
Watts |
2,800
Watts |
2,300
Watts |
1,800
Watts |
1,550
Watts |
Refrigeration
and Heating System |
| Refrigerant |
R-404A
(Dupont HP-62) |
| Compressor |
3.5
HP Copeland scroll compressor. More about Scroll Compressors >> |
| Condenser |
Air
Cooled |
| Heat
of Rejection |
30,200
BTUH (maximum rated chamber load at maximum cooling rate from high
temperature soak) |
| Heater
Power |
4,200
Watts @ 208 V input |
| Air
Flow |
630
cfm |
| |
Instrumentation |
| Temperature
Controller |
Watlow F4 Controller with RS-232 interface, LED readout of temperature, LCD display of other parameters (standard).
Watlow F4T Touch Screen Controller with RS-232, Ethernet interface, 4.3" color graphic touch screen (optional). |
| Limit
Controller |
Independent
high and low temperature limits. Triggers an audible alarm and
shuts down the chamber. Relay contacts provide a safety power interlock
for test sample. |
| Chart
Recorder |
(Optional)
Honeywell DR4300 Series. One pen, 10" circular chart. Mounts in
lower front door. |
 |
| Input
Power Requirements |
| 230
V ±10%, 60 Hz, 3 Phase |
Max
Current Draw 31 A; Recommended Service 40 A |
| 208
V -5/+10%, 60 Hz, 3 Phase |
Max
Current Draw 26 A; Recommended Service 35 A |
Input
may be configured for 230 V or 208 V in the field by changing
jumpers. Three phase load is balanced. Call for other voltages
or 50 Hz operation. Customer power
source must be hard-wired to the chamber by a qualified electrician.
Power cord and plug is not included. |
| |
Physical
Characteristics |
| Inside
Dimensions |
30" W
x 30" H x 30" D
(15.6 cubic feet)
762 mm W x 762 mm H x 762 mm D (442 liters) |
| Outside
Dimensions |
38" W x 78.5" H x 56" D
(nominal)
914 mm W x 1994 mm H x 1422 mm D
Door latch adds 3" to width on right side. |
| Minimum
Installed Clearance |
18"
from the left and right side
24" from the rear |
| Window
Viewing Area |
18"
W x 12" H |
| Access
Ports |
4"
Port on left and right side (two total)
Supplied with foam plugs |
| Weight |
Chamber
Weight: 1,080 pounds
Shipping Weight: 1,220 pounds |
| Sound
Level |
67
dBA in cooling mode (A-weighted, measured 36" from
the front surface, 63" from the floor, in a free-standing environment) |
NOTE: Performance
is typical and based on operation at 23°C (73°F) ambient and
nominal input voltage. Designed for use in a normal conditioned
laboratory. Operation at higher ambient temperatures may result
in decreased cooling performance. Additional ports and shelves
will also affect performance. Operation above 30°C (85°F) or
below 16°C (60°F) ambient is not recommended.
Due to continuous product improvements, specifications subject
to change without notice. |
|
