PREPARED BY 12/04/09 TJE Model Drawing No. Spc. No. ECSP09018 1/2
A 6/4/10 DPA
B 11/12/10 JIL
C 7/10/12 NKD
D
REVISION
E
BENCHTOP SERIES
LOW TEMPERATURE
AND HUMIDITY
CHAMBER
SPECIFICATION
1. Performance
1.1. Temperature Range -70 to 180°C
1.2. Temperature Fluctuation
1
± 0.5°C
1.3. Temperature Gradient
2
± 1.5°C below 100°C
1.4. Temperature Rate of Change
1
Live LoadModel Dry/Wet
Heaters
Compressor Heating
Average Rate
3
Cooling
Average Rate
-18°C -40°C
BTX-475
1000 W /
500 W
3/4 h.p. X 2 2.75 °C/min 2.5 °C/min 400 watts 300 watts
1.5. Air Circulation 4.0 cu.ft. chamber - 200 cu. ft./min.
1.6 Humidity Range 10 – 95% (without live load) per chart
1.7 Humidity Fluctuation
1
± 5% RH
1.8 Humidity Gradient
2
± 5% RH
1
per IEC 60068 3-5 except measured in supply air
2
per IEC 60068 3-6
3
At voltage specified in section 3.2
2. Dimensions
2.1. Exterior
Model Dimensions (W x D x H) Weight
BTX-475 737 x 847 x 1159 mm 29” x 33.35” x 45.6” 250 kg 550 lbs.
2.2. Interior
Model Dimensions (W x D x H) Volume
BTX-475 498 x 381 x 600 mm 19.6” x 15” x 23.6” 113 liter 4.0 cu. ft.
45
15°C
15
40
10
70°C
20°C
40°C 80°C
60°C
0
20
60
80
100
100°C
85°C
95
%RH
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