Atec Espec-BT Series - Manual (Page 6)

6
Model BTZ-133 BTZ-175 BTZ-175E BTU-133
Temperature Range
-70 to 180°C
(-100 to 354°F)
-20 to 180°C
(-4 to 354°F)
Change Rate
(per IEC 60068 3-5)
3.5°C/m heat-up
3°C/m cool-down 5°C/m heat-up
5°C/m cool-down
2°C/m heat-up
1.6°C/m cool-down
Temperature Fluctuation ± 0.5°C per IEC 60068 3-5
Temperature Gradient ± 1.5°C (up to 100°C) per IEC 60068 3-6
Live Load Capacity 200 W to -40°C 300 W to -40°C 200 W to 0°C
Interior Volume 1.5 cu. ft (42 L)
Interior (W x D x H) 19.6" x 11" x 12" (500 x 280 x 300 mm)
Exterior (W x D x H) 30" x 33.5" x 34" (760 x 850 x 865 mm)
Heaters 500 W 1000 W 500 W
Refrigeration 1/3-hp x2 (cascade) 3/4-hp x2 (cascade) 1/3-hp x1 (single-stage)
Air Circulation 100 cu. ft./min. (2.8 m 3 /min.)
Site Requirements
Power 115V 1ph 60Hz 16A max.
208/230V 1ph 60Hz 12A
max.
230V 1ph 50Hz 12A max. 115V 1ph 60Hz 13A max.
Weight 300 lbs. (136 kg) 350 lbs. (159 kg) 300 lbs. (136 kg)
Sound Level 65 dBA (1 meter away from door)
Heat to Room 5,100 BTU/Hr 9,000 BTU/Hr 3,600 BTU/Hr
Gravity Drain 3/8" NPT
Room Temperature Performance assured when room temp. is steady, 18 to 27°C (65 to 80°F)
Accessories included with each chamber:
RS-232 configurator software by Watlow •
Cable port plug •
Power cable with plug (115V is NEMA 5-20, 208/230V is NEMA 6-20) •
Box of wet-bulb wicks (BTL/BTX) •
Operations & programmer manual, parts list & schematics on CD. •
SPECIFICATIONS - 1.5
cu
.
ft
. MOdElS
BTZ-133: 3.5°C/m
BTZ-175(E): 5°C/m
BTU-133: 2°C/m
-100
-50
50
100
150
0
-70
-35
180
60 120 0 180 240 300 350 min.
1 . 5 cu. ft.
(this page)
4 cu. ft.
(next page)
Chart shows example of heating and cooling ramps during
IEC 60068 3-5 qualification (see page 3).