Thermo Scientific 3907 Operating Manual page 52

| Specifications
Chapter 12
Temperature Performance without
Humidity Control (at ambient temperature
22°C +/-3°C)
Heat up / cool down time (work space
unoccupied), from ambient temperature of
22°C (72 °F) to (according to DIN12880)
typical value / max. value
Recovery time (work space unoccupied),
(door opening 30 sec, according to
DIN12880) typical value / max. value
Temperature stability, temporal
mid of work space according to DIN12880
at 20°C to 37°C (68°F to 99°F)
Temperature uniformity between 25°C to
37°C (77°F to 104°F),
spatial according to DIN12880 at
typical value / max. value
Temperature Performance with Humidity
Control (at ambient temperature 22°C
+/-3°C)
Heat up / cool down time (work space
unoccupied), from ambient temperature
of 22°C (72 °F) to (according to
DIN12880), typical value / max. value
Recovery time (work space unoccupied),
(door opening 30 sec, according to
DIN12880), typical value / max. value
Temperature & humidity stability, temporal
mid of work space according to DIN12880
at 20 °C to 37 °C (68 °F, 99 °F)
Temperature uniformity between 25°C
to 37°C, spatial according to DIN12880
at typical value / max. value
Calibrated Climate Conditions / Tem-
perature Conditions (measuring point is
chamber center)
|
12-2 Model 3907 & 3948
Unit
0°C (32°F)
37°C (99°F)
min
60°C (140°F)
0°C (32°F)
min 37°C (99°F)
60°C (140°F)
C°
Unit
5°C (41°F) / 80% RH
30°C (86°F) / 75% RH
min
60°C (140°F) / 75%
5°C (41°F) / 80% RH
min 30°C (86°F) / 75% RH
60°C (140°F) / 75%
°C /
% RH
°C
°C (°F) /
% RH
Models
3907 3948
65 / 75 110 / 115
25 / 30 55 / 60
50 / 60 115 / 125
10 / 12 6 / 8
10 / 12 3 / 5
12 / 14 10 / 12
≤ ± 0.1
≤ ± 0.1
≤ ±0.3 / ± 0.4
Models
3907
35 / 40
15 / 20
47 / 52
7 / 9
5 / 7
10 / 13
≤ ± 0.1
≤ ± 5
≤ ±0.3 /
± 0.4
40 (104) / 75
3948
65 / 70
20 / 25
80 / 85
6 / 8
2 / 4
10 / 13
≤ ± 0.1
≤ ± 5
≤ ±0.3 /
± 0.4
Thermo Scientific