PAGE 9
T E C A L 4 2 5 S O P E R A T O R ’ S M A N U A L
Specification
The figures stated in the specification are as measured 0-50 mm from the
base of the well of the insert, using an SPRT, at the time of calibration.
Measuring zone
0 to 50 mm
0" to 2"
from base of well
from base of well
Depth of well in insert
114.3 mm
4.5"
Temperature range
20°C
above ambient
36°F
above ambient
to 425°C
to 797°F
Temperature accuracy in measuring zone ±0.3°C
±0.54°F
Temperature uniformity in measuring zone ±0.2°C at 300°C
0.36°F at 542°C
Temperature stability after 10 min
±0.05°C
±0.09°F
Display resolution
0.1°C
0.1°F
Heat up rate
15 minutes
20°C to 400°C
68°F to 752°F
Cool down rate
25 minutes
400°C to 100°C
752°F to 182°F
Fan cooling
Automatic
Comms Port 9way D type
Full bi-directional RS232
Dimensions
Height
272mm
10.7"
Width
185mm
7.28"
Depth
439mm
17.28"
Wells in the block:
Central Well for insert, see the list of inserts at the back of this book
Depth
130mm
5.1"
Diameter
38.2mm
1.5"
Reference well*
Depth
101.6mm
4"
Diameter
6.6mm
0.26"
Working conditions
The Tecal units are designed to work safely under the following conditions:
Ambient temperature range
5°C to 40°C
Humidity
Up to 95% relative humidity, non-condensing
Note:
The control specifications quoted are for an ambient temperature
range of 10°C to 30°C. The specification may deteriorate outside this range
but the unit will still work safely.
Radio frequency interference tested and passed to EN50081-1.
Immunity Tested and passed to EN50082-1
Packing
When you receive your unit, make sure you keep the original packing in
case you ever need to return it for service or repair. When returning a unit,
remember to remove the insert from the temperature controlled block.
The unit must be transported in the original packing to avoid damage. The
packing comprises; the unit in the soft carrying case packed with foam into
an outer cardboard box. Techne accepts no responsibility for damage
incurred unless the unit is correctly packed and transported in this way.
