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FDL (E2.1) 02/2019 page 59/76
17. Technical description
17.1 Factory calibration and adjustment
This chamber was calibrated and adjusted in the factory. Calibration and adjustment were performed us-
ing standardized test instructions, according to the QM DIN EN ISO 9001 system applied by BINDER (cer-
tified since December 1996 by TÜV CERT). All test equipment used is subject to the administration of
measurement and test equipment that is also constituent part of the BINDER QM DIN EN ISO 9001 sys-
tems. They are controlled and calibrated to a DKD-Standard at regular intervals.
17.2 Definition of usable volume
The usable volume illustrated below is calculated as follows:
c
c
b
a
C
B
A
b
a
A, B, C = internal dimensions (W, H, D)
a, b, c = wall separation
a = 0.1*A
b = 0.1*B
c = 0.1*C
V
USE
= (A - 2 * a) * (B - 2 * b) * (C - 2 * c)
Figure 15: Determination of the usable volume
The technical data refers to the so defined usable volume.
Do NOT place samples outside this usable volume.
Do NOT load this volume by more than half to enable sufficient airflow inside the chamber.
Do NOT divide the usable volume into separate parts with large area samples.
Do NOT place samples too close to each other in order to permit circulation between them and
thus obtain a homogenous distribution of temperature and humidity.
17.3 Over current protection
The chamber is equipped with internal fuses not accessible from outside. If these fuses are blown, please
inform an electronic engineer or BINDER service.
17.4 Technical data FDL 115
Exterior Dimensions
Width, net
mm / inch
835 / 32.87
Height gross (including feet)
mm / inch
800 / 31.50
Depth, net
mm / inch
685 / 26.97
Depth gross (including door handle)
mm / inch
735 / 28.94
Wall clearance rear (minimum)
mm / inch
100 / 3.94
Wall clearance side (minimum)
mm / inch
160 / 6.30
Exhaust duct, outer diameter
mm / inch
100 / 3.94
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