DX4040 INSTRUCTION AND OPERATING MANUAL (E2.04)
Measurement principle:
FTIR (Fourier Transform Infrared) spectroscopy
Performance:
Simultaneous analysis of up to 25 gas compounds (PDA),
50 gas compounds with optional Calcmet software
Response time, T
90
:
Typically < 120 s, depending on the gas flow and
measurement time
Operating temperature:
Ambient temperature
Short term 0 - +40 °C
Long term +5 - +30 °C
< 90 % relative humidity, non-condensing
Storage temperature:
10 - 35 °C, non-condensing, dry place (battery: store at 15 -
50 % state of charge with temperature preferably not
exc30 °C)
Shipping temperature:
-20 - 45 °C during 12 hours, non-condensing
Power supply:
Battery: 11.25 VDC lithium-ion battery 153.0 Wh
AC/DC PSU: 100 - 240 VAC, 50 - 60 Hz 120W
Analyser supply:
DC supply 15V – 20V
DC
100W MAX.
Battery functioning time: Approximately 2.5 hours operation time with Bluetooth ON
(dependent of ambient temperature)
4.2.2
Spectrometer
Interferometer:
Gasmet Technologies Oy’s GICCOR interferometer
Resolution:
8 cm
-1
Scan frequency:
10 scans / s
Aperture:
1’’
Detector:
Peltier cooled mercury cadmium telluride (MCT) detector
Infrared source:
Ceramic (SiC), at 1550 K temperature
Beam splitter:
ZnSe
Optical window material: ZnSe
Wave number range:
900 – 4200 cm
-1
with ZnSe/MCTP
Laser:
Helium-neon laser tube, maximum output power: ≥ 0.8 mW,
wavelength: 632.8 nm. Laser safety information is available
in appendix.
4.2.3
Sample Cell
Structure:
Multi-pass; fixed path length 9.8 m
Material:
100 % rhodium coated aluminium
Mirrors:
Fixed, protective gold coating
Volume:
0.4 litres
Connectors (front panel): Festo 6 mm push-in fittings for SAMPLE IN, SAMPLE OUT,
ZERO IN and interferometer PURGE
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