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1 GENERAL USER INFORMATION
1.1 LGD Compact introduction
Axetris' laser gas detector (LGD), "LGD Compact", is a system for the continuous monitoring of gases such as
CH
, C
H
, C
H
and CO
4
2
6
2
2
has a very high selectivity to the target gas and features an innovative, patented measurement principle without
the need for a physical reference channel. The system is based on a flow-through cell for extractive gas
measurements at ambient temperature.
Typically one system monitors one gas. Concentration
ranges are customer-specific and can cover 0-100
ppm just as well as percentage range, depending on
the gas and measurement conditions.
Calibration is factory set according to customer
application requirements - generally re-calibration is
not necessary except in cases where the customer
application conditions differ significantly from the
feasible factory calibration conditions. Offset and span
adjustments can be performed on a maintenance
basis and might be necessary due to systematic
differences in calibration and gas delivery equipment.
This can be done via the LGD Customer Frontend
available on the Axetris` homepage.
1.2 General Specifications
Environmental conditions
Parameter
Usage
Operating temperature range
Operating humidity
Operating pressure
Storage temperature
Storage humidity
1
For application specific temperature ranges please see the specifications in the LGD Compact Preliminary Datasheet
Axetris AG
LGD Compact Operating & Integration Instructions; Rev. D
. Based on state-of-the-art
2
Unit
-
°C
% r.H.
mbar
°C
% r.H.
Tunable Diode Laser Spectrometry
Figure 1 LGD Compact Series
Value / Range
Interior use
1
-10 ...+65
0 ... 99, non-condensing
800 ... 1100
-40 ... +80
0 ... 99, non-condensing
(TDLS), the system
10/46
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