2 system use – LumaSense Technologies INNOVA 1303 User Manual
Page 15

Chapter 2
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BE1085-14
1303 Multipoint Sampler and Doser
LumaSense Technologies A/S
Page 15 of 60
Fig.2.2. Inserting the fuses into the 1303’s fuse holder
Use two 1,6A slow-blow fuses (LumaSense No. VF0007); Fuses are
supplied with the instrument.
When replacing the fuse-holders, ensure that the direction of the white
arrows on each holder matches the arrows marked on the covering
flap.
2.2 System Use
The 1303 combines with the Gas Monitor and a controlling computer to
provide a system which offers wide-ranging monitoring capabilities. The
1303 makes it possible to perform multi-point air-exchange analyses
and multi-point monitoring tasks in many different situations and envi-
ronments, without changing the system components.
An example air-exchange analysis system is shown in
Fig. 2.3
. In such
a system, the doser/sampler systems of the 1303 are used as follows.
The doser system marks the supply-air of the room with a known
amount of tracer-gas. The sampler system then takes a sample of the
return-air from the room, and delivers the sample to the Gas Monitor
for analysis. While the Gas Monitor performs one analysis, the 1303