2
1 General
1.2
Purpose
The
EX-TEC
PM
4
is an electronic handheld device for the de-
tection and measurement of gas concentrations. Equipped with
three sensors, it can be used for the ppm range, the % vol. range
and the LEL range.
The
EX-TEC
PM
4
is available as a diffusion device (without a
pump) or pump device (with an integrated pump).
Note:
These operating instructions describe the func
-
tions of firmware version 2.XXX. The manufac
-
turer reserves the right to make technical changes.
The information provided here refers to a fully
equipped
EX-TEC PM 4
, including pump (pump
device). It also applies for diffusion devices.
1.3
Intended use
According to DVGW Note G 465-4 the device can be used for
the following purposes:
z
Testing in houses/buildings
,
e.g.
measuring minute gas concentrations in buildings and
locating the origin of the gas
z
Testing in enclosed spaces
,
e.g.
measuring the gas concentration in enclosed spaces or
shafts with an increased potential of gas dispersal
z
Warning against explosive gas concentrations
,
e.g.
for monitoring work areas whilst carrying out work to gas
pipes or gas systems
z
Measurement of gas concentrations
,
e.g.
when decommissioning gas systems
WARNING!
The
EX-TEC
PM
4
is not suitable for the location or
analysis of leaks in underground pressure lines.
