9 Specifications
12
Using the instrument, these systems can be adjusted and checked for
compliance with the applicable limit values.
The instrument has been verified as a short-term measuring instrument and
should not be used as a safety (alarm) device.
The following tasks can also be carried out using the instrument:
• Regulating the O
2
, CO and CO
2
, NO, NO
x
values in combustion plants to
ensure optimum operation.
• Draught measurement.
• 4Pa measurement.
• Measuring and regulating the gas flow pressure in gas heaters.
• Measuring and optimising the flow and return temperatures of heating
systems.
• Measuring the CO concentration in the ambient air.
• The instrument can be used for measurements on CHP plants in accordance
with the first German Federal Immission Control Ordinance (BImschV).
• In principle, the CO sensor can also be used for measurements on CHP
plants. If you carry out more than 50 measurements on CHP plants per year,
please contact your nearest Testo service centre or send the instrument to
Testo Service for checking.
An NO
x
filter for the CO sensor can be ordered as a spare part to replace a used
filter.
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