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Testo 535
Air Quality CO2 measurement
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535 Air Quality
CO2 measurement
Testo 535, the
ideal CO2 measuring instrument for building engineers. Bad air
quality in enclosed rooms which is caused by a too high CO2
concentration (> 1000 ppm) can lead to tiredness
lack of concentration
and even to illness (sick building syndrome SBS.)
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The
advantages at a glance.
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Long-term
monitoring using maximum
value and mean calculation
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2 channel
infrared sensor
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long-term
stability
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high
accuracy
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highly
reliable
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repeated
adjustment unnecessary
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The accurate CO2
measuring instrument for building engineers.
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Tests stationary CO2 transducers in
demand controlled ventilating systems (DCV)
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Monitors indoor air quality in open plan offices
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Measures the concentration of CO2 in
ingoing and outgoing air ducts
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Practical accessories:
Topsafe (indestructible protective
case) wall
holder for quickly positioning the measuring instrument with probe
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Technical
Specification
| Sensor |
2 channel
infra red absorption principle |
| Meas.
range |
0.9.999
ppm CO2
(0 to 1% vol. % CO2) |
| Accuracy |
0 to
5,000 ppm
± (50 ppm +2% of m.v.)
5,000 to 9.999 ppm
± (100 ppm +3% of m.v.) |
| Resolution |
1ppm or
0.001 vol% |
| Ambient
temperature |
0 to 50°
C |
| Storage
temperature |
-20 to
+70° C |
| Battery
lifetime |
>
8h
(9 v block Al-Mn) |
| Switchover |
ppm/vol.
% |
| Display |
LCD. 11mm
digit height |
| Housing |
ABS |
| Dimensions/instrument |
190 x 57
x 42mm |
| Weight |
300g |
| Warranty |
Meas.
Instr. 2 years
Probe 1 year |
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