Specifications:
Sensor: 2 channel infrared absorption principle
Measurement Range: 0 to 9,999 ppm CO2
(0 to 1 vol. % CO2)
Accuracy: 0 to 5,000 ppm
± (50 ppm CO2 +2 % of m.v.)
5,000 to 9,999 ppm CO2
± (100 ppm +3 % of m.v.)
Resolution: 1 ppm CO2 or 0.001 vol. %
Ambient temperature: 32 to +122°F
Storage temperature: -4 to +160 °F
Battery lifetime: A >8 h
(9 V block, Al-Mn)
Switchover: ppm / vol. %
Display: LCD .5” digit height
Housing: ABS
Dimensions/Instrument: 190 x 57 x 42 mm
Weight: 11 ozs.
Warranty: Measuring instrument: 2 years
Description
testo 535, the efficient CO2 measuring instrument for measuring indoor air quality. Bad air quality in rooms can lead to tiredness, lack of concentration and illness (Sick Building Syndrome) due to high CO2 concentration (greater than 1000 ppm)
- Long-term monitoring based on maximum and mean calculation
- Long-term stable 2 channel infrared sensor
- Highly accurate, highly efficient
|
Display – LCD, 2 lines |
|
|
Storage temperature |
-20 to +70 °C |
|---|---|
|
Operating temperature |
0 to +50 °C |
|
Battery type |
9V block battery |
|
Battery life |
6 h |
|
Weight |
300 g |
|
Dimensions |
190 x 57 x 42 mm |
|
Material/Housing |
ABS |
|
Probe – CO2 |
|
|---|---|
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Meas. Range |
0 to +9999 ppm CO2 |
|
Accuracy |
±(50 ppm CO2 ±2% of mv) (0 to +5000 ppm CO2) ±(100 ppm CO2 ±3% of mv) (+5001 to +9999 ppm CO2) |
|
Resolution |
1 ppm CO2 |
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