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TESTO 535 CO2 instrument with probe for HVAC fitters and engineers
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
Repeated calibration is unnecessary
Technical Data
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 type CO2
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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