testo 535 CO2 meter for IAQ consultants and HVAC Engineers

The testo 535 is the easiest way to measure CO2 for indoor air quality (IAQ) surveys. Poor air quality in rooms, characterized by high CO2 levels (above 1,000 PPM CO2) and poor air circulation, leads to tiredness, lack of concentration and is associated with Sick Building Syndrome.

Advantages

Tests stationary CO2 transducers in 'demand controlled' ventilating systems
Monitors indoor air quality in offices
Measures the concentration of CO2 from diffusers and return air ducts
Long-term monitoring with maximum and mean calculations
Highly accurate, highly efficient
Repeated calibrations are unnecessary
Quickly prints data on portable testo printer

Testo 535 CO2 meter with extendable probe

Testo 535 CO2 meter in use-ventilator check

Technical data - testo 535
Sensor	2 channel infra red absorption principle
Display Units	ppm/volume %
Display	LCD. 2 Lines 0.433 inch / 11mm digit height
Measuring Range	0 - 9999 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 volume %
Storage temperature	-4.0...158.0 °F, -20... +70 °C
Operating temperature	32.0...122.0 °F, 0... +50 °C
Operation humidity	0.0...99.0 %
Battery type	9V battery
Battery life	>6 hours, auto off 10 minutes
Weight	10.5 oz, 300 g
Dimensions (LxWxH)	7.41 x 2.22 x 1.64 in, 57 x 190 x 42 mm
Warranty	2 years

testo 535 Kit & Accessories	Part Number	Price
testo 535, CO2 meter with integrated probe, batteries and factory calibration certificate	0560 5350	899.00
testo fast IR printer with 1 roll of thermal paper and 4 AA size batteries	0554 0549	349.00
Spare thermal paper for printer (6 rolls) Measurement data documentation legible for up to 10 years	0554 0568	38.00
NIST calibration certificate. CO2 probes; single point calibration at 5000 ppm	0520 0033	call

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testo 535 Carbon Dioxide (CO2) Meter for IAQ Consultants & HVAC Engineers

Technical data - testo 535

testo 535 Kit & Accessories

testo 535 Carbon Dioxide (CO₂) Meter
for IAQ Consultants & HVAC Engineers