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Sper Indoor Air Quality Meter

Item # 182375

Your students can investigate air quality in the classroom, laboratory, or other indoor space with this portable meter. Backlit display indicates CO2 level, humidity, and air temperature, or choose a rotating display of dew point and wet bulb temperature instead of air temperature.

Price

$416.95

In stock and available to ship.

All-in-one meter measures CO2, humidity, dew point, plus air and wet bulb temperatures.

Your students can investigate air quality in the classroom, laboratory, or other indoor space with this portable meter. Backlit display indicates CO2 level, humidity, and air temperature, or choose a rotating display of dew point and wet bulb temperature instead of air temperature. Meter calculates TWA (time-weighted average) and STEL (short-term exposure limit) for CO2 measurements.

Additional features include audible CO2 threshold alarms; hold, min, max, and avg functions; an RS232 computer interface; and simple user calibration. NDIR (nondispersive infrared) CO2 sensor technology ensures long-term accuracy, stability, and reliability. Meter comes in a hard carrying case with 4 AA batteries.

Note: Relative humidity calibration solutions are not included and must be purchased separately.

 
Item# 182375
Air Temperature Accuracy 0.1° C/F
Air Temperature Range -10 to 60° C; 14 to 140° F
Air Temperature Resolution 0.1° C/F
CO2 Accuracy ±30 ppm ±5% reading
CO2 Range 0 to 5,000 rpm
CO2 Resolution 1 ppm:
Dew Point Range -13.3 to 60° C; 8 to 140° F
Dew Point Resolution 0.1° C/F:
Relative Humidity Range 0 to 100%
Relative Humidity Accuracy ±3% (10 to 90%); ±5% (otherwise)
Relative Humidity Resolution 0.1%:
Wet Bulb Temperature Range -73.4 to 60° C; -100 to 140° F
Wet Bulb Temperature Resolution 0.1° C/F:
 
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