Indoor Air Quality Monitor
ST-501

Product Description

– 3 Independent CO2, humidity and temperature sensors.
– User operated CO2 calibration.
– USB datalogg: 50, 000 records.
– Internal backup battery to maintain date/time setting.
– Power management IC to increase batter efficiency.
– Easy- to-Use PC software for parameter settings and data analysis.
– Internal CO2 alarm buzzer

ST-501 is an excellent indoor air quality (IAQ) instrument measuring the carbon dioxide (CO2), Relative Humidity (RH) and Temperature.
Applications
– Building HVAC monitoring.
– Indoor air quality survey.
– Locate the presence of combustion fumes from vehicles and appliances.
– CO2 Sensing Method: NDIR (Non-Dispersive Infrared)
– Measures: Carbon dioxide in PPM, temperature (F or C), % Relative Humidity
– CO2 Measurement range: 0~9999 ppm (2001~9999 ppm over range)
– CO2 Accuracy: ± 60ppm, ± 5% of reading (0~2000 ppm)
– Display Resolution – ±1 ppm
– Datalogging:17,000 records,
– Fast USB download (50,000 records in less than 10 seconds.)