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.
Application:
ST-501 is an excellent indoor air quality (IAQ) instrument measuring the carbon dioxide (CO2), Relative Humidity (RH) and Temperature.
- Building HVAC monitoring.
- Indoor air quality survey.
- Locate the presence of combustion fumes from vehicles and appliances.
Specification:
- 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: 75ppm, 8% of reading (0~2000 ppm)
- Display Resolution - 1 ppm
- Datalogging: 50,000 records,
- Fast USB download (50,000 records in less than 10 seconds.)
CO2 Sensor
Type
Non-dispersive infra-red (NDIR)
Measurement Range
0~9999 ppm (2001~9999 ppm over range)
Accuracy
75ppm, 8% of reading (0~2000 ppm)
Resolution
1 ppm
Response Time
2 seconds
Relative Humidity Sensor
Temperature Sensor:
Type
CMOSens
Type
Thermistor
Measurement Range
1% ~99%
Measurement Range
0 to 50C
Accuracy
3.0%RH(20~80%)
5.0%RH(80%)
Accuracy
0.5C from 0-50C
Resolution
0.1%
Resolution
0.1C
Response Time
8 Seconds
Response Time
1 seconds
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
