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Indoor Air Quality Monitor

  • ST-501 _ Indoor Air Quality Monitor
Price:
Contact us on 03-5888 8866

Specification
Features
Accessories
Product SKU ST-501

Type Non-dispersive infra-red (NDIR)
Measurement Range 0~9999 ppm (2001~9999 ppm over range)
Accuracy ±60ppm, ±5% of reading (0~2000 ppm)
Resolution ±1 ppm
Response Time 2 seconds

Product Description

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

- 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.)

 

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(<20% >80%)

Accuracy

±0.5C from 0-50C

Resolution

0.1%

Resolution

0.1C

Response Time

8 Seconds

Response Time

1 seconds

Power Supply

Battery

Four AAalkaline batteries x4

Battery Operation

about 24 hours

External Power Supply

6V VDC with 0.5A

 

 

 

 

 

 

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.