ST-501 _ Indoor Air Quality Monitor

Product Price $ 10
count:

ST-501 _ Indoor Air Quality Monitor-Require

ST-501 _ Indoor Air Quality Monitor

ST-501 _ Indoor Air Quality Monitor

- 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: ± 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.)

CO2 Sensor

Type

Non-dispersive infra-red (NDIR)

Measurement range

0 to 9999ppm

Accuracy

±60ppm or ±5% of reading

Resolution

±1ppm

Response time

2 seconds

 

General

Operation condition

 

32°F-122°F (0°C-50°C)

0-95%,RH,non-condensing

Storage temperature

-4°F to 140°F (-20°C to 60°C)

 

Power Supply

Battery

4 AA batteries

Battery operation

24 hours

External power supply

5V~6V VDC with 0.5A

 

Relative Humidity Sensor

Type

CMOS Sensor

Measurement range

1%-99%

Accuracy

 

±3.0%RH (20%~80%)

±5.0%RH (<20%,>80%)

Resolution

0.1%

Response time

8 seconds

 

 

 

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