ST-501

Product Price $ 10
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ST-501-Require

ST-501

ST-501  Indoor Air Quality (IAQ) Monitor

 
It is an excellent indoor air quality (IAQ) instrument measuring
the carbon dioxide (CO2), Relative Humidity (RH) and Temperature.
 

Application

  • Building HVAC monitoring.
  • Indoor air quality survey.
  • Locate the presence of combustion fumes from vehicles and appliances.
 
 
 
 

Features

  • 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.
    Power Supply
     Battery  4 AA batteries
     Battery operation  24 hours
     External power supply  5V~6V VDC with 0.5A
 
 

Specifications

  • 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.)
 
 
Electrical specifications 
CO2 Sensor
 Type
 Non-dispersive infra-red (NDIR)
 Measurement
 range
 0~9999ppm
 Accuracy
 ±60ppm or ±5% of reading
 Resolution
 ±1ppm
 Response time
 Reaches 90%
 in approximately 2 minutes

General
 Operation condition
 32°F~122°F (0°C~50°C)
 0~95%,RH,non-condensing
 Storage temperature
 -4°F~140°F (-20°C~60°C)

Relative Humidity Sensor
 Type
 CMOS Sensor
 Measurement range
 1%~99%
 Accuracy
 ±3.0%RH (20%~80%) at 25°C
 ±5.0%RH (<20%,>80%) at 25°C
 Resolution
 0.1%
 Response time
 8 seconds



 

Accessories

 

Download

File type
file name
Format
Download
ST-501
PC SOFTWARE & DRIVER INSTALLATION
exe
Dowload
ST-501
EN.User's Manual
PDF

Dowload

 

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