TENMARS ST-501 CO2/TEMP/RH INDOOR AIR QUALITY METER WITH DATALOGGING FUNCTION: Pinakamahusay na Pilihan sa Subang Jaya, Selangor, Kuala Lumpur (KL), Malaysia. Culmi Air-Cond & Refrigeration Parts Supply Sdn Bhd

Deskripsyon

TENMARS ST-501 CO2/TEMP/RH INDOOR AIR QUALITY METER WITH DATALOGGING FUNCTION

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.

Applications

- 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		0~9999 ppm (2001~9999 ppm over range)
Accuracy		±60ppm, ±5% 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(<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

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