FABISENSE PTH-221W Indoor Air Quality Monitor for HCHO CO2 and TVOC Malaysia
FABISENSE PTH-221W Indoor Air Quality Monitor for HCHO CO2 and TVOC Malaysia
Content
The FABISENSE PTH-221W Air Quality Monitor combines formaldehyde, carbon dioxide, TVOC, temperature and humidity readings in one desktop instrument. Its large display presents several indoor environmental parameters together, supported by a colour-labelled air quality indicator.
For buyers in Malaysia looking for a monitor for a home, office or bedroom, the PTH-221W offers a convenient way to view multiple readings at one location. Selection should consider the measurement ranges, sensor specifications and intended use of the results.
Five Monitoring Parameters in One Display
The catalogue describes the PTH-221W as a 5-in-1 detector covering:
Formaldehyde — HCHO
Carbon dioxide — CO2
Total volatile organic compounds — TVOC
Temperature
Relative humidity
The illustrated display gives HCHO the largest numerical area, with CO2 and TVOC readings below it. Temperature and humidity appear in a separate lower section.
This arrangement suits users who prefer to view several parameters directly on the instrument.
Formaldehyde Monitoring
The PTH-221W has a listed HCHO measuring range of 0-1.999 mg/m³, with a display resolution of 0.001 mg/m³.
These specifications describe the measurement span and numerical increment. The supplied page does not state HCHO accuracy, sensor technology or cross-sensitivity.
If formaldehyde is your main purchasing priority, request these details before comparing instruments. Display resolution alone does not establish measurement accuracy or chemical selectivity.
For projects requiring a formal report or a specified test method, confirm that the instrument and procedure meet the project requirements.
CO2 Monitoring
The catalogue lists a CO2 range of 365-5000 ppm and a 1 ppm resolution.
The display allows users to view CO2 alongside the other indoor parameters. However, the supplied page does not identify the CO2 sensor technology, accuracy or calibration method.
Buyers requiring a particular sensing method, such as NDIR, should request confirmation rather than assuming it from the CO2 label.
The PTH-221W should also be selected according to the required measurement task. CO2 monitoring and carbon monoxide detection are separate functions; CO detection is not listed for this model.
TVOC Monitoring
The listed TVOC range is 0-9.999 mg/m³, with a resolution of 0.001 mg/m³.
TVOC provides a combined indication associated with volatile organic compounds. The supplied catalogue does not establish compound-specific identification or individual gas measurement capability.
For example, a TVOC reading should not be presented as a verified benzene concentration. Buyers needing a specific chemical measurement should identify that requirement when enquiring.
Temperature, Humidity and Air Quality Indication
The PTH-221W also displays temperature and relative humidity:
ParameterMeasuring rangeDisplay resolutionTemperature0°C to 50°C0.1°C/°F, as listedRelative humidity0%-99% RH1% RH
Temperature and humidity accuracy are not provided on the supplied page.
The display includes an Air Quality Index indicator with labels ranging from Excellent to Poor. The specification table lists AQI levels from 0 to 5.
The catalogue does not explain the index calculation, parameter weighting or category thresholds. Treat this as the device's own air quality indication; it should not be described as Malaysia's official API/IPU.
PTH-221W Catalogue Specifications
ParameterListed specificationModelFABISENSE PTH-221WDescription5-in-1 indoor air quality detectorHCHO range0-1.999 mg/m³HCHO resolution0.001 mg/m³CO2 range365-5000 ppmCO2 resolution1 ppmTVOC range0-9.999 mg/m³TVOC resolution0.001 mg/m³Temperature range0°C to 50°CHumidity range0%-99% RHAQI level0-5Power supplyDC 5 VBatteryBuilt-in 3.7 V, 1000 mAh lithium-polymer batteryCase materialFlame-retardant materialWorking temperature0°C to 40°CProduct dimensions110 × 54.9 × 32 mm
The temperature measurement range extends to 50°C, while the complete-device working temperature is listed as 0°C to 40°C. Confirm the operating conditions in the final manual when assessing installation suitability.
Applications for Homes and Offices in Malaysia
Home and Bedroom Monitoring
The PTH-221W brings several indoor readings onto one screen. It suits buyers who want a desktop display for routine observation without switching between separate instruments.
Choose the monitoring position according to the manufacturer's instructions and allow the instrument to stabilise before recording readings.
Office Environmental Checks
For offices in Puchong, Kuala Lumpur, Johor and Penang, the monitor can provide a convenient local display during routine environmental observations.
When comparing readings, record the location, time, occupancy and ventilation conditions. Consistent records make changes easier to interpret.
Renovation-Related Enquiries
Buyers interested in HCHO and TVOC after furnishing or renovation should confirm sensor accuracy and selectivity before ordering.
The presence of an HCHO display does not, by itself, establish suitability for contractual acceptance testing or a formal indoor air quality assessment.
Frequently Asked Questions
Does the PTH-221W have WiFi?
WiFi, Bluetooth and app connectivity are not listed on the supplied page. The letter “W” in the model name should not be treated as confirmation of wireless capability.
Does it measure PM2.5 or PM10?
Particulate measurement is not listed. Its five parameters are HCHO, CO2, TVOC, temperature and humidity.
Does it measure carbon monoxide?
CO detection is not advertised for this model.
Is the CO2 sensor NDIR?
The catalogue does not identify the CO2 sensing method. Request confirmation if NDIR measurement is required.
Can the battery operate the monitor without external power?
A built-in 1000 mAh battery is listed, but runtime is not specified. Confirm expected operating time and charging instructions before purchase.
Can it store or export readings?
Data logging, historical storage and export functions are not specified on the supplied page.
Is its AQI the same as Malaysia's API?
The catalogue does not establish equivalence. Its AQI should be treated as a device-specific indication.
SEO Meta Description
Explore the FABISENSE PTH-221W indoor air quality monitor for HCHO, CO2, TVOC, temperature and humidity. Enquire with MTM Precision Malaysia.
Contact MTM Precision Sdn Bhd with your target parameters, monitoring location and accuracy requirements to enquire about the FABISENSE PTH-221W Air Quality Monitor.
MTM Precision Sdn Bhd
Showroom & Service Centre: No. 29-1 & 29-2, Jalan Bandar 18, Pusat Bandar Puchong, 47160 Puchong, Selangor, Malaysia
Tel: 03-8080 7172
WhatsApp: +6016-660 7346
Email: mtmpre@yahoo.com
Website: www.mtmpre.com.my
24 Oct 2026
