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Choose by the reading you need: temperature and relative humidity, PM2.5, CO2, or a documented combination. Check the exact model before buying.
If you are interested in more details, you can find full information on the seller's page.
Electronic formaldehyde and temperature monitor with an included alarm.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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Formaldehyde and temperature monitor Electronic type
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ELECALL EM91 Digital formaldehyde and TVOC meter
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FNIRSI SFD-02 Displays formaldehyde, TVOC, humidity, and time.
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JinTaoRui JLP-01 Detects formaldehyde (HCHO) and TVOC
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UNI-T UT320i Temperature range: -50°C to 150°C
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6 In 1 Air Quality Tester
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| Brand | UNI-T | ELECALL | FNIRSI | JinTaoRui | UNI-T | |
| Model | EM91 | SFD-02 | JLP-01 | UT320i | PM2.5 PM10 HCHO TVOC CO CO2 | |
| Price | €72.10 | €40.23 | €37.51 | €43.13 | €37.51 | €31.54 |
| Seller | Newegg | Newegg | Banggood | Newegg | Banggood | Banggood |
| Update | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | May 9, 2026 |
| Part Number | UT-338A | 000000051537 | 000000053323 | |||
| Product Type | Formaldehyde and temperature monitor | Digital formaldehyde and TVOC meter | Formaldehyde detector | Indoor air quality detector | Wireless temperature clamp | Air Quality Monitor, Air Quality Tester |
| Model Name | EM91 | JLP-01 | UT320i | |||
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