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Original New Vaisala HM40 series handheld temperature and humidity instrument HM41 HM45 - AliExpress
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Vaisala HM46 [HM40E3BB] Humidity and Temperature Meter w/ Stainless Steel Probe with Plastic Grid and External Battery Recharger and USB Connection| Jual | Harga |Price | Indomultimeter.com
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Vaisala hm40 handheld thermometer and hygrometer hm41 integrated precision dew point thermometer and hygrometer - AliExpress
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