



📈 Stay ahead of the curve with precision data logging that means business.
The Extech RHT20 is a professional-grade humidity and temperature datalogger featuring up to 16,000 readings capacity, highly accurate sensors (±1.8°F/±3% RH), customizable sampling rates from 1 second to 24 hours, USB data transfer, and a secure mounting system—all powered by a long-lasting 3.6V lithium battery for reliable, continuous environmental monitoring.














| Brand | Extech |
| Item Weight | 0.1 Kilograms |
| Mounting Type | Tabletop |
| Voltage | 3.6 Volts |
| Manufacturer | Extech Instruments |
| UPC | 785533796544 793950440209 |
| Global Trade Identification Number | 00793950440209 |
| Model number | RHT20 |
| Number of Memory Sticks | 1 |
| Item Weight | 100 g |
| Product Dimensions | 4.07 x 3.05 x 15.75 cm; 100 g |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Item model number | RHT20 |
| Item Height | 15.75 Centimeters |
| Item Width | 3.05 Centimeters |
| Are batteries included? | Yes |
| Lithium battery energy content | 3.6 Watt Hours |
| Lithium Battery Packaging | Batteries contained in equipment |
| Lithium battery weight | 46 g |
| Number of lithium metal cells | 1 |
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