Discontinued
Extech RH522
Humidity and Temperature Probe For Extech RH520 Paperless Chart Recorders
The Extech RH522 is a replacement Humidity Temperature Probe for the RH520 Paperless Chart Recorders. It measures -28°C to 60°C (-20°F to 140°F) and 10% to 95% RH. No calibration required. For use with models RH520A, RH520A-220, and RH520A-240.
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