
If your SPER SCIENTIFIC 840034 Psychrometer-Anemometer is displaying unusual behavior or not powering on, a battery change might be necessary. Here's how to replace the batteries: First, locate the battery cover on the back of the device. Next, carefully open the battery compartment. Remove the old batteries, and then insert four new AAA batteries, making sure to align the positive (+) and negative (-) ends correctly according to the markings inside the compartment. Finally, close the battery cover securely. For more detailed instructions or troubleshooting tips, consult the product's manual. Don't forget to register your SPER SCIENTIFIC product online within 10 days of purchase to activate your warranty.


