Input adapter used to log the number of switch closures per interval. It detects mechanical contact closures in devices such as tipping-bucket rain gauges or reed switches with normally open contacts.
View specifications and user’s manual: here
The adapter has a plug-in modular connector that makes it compatible with the following loggers:
HOBO FlexSmart/Energy Pro Logger H22-001HOBO Weather Station Data Logger USB U30-NRCHOBO Weather Station Data Logger Wi-Fi U30