Heron barLog Barometric Data Logger spare sensor A water separation filter removes

A water separation filter removes carried-over water first

you can efficiently monitor air quality and detect harmful gases with precision

and routine field monitoring

Current part number — replaces the older YAP193

Field-replaceable to keep long-term monitoring deployments running without returning the unit for service

Heron barLog Barometric Data Logger spare sensor A water separation filter removesThe Heron barLog is a barometric data logger that records atmospheric pressure so it can be used to compensate readings from a non vented (absolute) groundwater data logger, correcting for changes in barometric pressure over the monitoring period. Application Deployed once per job location (recommended within roughly a 5km 3mi radius), suspended above the water table in a well or nearby on site never submerged. Used alongside dipper Log 128+ or dipper