Low Cost Analog Mini-logger
The Em5b is a low cost, limited use five-channel mini-logger. It powers and reads the EC-5, GS1, and 10HS soil moisture sensors, the ECRN-50 and ECRN-100 rain gauges, and the ECT temperature sensor.
Designed for use over the growing season, the Em5b runs for 5-6 months on 4 AAA-size alkaline batteries and has 46 kB of Flash Data memory (138 days at 1 scan/hour).
The Em5b comes with ECH2O Utility software for setting up and downloading data.
Advantages
Limitations
Limited weatherproofing. Needs to be protected from the elements.
Not optimized for frequent data downloads. Port 1 must be unplugged before dowloading data; case closures can be cumbersome.
Only reads analog sensors (listed above).