HOBOnet Soil Moisture EC-5 Sensor, integrates the field-proven ECH2O* EC5 Sensor and provides readings directly in volumetric water content, 900 MHz wireless mesh self-healing technology, 450 to 600 meter (1,500 to 2,000ft) wireless range and up to five hops
HOBO* Water Level Data Logger, stainless steel, No-vent-tube design for easy and reliable deployment, Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries, 30-Foot Depth
HOBO* Durable ceramic Water Level sensor, with stainless steel tip for use Water Level Data Logger, 3-point NIST-traceable calibration certificate, Size: 100 feet (30m)