Tinker & Rasor SR-2 Soil Resistivity Meter The SR-2 is a highly accurate and easy-to-use soil resistivity meter. Features & Benefits: 4.5 Digital Display 0.01 Ω to 3.3 MΩ range Push button operations DL-1 Data logger connection Low battery indicator Internal rechargeable battery (12V) Battery charger included MIL-SPEC Instrument enclosure Soil boxes available (Sold Separately) Data Sheet User Manual