Tinker & Rasor’s Model SR-2 Soil Resistivity Meter measures the resistance of soil at various depths, for a variety of applications including pipelines, tanks, wells, and geological or archaeological surveys. The SR-2 is designed for use in both 2-Pin and 4-Pin (Wenner) methods of soil resistance measurements. The SR-2 provides easy resistance reads with a digital 4 1/2 digit display and easily-adjusted Ohm range selector.

The Tinker & Rasor SR-2 is ideal for a variety of applications, including:

• New pipeline surveys
• Direct assessment surveys
• U.S.T. surveys
• Anode bed installations
• Geological surveys
• Archaeological surveys

Features of the Tinker & Rasor SR-2 Soil Resistivity Meter:

• Highly accurate and easy to use
• 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
• Common pin spacing multipliers and formulae included on lid
• MIL-SPEC instrument enclosure
• Pelican™ instrument case with weather-sealed lid
• 90-day parts & labor manufacturer’s warranty
• Applicable standards: ASTM G57, G187, AASHTO T 288*
• Suitable for:
• Wenner 4-Pin Method
• 3-Pin "Fall of Potential" Method
• 2-Pin Method
• Geological Studies
• Casing Shorts
• Soilbox

*ASTM G57 – Standard Test Method for Field Measurement of Soil Resistivity Using the Wenner Four-Electrode Method

ASTM G187 – Standard Test Method for Measurement of Soil Resistivity Using the Two-Electrode Soil Box Method

AASHTO T 288 – Standard Method of Test for Determining Minimum Laboratory Soil Resistivity

Model SR-2 Soil Resistivity Meter may only be used in non-hazardous locations. Prevent instrument damage: do not measure across energized circuits.

SOIL BOXES

SB-1 – strong plastic resin suitable for lab or field use. Clear for easy inspection and cleaning. 4 cm H x 6 cm W x 23.75 cm L (1.575 x 2.362 x 9.350 inches) (ID)

SB-2 – Strong plastic resin suitable for field or lab use. Clear for easy visual inspection and cleaning. 38 mm H x 101.5 mm W x 152.3 mm L (1.49 x 3.99 x 5.99 inches) (ID)