HMA-670 Soil Resistivity Reel w/4 Lead Wires is a single, 4-wire system that aligns with the Wenner 4-Pin Method and maximum pin spacing of 20ft. The reel wiring system includes four 4ft long color-coded banana plug test leads to connect reel wires to an Analog or Digital Soil Resistance Meter. The lightweight reel is made of industrial grade thermoplastic and attached to a zinc-coated frame. A drum brake prevents over-reeling or unreeling. Wires, test leads and banana jack terminals are color-coded in black, red, orange and yellow. Wires are #16 AWG with PVC insulation and one each of the following are also included with the reel: 65ft long Black, 45ft long Red, 25ft long Orange and 5ft long Yellow.
- Drum brake helps avoid unreeling or over-reeling
- Color coded leads for easier test set-up
- Soil Resistivity Reel w/4 Lead Wires
- Four color-coded #16 AWG Wires in varying lengths