The DET4 contractor series of four-terminal digital earth/ground testers offers a comprehensive solution to your ground stake and soil resistivity testing needs. The series includes:

• DET4TD2: Dry-cell battery powered basic 4-terminal earth/ground tester
• DET4TR2: Rechargeable battery powered basic 4-terminal earth/ground tester
• DET4TC2: Dry-cell battery powered 4-terminal tester with selectable test frequencies, greater measurement sensitivity and attached rod technique (ART) and stakeless measurement capability
• DET4TCR2: Rechargeable battery powered 4-terminal earth/ground tester with selectable test frequencies, greater measurement sensitivity, ART, and stakeless measurement capability