• 2, 3 and 4 point testing
• Stakeless (clamp-on) testing capability
• ART (Attached Rod Technique) capability 
• Multiple, user selectable test frequencies
• Resistance measurement range to 200 kΩ
• IP54 rated
• Warning indicators prevent test failure
• Simple one button operation
• Included leads, stakes, calibration certificate and rugged carry case

The DET4 contractor series includes --
• DET4TD2: Dry-cell battery powered basic 4-terminal tester
• DET4TR2: Rechargeable battery powered basic 4-terminal tester
• DET4TC2: Dry-cell battery powered 4-terminal tester with selectable test frequencies, greater measurement sensitivity and attached rod technique and stakeless measurement capability
• DET4TCR2: Rechargeable battery powered 4-terminal tester with selectable test frequencies, greater measurement sensitivity and attached rod technique and stakeless measurement capability

The DET4TD, DET4TC and DET4TCR replace the DET5/4R and DET5/4D.

• DET4TD2 1000-347
• DET4TR2 1000-324
• DET4TC2 1000-345
• DET4TC2+Clamps 1000-365
• DET4TC2+Kit 1000-404
• DET4TCR2 1000-346
• DET4TCR2+Clamps 1000-366
• DET4TCR2+Kit 1000-405

Optional Accessories

• Current measuring clamp and connecting lead for ART testing method ICLAMP
• Voltage inducing clamp, calibration check PCB
• (two-clamp measurements) and connecting lead VCLAMP
• Calibration check box 6220-824
• Right angled terminal adaptor set 6220-803
• Auxiliary 12V socket charger (DET4TR2 and DET4TCR2 only) 6280-375
• Standard accessory kit (leads, rods, canvas accessory case for leads & rods) 250579
• Deluxe accessory kit (leads, rods, padded case) 250581
• Standard accessory kit (hammer, spikes, leads) 6310-755
• Professional ground testing kit (2 x 50m, 2 x 30m, 4 auger stakes, carry case) 6320-245
• Soil resistivity kit (leads, rods, padded case) 250586
• “Getting Down to Earth” a Megger guide to earth testing AVTM25-TA
• Replacement hard carry case 5410-429
• Replacement calibration check PCB (two-clamp measurements) 6220-831
• Replacement ground test stakes (x2) for included kit (200mm, 8mm dia) 6220-804
• Replacement ground test leads (x4) for included kit (15m, 10m, 10m, 3m) 6220-806
• Replacement auger stakes (x2) for professional kit 6220-839
• Replacement cable reel (50m, red cable) for professional kit 6220-840
• Replacement cable reel (50m, black cable) for professional kit 6220-841
• Replacement cable reel (30m, green cable) for professional kit 6220-843
• Replacement cable reel (30m, yellow cable) for professional kit 6220-842