Control and measurement advices
Control and measurement advices > TT12
Earth and resistivity tester (4 wires)
Technical sheet
Pulse 32 Darkbg
/ Standards
EN 61010 / IEC 61557
/ Use

In its rugged, leakproof case, the TT12 is easy to use, designed specifically for operation in the field. Wherever it is necessary to install an earth connection or characterise an existing earth point, it helps to establish an accurate, fast and reliable diagnosis with optimum comfort and safety.

/ Technical specifications

• 3-in-1 tester: resistivity, earth, coupling

• measurement range: 0.00 to 2,000W (3 automatic calibres)

• change from 4-wire method to 3-wire method thanks to 1 removable captive bar between E and ES

• 3 fault presence indicators to validate measurement

• measurement frequency: 128Hz

• easy connection of rods through colour-coded terminals

• large backlit digital display with 2,000 counts

• power supply: 8 x 1.5V batteries for an average battery life, constantly controlled, of 4,500 measurements of 15s each

• IP53 leak-proof case with folding cover and carrying handle

Delivered with batteries and user's manual in 5 languages (Earth Kit not supplied)


Heavy-duty on-site case with cover for use on difficult grounds