• Custom microprocessor controlled for highest accuracy and reliability.
  • 3 LEDs for checking correct wiring status.
  • 15mA LOOP measurement: LOOP impedance 2000? range measurement is carried out with low test current (15mA). The current will not cause tripping out involved RCD even the one with the lowest nominal differential current (30mA).
  • Direct reading of Prospective Short Circuit Current (PSC).
  • Safe voltage measurement function.
  • Large custom digital display readout on all models.
  • Measure low loop resistances(resolution of 0.01?)
  • Automatic lock-out if test resister overheats.
  • Large custom digital display readout .
  • Visual indication of reversed phase and neutral wiring at socket.
  • Designed to IP54 Rating
  • Complies with IEC 61557
Loop Impedance Ranges 20/200/2000?
Loop Impedance Accuracy ±2%rdg±4dgt
AC Test Current 20? 25A
200? 2.3A
2000? 15mA
AC Test Period 20? (20ms)
200? (40ms)
2000? (280ms)
PSC Ranges 200A (2.3A 40ms)
2000A (25A 20ms)
20kA (25A 20ms)
PSC Ranges Accuracy Consider accuracy of Loop impedance
Voltage 110V-260V ±2%rdg±4dgt
Operating Voltage 230V+10% -15% (195V - 253V) 50Hz
Safety Standard IEC 61010-1 CAT III 300V Pollution Degree 2
IEC 61557-1,-3
IEC 61010-2-031
IP Rating IEC 60529-IP54
Dimensions 167(L) × 185(W) × 89(D)mm
Weight 750g approx.
Accessories Molded plug test leads
7121B (Simplified measurement probe)
Pouch for test leads
9121 (Shoulder Strap)
Instruction Manual

Test Leads

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