DET3TD – 3 Terminal Ground Resistance Tester Megger

  • Measure earth resistance from 0.01 to 2000Ω
  • Measures earth voltage from 0 to 100V AC
  • Noise rejection system
  • 2-wire and 3-wire testing
  • 3-hour or 700 consecutive test average battery life
  • Easy to use even when wearing protective gloves and clothing
  • IP54 rating for protection against dust and water drips
  • LCD display
  • CAT IV 100V
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C Spike Check Automatic
P Spike Check Automatic
Noise Check Automatic
Noise Rejection 40V Peak to Peak
2-Wire Test Yes
3-Wire Test Yes
Resistance Accuracy 2%±3digits
Resistance Range 0.01 to 2000Ω
Maximum Probe Resistance RP Limit: 100kΩ (50V output voltage)
Rc Limit: 100kΩ (50V output voltage)
Limits reduced to 50kΩ for 25V output voltage
Limits reduced to 5kΩ for 0.01Ω resolution on 18Ω range
Earth Voltage Accuracy 2% ±2V
Earth Voltage Range 0-100V AC
Test Voltage 25V or 50V, user selectable (factory setting 50V)
Test Frequency 128Hz
Test Current 450μA or 4.5mA
Display LCD
Battery Type 8 off AA Cells
Battery Life 3 hours or 700 consecutive tests
 Operating Temperature Range -15 to 55°C
Storage Temperature Range -40 to 70°C
Ingress Protection IP54
Safety IEC 61010-1 CAT IV 100V
EN 61557-1, EN61557-5
EMC IEC61326-1
Dimensions 203 x 148 x 78mm (8 x 5.7 x 3.2 inches)
Weight 1kg


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